chimaera logic

Oh well
Configure the mempool backend
2025-02-01 12:20:02 +02:00 · 2025-02-01 12:09:04 +02:00 · 2025-02-01 12:06:58 +02:00 · 2025-02-01 12:04:55 +02:00 · 2025-02-01 01:52:19 +09:00 · 2025-01-29 12:19:18 +09:00
450 changed files with 14477 additions and 4790 deletions
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -251,17 +251,7 @@ jobs:
    strategy:
      fail-fast: false
      matrix:
-        module: ["mempool", "liquid"]
-        include:
-          - module: "mempool"
-            spec: |
-              cypress/e2e/mainnet/*.spec.ts
-              cypress/e2e/signet/*.spec.ts
-              cypress/e2e/testnet4/*.spec.ts
-          - module: "liquid"
-            spec: |
-              cypress/e2e/liquid/liquid.spec.ts
-              cypress/e2e/liquidtestnet/liquidtestnet.spec.ts
+        module: ["mempool", "liquid", "testnet4"]

    name: E2E tests for ${{ matrix.module }}
    steps:
@@ -310,8 +300,10 @@ jobs:

      - name: Unzip assets before building (src/resources)
        run: unzip -o promo-video-assets.zip -d ${{ matrix.module }}/frontend/src/resources/promo-video
-      
+
+      # mempool
      - name: Chrome browser tests (${{ matrix.module }})
+        if: ${{ matrix.module == 'mempool' }}
        uses: cypress-io/github-action@v5
        with:
          tag: ${{ github.event_name }}
@@ -322,7 +314,9 @@ jobs:
          wait-on-timeout: 120
          record: true
          parallel: true
-          spec: ${{ matrix.spec }}
+          spec: |
+            cypress/e2e/mainnet/*.spec.ts
+            cypress/e2e/signet/*.spec.ts
          group: Tests on Chrome (${{ matrix.module }})
          browser: "chrome"
          ci-build-id: "${{ github.sha }}-${{ github.workflow }}-${{ github.event_name }}"
@@ -332,6 +326,56 @@ jobs:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          CYPRESS_PROJECT_ID: ${{ secrets.CYPRESS_PROJECT_ID }}

+      # liquid
+      - name: Chrome browser tests (${{ matrix.module }})
+        if: ${{ matrix.module == 'liquid' }}
+        uses: cypress-io/github-action@v5
+        with:
+          tag: ${{ github.event_name }}
+          working-directory: ${{ matrix.module }}/frontend
+          build: npm run config:defaults:${{ matrix.module }}
+          start: npm run start:local-staging
+          wait-on: "http://localhost:4200"
+          wait-on-timeout: 120
+          record: true
+          parallel: true
+          spec: |
+            cypress/e2e/liquid/liquid.spec.ts
+            cypress/e2e/liquidtestnet/liquidtestnet.spec.ts
+          group: Tests on Chrome (${{ matrix.module }})
+          browser: "chrome"
+          ci-build-id: "${{ github.sha }}-${{ github.workflow }}-${{ github.event_name }}"
+        env:
+          COMMIT_INFO_MESSAGE: ${{ github.event.pull_request.title }}
+          CYPRESS_RECORD_KEY: ${{ secrets.CYPRESS_RECORD_KEY }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          CYPRESS_PROJECT_ID: ${{ secrets.CYPRESS_PROJECT_ID }}
+
+      # testnet
+      - name: Chrome browser tests (${{ matrix.module }})
+        if: ${{ matrix.module == 'testnet4' }}
+        uses: cypress-io/github-action@v5
+        with:
+          tag: ${{ github.event_name }}
+          working-directory: ${{ matrix.module }}/frontend
+          build: npm run config:defaults:mempool
+          start: npm run start:local-staging
+          wait-on: "http://localhost:4200"
+          wait-on-timeout: 120
+          record: true
+          parallel: true
+          spec: |
+            cypress/e2e/testnet4/*.spec.ts
+          group: Tests on Chrome (${{ matrix.module }})
+          browser: "chrome"
+          ci-build-id: "${{ github.sha }}-${{ github.workflow }}-${{ github.event_name }}"
+        env:
+          CYPRESS_REROUTE_TESTNET: true
+          COMMIT_INFO_MESSAGE: ${{ github.event.pull_request.title }}
+          CYPRESS_RECORD_KEY: ${{ secrets.CYPRESS_RECORD_KEY }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          CYPRESS_PROJECT_ID: ${{ secrets.CYPRESS_PROJECT_ID }}
+
  validate_docker_json:
    if: "!contains(github.event.pull_request.labels.*.name, 'ops') && !contains(github.head_ref, 'ops/')"
    runs-on: "ubuntu-latest"
@@ -359,4 +403,4 @@ jobs:
      - name: Validate JSON syntax
        run: |
          cat mempool-config.json | jq
-        working-directory: docker/docker/backend
+        working-directory: docker/docker/backend
--- a/backend/jest.config.ts
+++ b/backend/jest.config.ts
@@ -7,7 +7,7 @@ const config: Config.InitialOptions = {
  automock: false,
  collectCoverage: true,
  collectCoverageFrom: ["./src/**/**.ts"],
-  coverageProvider: "babel",
+  coverageProvider: "v8",
  coverageThreshold: {
    global: {
      lines: 1
--- a/backend/mempool-config.sample.json
+++ b/backend/mempool-config.sample.json
@@ -27,8 +27,9 @@
    "AUTOMATIC_POOLS_UPDATE": false,
    "POOLS_JSON_URL": "https://raw.githubusercontent.com/mempool/mining-pools/master/pools-v2.json",
    "POOLS_JSON_TREE_URL": "https://api.github.com/repos/mempool/mining-pools/git/trees/master",
+    "POOLS_UPDATE_DELAY": 604800,
    "AUDIT": false,
-    "RUST_GBT": false,
+    "RUST_GBT": true,
    "LIMIT_GBT": false,
    "CPFP_INDEXING": false,
    "DISK_CACHE_BLOCK_INTERVAL": 6,
@@ -45,7 +46,8 @@
    "PASSWORD": "mempool",
    "TIMEOUT": 60000,
    "COOKIE": false,
-    "COOKIE_PATH": "/path/to/bitcoin/.cookie"
+    "COOKIE_PATH": "/path/to/bitcoin/.cookie",
+    "DEBUG_LOG_PATH": "/path/to/bitcoin/debug.log"
  },
  "ELECTRUM": {
    "HOST": "127.0.0.1",
@@ -153,6 +155,10 @@
    "API": "https://mempool.space/api/v1/services",
    "ACCELERATIONS": false
  },
+  "STRATUM": {
+    "ENABLED": false,
+    "API": "http://localhost:1234"
+  },
  "FIAT_PRICE": {
    "ENABLED": true,
    "PAID": false,
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -10,15 +10,14 @@
      "hasInstallScript": true,
      "license": "GNU Affero General Public License v3.0",
      "dependencies": {
-        "@babel/core": "^7.25.2",
        "@mempool/electrum-client": "1.1.9",
        "@types/node": "^18.15.3",
        "axios": "1.7.2",
        "bitcoinjs-lib": "~6.1.3",
        "crypto-js": "~4.2.0",
-        "express": "~4.19.2",
+        "express": "~4.21.1",
        "maxmind": "~4.3.11",
-        "mysql2": "~3.11.0",
+        "mysql2": "~3.12.0",
        "redis": "^4.7.0",
        "rust-gbt": "file:./rust-gbt",
        "socks-proxy-agent": "~7.0.0",
@@ -26,8 +25,6 @@
        "ws": "~8.18.0"
      },
      "devDependencies": {
-        "@babel/code-frame": "^7.18.6",
-        "@babel/core": "^7.25.2",
        "@types/compression": "^1.7.2",
        "@types/crypto-js": "^4.1.1",
        "@types/express": "^4.17.17",
@@ -2490,9 +2487,9 @@
      }
    },
    "node_modules/body-parser": {
-      "version": "1.20.2",
-      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.20.2.tgz",
-      "integrity": "sha512-ml9pReCu3M61kGlqoTm2umSXTlRTuGTx0bfYj+uIUKKYycG5NtSbeetV3faSU6R7ajOPw0g/J1PvK4qNy7s5bA==",
+      "version": "1.20.3",
+      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.20.3.tgz",
+      "integrity": "sha512-7rAxByjUMqQ3/bHJy7D6OGXvx/MMc4IqBn/X0fcM1QUcAItpZrBEYhWGem+tzXH90c+G01ypMcYJBO9Y30203g==",
      "dependencies": {
        "bytes": "3.1.2",
        "content-type": "~1.0.5",
@@ -2502,7 +2499,7 @@
        "http-errors": "2.0.0",
        "iconv-lite": "0.4.24",
        "on-finished": "2.4.1",
-        "qs": "6.11.0",
+        "qs": "6.13.0",
        "raw-body": "2.5.2",
        "type-is": "~1.6.18",
        "unpipe": "1.0.0"
@@ -2827,9 +2824,9 @@
      "dev": true
    },
    "node_modules/cookie": {
-      "version": "0.6.0",
-      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.6.0.tgz",
-      "integrity": "sha512-U71cyTamuh1CRNCfpGY6to28lxvNwPG4Guz/EVjgf3Jmzv0vlDp1atT9eS5dDjMYHucpHbWns6Lwf3BKz6svdw==",
+      "version": "0.7.1",
+      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.7.1.tgz",
+      "integrity": "sha512-6DnInpx7SJ2AK3+CTUE/ZM0vWTUboZCegxhC2xiIydHR9jNuTAASBrfEpHhiGOZw/nX51bHt6YQl8jsGo4y/0w==",
      "engines": {
        "node": ">= 0.6"
      }
@@ -3031,9 +3028,9 @@
      "dev": true
    },
    "node_modules/encodeurl": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-1.0.2.tgz",
-      "integrity": "sha512-TPJXq8JqFaVYm2CWmPvnP2Iyo4ZSM7/QKcSmuMLDObfpH5fi7RUGmd/rTDf+rut/saiDiQEeVTNgAmJEdAOx0w==",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-2.0.0.tgz",
+      "integrity": "sha512-Q0n9HRi4m6JuGIV1eFlmvJB7ZEVxu93IrMyiMsGC0lrMJMWzRgx6WGquyfQgZVb31vhGgXnfmPNNXmxnOkRBrg==",
      "engines": {
        "node": ">= 0.8"
      }
@@ -3461,36 +3458,36 @@
      }
    },
    "node_modules/express": {
-      "version": "4.19.2",
-      "resolved": "https://registry.npmjs.org/express/-/express-4.19.2.tgz",
-      "integrity": "sha512-5T6nhjsT+EOMzuck8JjBHARTHfMht0POzlA60WV2pMD3gyXw2LZnZ+ueGdNxG+0calOJcWKbpFcuzLZ91YWq9Q==",
+      "version": "4.21.1",
+      "resolved": "https://registry.npmjs.org/express/-/express-4.21.1.tgz",
+      "integrity": "sha512-YSFlK1Ee0/GC8QaO91tHcDxJiE/X4FbpAyQWkxAvG6AXCuR65YzK8ua6D9hvi/TzUfZMpc+BwuM1IPw8fmQBiQ==",
      "dependencies": {
        "accepts": "~1.3.8",
        "array-flatten": "1.1.1",
-        "body-parser": "1.20.2",
+        "body-parser": "1.20.3",
        "content-disposition": "0.5.4",
        "content-type": "~1.0.4",
-        "cookie": "0.6.0",
+        "cookie": "0.7.1",
        "cookie-signature": "1.0.6",
        "debug": "2.6.9",
        "depd": "2.0.0",
-        "encodeurl": "~1.0.2",
+        "encodeurl": "~2.0.0",
        "escape-html": "~1.0.3",
        "etag": "~1.8.1",
-        "finalhandler": "1.2.0",
+        "finalhandler": "1.3.1",
        "fresh": "0.5.2",
        "http-errors": "2.0.0",
-        "merge-descriptors": "1.0.1",
+        "merge-descriptors": "1.0.3",
        "methods": "~1.1.2",
        "on-finished": "2.4.1",
        "parseurl": "~1.3.3",
-        "path-to-regexp": "0.1.7",
+        "path-to-regexp": "0.1.10",
        "proxy-addr": "~2.0.7",
-        "qs": "6.11.0",
+        "qs": "6.13.0",
        "range-parser": "~1.2.1",
        "safe-buffer": "5.2.1",
-        "send": "0.18.0",
-        "serve-static": "1.15.0",
+        "send": "0.19.0",
+        "serve-static": "1.16.2",
        "setprototypeof": "1.2.0",
        "statuses": "2.0.1",
        "type-is": "~1.6.18",
@@ -3603,12 +3600,12 @@
      }
    },
    "node_modules/finalhandler": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.2.0.tgz",
-      "integrity": "sha512-5uXcUVftlQMFnWC9qu/svkWv3GTd2PfUhK/3PLkYNAe7FbqJMt3515HaxE6eRL74GdsriiwujiawdaB1BpEISg==",
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.3.1.tgz",
+      "integrity": "sha512-6BN9trH7bp3qvnrRyzsBz+g3lZxTNZTbVO2EV1CS0WIcDbawYVdYvGflME/9QP0h0pYlCDBCTjYa9nZzMDpyxQ==",
      "dependencies": {
        "debug": "2.6.9",
-        "encodeurl": "~1.0.2",
+        "encodeurl": "~2.0.0",
        "escape-html": "~1.0.3",
        "on-finished": "2.4.1",
        "parseurl": "~1.3.3",
@@ -6000,6 +5997,21 @@
        "yallist": "^3.0.2"
      }
    },
+    "node_modules/lru.min": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/lru.min/-/lru.min-1.1.1.tgz",
+      "integrity": "sha512-FbAj6lXil6t8z4z3j0E5mfRlPzxkySotzUHwRXjlpRh10vc6AI6WN62ehZj82VG7M20rqogJ0GLwar2Xa05a8Q==",
+      "license": "MIT",
+      "engines": {
+        "bun": ">=1.0.0",
+        "deno": ">=1.30.0",
+        "node": ">=8.0.0"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/wellwelwel"
+      }
+    },
    "node_modules/make-dir": {
      "version": "3.1.0",
      "resolved": "https://registry.npmjs.org/make-dir/-/make-dir-3.1.0.tgz",
@@ -6052,9 +6064,12 @@
      }
    },
    "node_modules/merge-descriptors": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/merge-descriptors/-/merge-descriptors-1.0.1.tgz",
-      "integrity": "sha512-cCi6g3/Zr1iqQi6ySbseM1Xvooa98N0w31jzUYrXPX2xqObmFGHJ0tQ5u74H3mVh7wLouTseZyYIq39g8cNp1w=="
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/merge-descriptors/-/merge-descriptors-1.0.3.tgz",
+      "integrity": "sha512-gaNvAS7TZ897/rVaZ0nMtAyxNyi/pdbjbAwUpFQpN70GqnVfOiXpeUUMKRBmzXaSQ8DdTX4/0ms62r2K+hE6mQ==",
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
    },
    "node_modules/merge-stream": {
      "version": "2.0.0",
@@ -6158,16 +6173,17 @@
      "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
    },
    "node_modules/mysql2": {
-      "version": "3.11.0",
-      "resolved": "https://registry.npmjs.org/mysql2/-/mysql2-3.11.0.tgz",
-      "integrity": "sha512-J9phbsXGvTOcRVPR95YedzVSxJecpW5A5+cQ57rhHIFXteTP10HCs+VBjS7DHIKfEaI1zQ5tlVrquCd64A6YvA==",
+      "version": "3.12.0",
+      "resolved": "https://registry.npmjs.org/mysql2/-/mysql2-3.12.0.tgz",
+      "integrity": "sha512-C8fWhVysZoH63tJbX8d10IAoYCyXy4fdRFz2Ihrt9jtPILYynFEKUUzpp1U7qxzDc3tMbotvaBH+sl6bFnGZiw==",
+      "license": "MIT",
      "dependencies": {
        "aws-ssl-profiles": "^1.1.1",
        "denque": "^2.1.0",
        "generate-function": "^2.3.1",
        "iconv-lite": "^0.6.3",
        "long": "^5.2.1",
-        "lru-cache": "^8.0.0",
+        "lru.min": "^1.0.0",
        "named-placeholders": "^1.1.3",
        "seq-queue": "^0.0.5",
        "sqlstring": "^2.3.2"
@@ -6187,14 +6203,6 @@
        "node": ">=0.10.0"
      }
    },
-    "node_modules/mysql2/node_modules/lru-cache": {
-      "version": "8.0.5",
-      "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-8.0.5.tgz",
-      "integrity": "sha512-MhWWlVnuab1RG5/zMRRcVGXZLCXrZTgfwMikgzCegsPnG62yDQo5JnqKkrK4jO5iKqDAZGItAqN5CtKBCBWRUA==",
-      "engines": {
-        "node": ">=16.14"
-      }
-    },
    "node_modules/named-placeholders": {
      "version": "1.1.3",
      "resolved": "https://registry.npmjs.org/named-placeholders/-/named-placeholders-1.1.3.tgz",
@@ -6268,9 +6276,12 @@
      }
    },
    "node_modules/object-inspect": {
-      "version": "1.13.1",
-      "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.13.1.tgz",
-      "integrity": "sha512-5qoj1RUiKOMsCCNLV1CBiPYE10sziTsnmNxkAI/rZhiD63CF7IqdFGC/XzjWjpSgLf0LxXX3bDFIh0E18f6UhQ==",
+      "version": "1.13.2",
+      "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.13.2.tgz",
+      "integrity": "sha512-IRZSRuzJiynemAXPYtPe5BoI/RESNYR7TYm50MC5Mqbd3Jmw5y790sErYw3V6SryFJD64b74qQQs9wn5Bg/k3g==",
+      "engines": {
+        "node": ">= 0.4"
+      },
      "funding": {
        "url": "https://github.com/sponsors/ljharb"
      }
@@ -6438,9 +6449,9 @@
      "dev": true
    },
    "node_modules/path-to-regexp": {
-      "version": "0.1.7",
-      "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-0.1.7.tgz",
-      "integrity": "sha512-5DFkuoqlv1uYQKxy8omFBeJPQcdoE07Kv2sferDCrAq1ohOU+MSDswDIbnx3YAM60qIOnYa53wBhXW0EbMonrQ=="
+      "version": "0.1.10",
+      "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-0.1.10.tgz",
+      "integrity": "sha512-7lf7qcQidTku0Gu3YDPc8DJ1q7OOucfa/BSsIwjuh56VU7katFvuM8hULfkwB3Fns/rsVF7PwPKVw1sl5KQS9w=="
    },
    "node_modules/path-type": {
      "version": "4.0.0",
@@ -6648,11 +6659,11 @@
      ]
    },
    "node_modules/qs": {
-      "version": "6.11.0",
-      "resolved": "https://registry.npmjs.org/qs/-/qs-6.11.0.tgz",
-      "integrity": "sha512-MvjoMCJwEarSbUYk5O+nmoSzSutSsTwF85zcHPQ9OrlFoZOYIjaqBAJIqIXjptyD5vThxGq52Xu/MaJzRkIk4Q==",
+      "version": "6.13.0",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.13.0.tgz",
+      "integrity": "sha512-+38qI9SOr8tfZ4QmJNplMUxqjbe7LKvvZgWdExBOmd+egZTtjLB67Gu0HRX3u/XOq7UU2Nx6nsjvS16Z9uwfpg==",
      "dependencies": {
-        "side-channel": "^1.0.4"
+        "side-channel": "^1.0.6"
      },
      "engines": {
        "node": ">=0.6"
@@ -6873,9 +6884,9 @@
      }
    },
    "node_modules/send": {
-      "version": "0.18.0",
-      "resolved": "https://registry.npmjs.org/send/-/send-0.18.0.tgz",
-      "integrity": "sha512-qqWzuOjSFOuqPjFe4NOsMLafToQQwBSOEpS+FwEt3A2V3vKubTquT3vmLTQpFgMXp8AlFWFuP1qKaJZOtPpVXg==",
+      "version": "0.19.0",
+      "resolved": "https://registry.npmjs.org/send/-/send-0.19.0.tgz",
+      "integrity": "sha512-dW41u5VfLXu8SJh5bwRmyYUbAoSB3c9uQh6L8h/KtsFREPWpbX1lrljJo186Jc4nmci/sGUZ9a0a0J2zgfq2hw==",
      "dependencies": {
        "debug": "2.6.9",
        "depd": "2.0.0",
@@ -6908,6 +6919,14 @@
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      "integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A=="
    },
+    "node_modules/send/node_modules/encodeurl": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-1.0.2.tgz",
+      "integrity": "sha512-TPJXq8JqFaVYm2CWmPvnP2Iyo4ZSM7/QKcSmuMLDObfpH5fi7RUGmd/rTDf+rut/saiDiQEeVTNgAmJEdAOx0w==",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
    "node_modules/send/node_modules/ms": {
      "version": "2.1.3",
      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
@@ -6919,14 +6938,14 @@
      "integrity": "sha512-hr3Wtp/GZIc/6DAGPDcV4/9WoZhjrkXsi5B/07QgX8tsdc6ilr7BFM6PM6rbdAX1kFSDYeZGLipIZZKyQP0O5Q=="
    },
    "node_modules/serve-static": {
-      "version": "1.15.0",
-      "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.15.0.tgz",
-      "integrity": "sha512-XGuRDNjXUijsUL0vl6nSD7cwURuzEgglbOaFuZM9g3kwDXOWVTck0jLzjPzGD+TazWbboZYu52/9/XPdUgne9g==",
+      "version": "1.16.2",
+      "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.16.2.tgz",
+      "integrity": "sha512-VqpjJZKadQB/PEbEwvFdO43Ax5dFBZ2UECszz8bQ7pi7wt//PWe1P6MN7eCnjsatYtBT6EuiClbjSWP2WrIoTw==",
      "dependencies": {
-        "encodeurl": "~1.0.2",
+        "encodeurl": "~2.0.0",
        "escape-html": "~1.0.3",
        "parseurl": "~1.3.3",
-        "send": "0.18.0"
+        "send": "0.19.0"
      },
      "engines": {
        "node": ">= 0.8.0"
@@ -9605,9 +9624,9 @@
      }
    },
    "body-parser": {
-      "version": "1.20.2",
-      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.20.2.tgz",
-      "integrity": "sha512-ml9pReCu3M61kGlqoTm2umSXTlRTuGTx0bfYj+uIUKKYycG5NtSbeetV3faSU6R7ajOPw0g/J1PvK4qNy7s5bA==",
+      "version": "1.20.3",
+      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.20.3.tgz",
+      "integrity": "sha512-7rAxByjUMqQ3/bHJy7D6OGXvx/MMc4IqBn/X0fcM1QUcAItpZrBEYhWGem+tzXH90c+G01ypMcYJBO9Y30203g==",
      "requires": {
        "bytes": "3.1.2",
        "content-type": "~1.0.5",
@@ -9617,7 +9636,7 @@
        "http-errors": "2.0.0",
        "iconv-lite": "0.4.24",
        "on-finished": "2.4.1",
-        "qs": "6.11.0",
+        "qs": "6.13.0",
        "raw-body": "2.5.2",
        "type-is": "~1.6.18",
        "unpipe": "1.0.0"
@@ -9851,9 +9870,9 @@
      "dev": true
    },
    "cookie": {
-      "version": "0.6.0",
-      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.6.0.tgz",
-      "integrity": "sha512-U71cyTamuh1CRNCfpGY6to28lxvNwPG4Guz/EVjgf3Jmzv0vlDp1atT9eS5dDjMYHucpHbWns6Lwf3BKz6svdw=="
+      "version": "0.7.1",
+      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.7.1.tgz",
+      "integrity": "sha512-6DnInpx7SJ2AK3+CTUE/ZM0vWTUboZCegxhC2xiIydHR9jNuTAASBrfEpHhiGOZw/nX51bHt6YQl8jsGo4y/0w=="
    },
    "cookie-signature": {
      "version": "1.0.6",
@@ -9998,9 +10017,9 @@
      "dev": true
    },
    "encodeurl": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-1.0.2.tgz",
-      "integrity": "sha512-TPJXq8JqFaVYm2CWmPvnP2Iyo4ZSM7/QKcSmuMLDObfpH5fi7RUGmd/rTDf+rut/saiDiQEeVTNgAmJEdAOx0w=="
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-2.0.0.tgz",
+      "integrity": "sha512-Q0n9HRi4m6JuGIV1eFlmvJB7ZEVxu93IrMyiMsGC0lrMJMWzRgx6WGquyfQgZVb31vhGgXnfmPNNXmxnOkRBrg=="
    },
    "error-ex": {
      "version": "1.3.2",
@@ -10305,36 +10324,36 @@
      }
    },
    "express": {
-      "version": "4.19.2",
-      "resolved": "https://registry.npmjs.org/express/-/express-4.19.2.tgz",
-      "integrity": "sha512-5T6nhjsT+EOMzuck8JjBHARTHfMht0POzlA60WV2pMD3gyXw2LZnZ+ueGdNxG+0calOJcWKbpFcuzLZ91YWq9Q==",
+      "version": "4.21.1",
+      "resolved": "https://registry.npmjs.org/express/-/express-4.21.1.tgz",
+      "integrity": "sha512-YSFlK1Ee0/GC8QaO91tHcDxJiE/X4FbpAyQWkxAvG6AXCuR65YzK8ua6D9hvi/TzUfZMpc+BwuM1IPw8fmQBiQ==",
      "requires": {
        "accepts": "~1.3.8",
        "array-flatten": "1.1.1",
-        "body-parser": "1.20.2",
+        "body-parser": "1.20.3",
        "content-disposition": "0.5.4",
        "content-type": "~1.0.4",
-        "cookie": "0.6.0",
+        "cookie": "0.7.1",
        "cookie-signature": "1.0.6",
        "debug": "2.6.9",
        "depd": "2.0.0",
-        "encodeurl": "~1.0.2",
+        "encodeurl": "~2.0.0",
        "escape-html": "~1.0.3",
        "etag": "~1.8.1",
-        "finalhandler": "1.2.0",
+        "finalhandler": "1.3.1",
        "fresh": "0.5.2",
        "http-errors": "2.0.0",
-        "merge-descriptors": "1.0.1",
+        "merge-descriptors": "1.0.3",
        "methods": "~1.1.2",
        "on-finished": "2.4.1",
        "parseurl": "~1.3.3",
-        "path-to-regexp": "0.1.7",
+        "path-to-regexp": "0.1.10",
        "proxy-addr": "~2.0.7",
-        "qs": "6.11.0",
+        "qs": "6.13.0",
        "range-parser": "~1.2.1",
        "safe-buffer": "5.2.1",
-        "send": "0.18.0",
-        "serve-static": "1.15.0",
+        "send": "0.19.0",
+        "serve-static": "1.16.2",
        "setprototypeof": "1.2.0",
        "statuses": "2.0.1",
        "type-is": "~1.6.18",
@@ -10436,12 +10455,12 @@
      }
    },
    "finalhandler": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.2.0.tgz",
-      "integrity": "sha512-5uXcUVftlQMFnWC9qu/svkWv3GTd2PfUhK/3PLkYNAe7FbqJMt3515HaxE6eRL74GdsriiwujiawdaB1BpEISg==",
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.3.1.tgz",
+      "integrity": "sha512-6BN9trH7bp3qvnrRyzsBz+g3lZxTNZTbVO2EV1CS0WIcDbawYVdYvGflME/9QP0h0pYlCDBCTjYa9nZzMDpyxQ==",
      "requires": {
        "debug": "2.6.9",
-        "encodeurl": "~1.0.2",
+        "encodeurl": "~2.0.0",
        "escape-html": "~1.0.3",
        "on-finished": "2.4.1",
        "parseurl": "~1.3.3",
@@ -12199,6 +12218,11 @@
        "yallist": "^3.0.2"
      }
    },
+    "lru.min": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/lru.min/-/lru.min-1.1.1.tgz",
+      "integrity": "sha512-FbAj6lXil6t8z4z3j0E5mfRlPzxkySotzUHwRXjlpRh10vc6AI6WN62ehZj82VG7M20rqogJ0GLwar2Xa05a8Q=="
+    },
    "make-dir": {
      "version": "3.1.0",
      "resolved": "https://registry.npmjs.org/make-dir/-/make-dir-3.1.0.tgz",
@@ -12238,9 +12262,9 @@
      "integrity": "sha512-dq+qelQ9akHpcOl/gUVRTxVIOkAJ1wR3QAvb4RsVjS8oVoFjDGTc679wJYmUmknUF5HwMLOgb5O+a3KxfWapPQ=="
    },
    "merge-descriptors": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/merge-descriptors/-/merge-descriptors-1.0.1.tgz",
-      "integrity": "sha512-cCi6g3/Zr1iqQi6ySbseM1Xvooa98N0w31jzUYrXPX2xqObmFGHJ0tQ5u74H3mVh7wLouTseZyYIq39g8cNp1w=="
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/merge-descriptors/-/merge-descriptors-1.0.3.tgz",
+      "integrity": "sha512-gaNvAS7TZ897/rVaZ0nMtAyxNyi/pdbjbAwUpFQpN70GqnVfOiXpeUUMKRBmzXaSQ8DdTX4/0ms62r2K+hE6mQ=="
    },
    "merge-stream": {
      "version": "2.0.0",
@@ -12313,16 +12337,16 @@
      "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
    },
    "mysql2": {
-      "version": "3.11.0",
-      "resolved": "https://registry.npmjs.org/mysql2/-/mysql2-3.11.0.tgz",
-      "integrity": "sha512-J9phbsXGvTOcRVPR95YedzVSxJecpW5A5+cQ57rhHIFXteTP10HCs+VBjS7DHIKfEaI1zQ5tlVrquCd64A6YvA==",
+      "version": "3.12.0",
+      "resolved": "https://registry.npmjs.org/mysql2/-/mysql2-3.12.0.tgz",
+      "integrity": "sha512-C8fWhVysZoH63tJbX8d10IAoYCyXy4fdRFz2Ihrt9jtPILYynFEKUUzpp1U7qxzDc3tMbotvaBH+sl6bFnGZiw==",
      "requires": {
        "aws-ssl-profiles": "^1.1.1",
        "denque": "^2.1.0",
        "generate-function": "^2.3.1",
        "iconv-lite": "^0.6.3",
        "long": "^5.2.1",
-        "lru-cache": "^8.0.0",
+        "lru.min": "^1.0.0",
        "named-placeholders": "^1.1.3",
        "seq-queue": "^0.0.5",
        "sqlstring": "^2.3.2"
@@ -12335,11 +12359,6 @@
          "requires": {
            "safer-buffer": ">= 2.1.2 < 3.0.0"
          }
-        },
-        "lru-cache": {
-          "version": "8.0.5",
-          "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-8.0.5.tgz",
-          "integrity": "sha512-MhWWlVnuab1RG5/zMRRcVGXZLCXrZTgfwMikgzCegsPnG62yDQo5JnqKkrK4jO5iKqDAZGItAqN5CtKBCBWRUA=="
        }
      }
    },
@@ -12403,9 +12422,9 @@
      }
    },
    "object-inspect": {
-      "version": "1.13.1",
-      "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.13.1.tgz",
-      "integrity": "sha512-5qoj1RUiKOMsCCNLV1CBiPYE10sziTsnmNxkAI/rZhiD63CF7IqdFGC/XzjWjpSgLf0LxXX3bDFIh0E18f6UhQ=="
+      "version": "1.13.2",
+      "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.13.2.tgz",
+      "integrity": "sha512-IRZSRuzJiynemAXPYtPe5BoI/RESNYR7TYm50MC5Mqbd3Jmw5y790sErYw3V6SryFJD64b74qQQs9wn5Bg/k3g=="
    },
    "on-finished": {
      "version": "2.4.1",
@@ -12522,9 +12541,9 @@
      "dev": true
    },
    "path-to-regexp": {
-      "version": "0.1.7",
-      "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-0.1.7.tgz",
-      "integrity": "sha512-5DFkuoqlv1uYQKxy8omFBeJPQcdoE07Kv2sferDCrAq1ohOU+MSDswDIbnx3YAM60qIOnYa53wBhXW0EbMonrQ=="
+      "version": "0.1.10",
+      "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-0.1.10.tgz",
+      "integrity": "sha512-7lf7qcQidTku0Gu3YDPc8DJ1q7OOucfa/BSsIwjuh56VU7katFvuM8hULfkwB3Fns/rsVF7PwPKVw1sl5KQS9w=="
    },
    "path-type": {
      "version": "4.0.0",
@@ -12666,11 +12685,11 @@
      "dev": true
    },
    "qs": {
-      "version": "6.11.0",
-      "resolved": "https://registry.npmjs.org/qs/-/qs-6.11.0.tgz",
-      "integrity": "sha512-MvjoMCJwEarSbUYk5O+nmoSzSutSsTwF85zcHPQ9OrlFoZOYIjaqBAJIqIXjptyD5vThxGq52Xu/MaJzRkIk4Q==",
+      "version": "6.13.0",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.13.0.tgz",
+      "integrity": "sha512-+38qI9SOr8tfZ4QmJNplMUxqjbe7LKvvZgWdExBOmd+egZTtjLB67Gu0HRX3u/XOq7UU2Nx6nsjvS16Z9uwfpg==",
      "requires": {
-        "side-channel": "^1.0.4"
+        "side-channel": "^1.0.6"
      }
    },
    "queue-microtask": {
@@ -12804,9 +12823,9 @@
      "dev": true
    },
    "send": {
-      "version": "0.18.0",
-      "resolved": "https://registry.npmjs.org/send/-/send-0.18.0.tgz",
-      "integrity": "sha512-qqWzuOjSFOuqPjFe4NOsMLafToQQwBSOEpS+FwEt3A2V3vKubTquT3vmLTQpFgMXp8AlFWFuP1qKaJZOtPpVXg==",
+      "version": "0.19.0",
+      "resolved": "https://registry.npmjs.org/send/-/send-0.19.0.tgz",
+      "integrity": "sha512-dW41u5VfLXu8SJh5bwRmyYUbAoSB3c9uQh6L8h/KtsFREPWpbX1lrljJo186Jc4nmci/sGUZ9a0a0J2zgfq2hw==",
      "requires": {
        "debug": "2.6.9",
        "depd": "2.0.0",
@@ -12838,6 +12857,11 @@
            }
          }
        },
+        "encodeurl": {
+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-1.0.2.tgz",
+          "integrity": "sha512-TPJXq8JqFaVYm2CWmPvnP2Iyo4ZSM7/QKcSmuMLDObfpH5fi7RUGmd/rTDf+rut/saiDiQEeVTNgAmJEdAOx0w=="
+        },
        "ms": {
          "version": "2.1.3",
          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
@@ -12851,14 +12875,14 @@
      "integrity": "sha512-hr3Wtp/GZIc/6DAGPDcV4/9WoZhjrkXsi5B/07QgX8tsdc6ilr7BFM6PM6rbdAX1kFSDYeZGLipIZZKyQP0O5Q=="
    },
    "serve-static": {
-      "version": "1.15.0",
-      "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.15.0.tgz",
-      "integrity": "sha512-XGuRDNjXUijsUL0vl6nSD7cwURuzEgglbOaFuZM9g3kwDXOWVTck0jLzjPzGD+TazWbboZYu52/9/XPdUgne9g==",
+      "version": "1.16.2",
+      "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.16.2.tgz",
+      "integrity": "sha512-VqpjJZKadQB/PEbEwvFdO43Ax5dFBZ2UECszz8bQ7pi7wt//PWe1P6MN7eCnjsatYtBT6EuiClbjSWP2WrIoTw==",
      "requires": {
-        "encodeurl": "~1.0.2",
+        "encodeurl": "~2.0.0",
        "escape-html": "~1.0.3",
        "parseurl": "~1.3.3",
-        "send": "0.18.0"
+        "send": "0.19.0"
      }
    },
    "set-function-length": {
--- a/backend/package.json
+++ b/backend/package.json
@@ -39,15 +39,14 @@
    "prettier": "./node_modules/.bin/prettier --write \"src/**/*.{js,ts}\""
  },
  "dependencies": {
-    "@babel/core": "^7.25.2",
    "@mempool/electrum-client": "1.1.9",
    "@types/node": "^18.15.3",
    "axios": "1.7.2",
    "bitcoinjs-lib": "~6.1.3",
    "crypto-js": "~4.2.0",
-    "express": "~4.19.2",
+    "express": "~4.21.1",
    "maxmind": "~4.3.11",
-    "mysql2": "~3.11.0",
+    "mysql2": "~3.12.0",
    "rust-gbt": "file:./rust-gbt",
    "redis": "^4.7.0",
    "socks-proxy-agent": "~7.0.0",
@@ -55,8 +54,6 @@
    "ws": "~8.18.0"
  },
  "devDependencies": {
-    "@babel/code-frame": "^7.18.6",
-    "@babel/core": "^7.25.2",
    "@types/compression": "^1.7.2",
    "@types/crypto-js": "^4.1.1",
    "@types/express": "^4.17.17",
--- a/backend/src/fixtures/mempool-config.template.json
+++ b/backend/src/fixtures/mempool-config.template.json
@@ -28,6 +28,7 @@
    "INDEXING_BLOCKS_AMOUNT": 14,
    "POOLS_JSON_TREE_URL": "__MEMPOOL_POOLS_JSON_TREE_URL__",
    "POOLS_JSON_URL": "__MEMPOOL_POOLS_JSON_URL__",
+    "POOLS_UPDATE_DELAY": 604800,
    "AUDIT": true,
    "RUST_GBT": false,
    "LIMIT_GBT": false,
@@ -46,7 +47,8 @@
    "PASSWORD": "__CORE_RPC_PASSWORD__",
    "TIMEOUT": 1000,
    "COOKIE": false,
-    "COOKIE_PATH": "__CORE_RPC_COOKIE_PATH__"
+    "COOKIE_PATH": "__CORE_RPC_COOKIE_PATH__",
+    "DEBUG_LOG_PATH": "__CORE_RPC_DEBUG_LOG_PATH__"
  },
  "ELECTRUM": {
    "HOST": "__ELECTRUM_HOST__",
@@ -149,5 +151,9 @@
    "ENABLED": true,
    "PAID": false,
    "API_KEY": "__MEMPOOL_CURRENCY_API_KEY__"
+  },
+  "STRATUM": {
+    "ENABLED": false,
+    "API": "http://localhost:1234"
  }
 }
--- a/backend/src/tests/api/common.ts
+++ b/backend/src/tests/api/common.ts
@@ -1,5 +1,5 @@
 import { Common } from '../../api/common';
-import { MempoolTransactionExtended } from '../../mempool.interfaces';
+import { MempoolTransactionExtended, TransactionExtended } from '../../mempool.interfaces';

 const randomTransactions = require('./test-data/transactions-random.json');
 const replacedTransactions = require('./test-data/transactions-replaced.json');
@@ -10,14 +10,14 @@ describe('Common', () => {
  describe('RBF', () => {
    const newTransactions = rbfTransactions.concat(randomTransactions);
    test('should detect RBF transactions with fast method', () => {
-      const result: { [txid: string]: MempoolTransactionExtended[] } = Common.findRbfTransactions(newTransactions, replacedTransactions);
+      const result: { [txid: string]: { replaced: MempoolTransactionExtended[], replacedBy: TransactionExtended }} = Common.findRbfTransactions(newTransactions, replacedTransactions);
      expect(Object.values(result).length).toEqual(2);
      expect(result).toHaveProperty('7219d95161f3718335991ac6d967d24eedec370908c9879bb1e192e6d797d0a6');
      expect(result).toHaveProperty('5387881d695d4564d397026dc5f740f816f8390b4b2c5ec8c20309122712a875');
    });

    test('should detect RBF transactions with scalable method', () => {
-      const result: { [txid: string]: MempoolTransactionExtended[] } = Common.findRbfTransactions(newTransactions, replacedTransactions, true);
+      const result: { [txid: string]: { replaced: MempoolTransactionExtended[], replacedBy: TransactionExtended }} = Common.findRbfTransactions(newTransactions, replacedTransactions, true);
      expect(Object.values(result).length).toEqual(2);
      expect(result).toHaveProperty('7219d95161f3718335991ac6d967d24eedec370908c9879bb1e192e6d797d0a6');
      expect(result).toHaveProperty('5387881d695d4564d397026dc5f740f816f8390b4b2c5ec8c20309122712a875');
--- a/backend/src/tests/config.test.ts
+++ b/backend/src/tests/config.test.ts
@@ -41,8 +41,9 @@ describe('Mempool Backend Config', () => {
        STDOUT_LOG_MIN_PRIORITY: 'debug',
        POOLS_JSON_TREE_URL: 'https://api.github.com/repos/mempool/mining-pools/git/trees/master',
        POOLS_JSON_URL: 'https://raw.githubusercontent.com/mempool/mining-pools/master/pools-v2.json',
+        POOLS_UPDATE_DELAY: 604800,
        AUDIT: false,
-        RUST_GBT: false,
+        RUST_GBT: true,
        LIMIT_GBT: false,
        CPFP_INDEXING: false,
        MAX_BLOCKS_BULK_QUERY: 0,
@@ -73,7 +74,8 @@ describe('Mempool Backend Config', () => {
        PASSWORD: 'mempool',
        TIMEOUT: 60000,
        COOKIE: false,
-        COOKIE_PATH: '/bitcoin/.cookie'
+        COOKIE_PATH: '/bitcoin/.cookie',
+        DEBUG_LOG_PATH: '',
      });

      expect(config.SECOND_CORE_RPC).toStrictEqual({
@@ -157,6 +159,11 @@ describe('Mempool Backend Config', () => {
        PAID: false,
        API_KEY: '',
      });
+
+      expect(config.STRATUM).toStrictEqual({
+        ENABLED: false,
+        API: 'http://localhost:1234',
+      });
    });
  });

--- a/backend/src/api/bitcoin/bitcoin-api-abstract-factory.ts
+++ b/backend/src/api/bitcoin/bitcoin-api-abstract-factory.ts
@@ -1,4 +1,4 @@
-import { IBitcoinApi, TestMempoolAcceptResult } from './bitcoin-api.interface';
+import { IBitcoinApi, SubmitPackageResult, TestMempoolAcceptResult } from './bitcoin-api.interface';
 import { IEsploraApi } from './esplora-api.interface';

 export interface AbstractBitcoinApi {
@@ -23,12 +23,14 @@ export interface AbstractBitcoinApi {
  $getScriptHashTransactions(address: string, lastSeenTxId: string): Promise<IEsploraApi.Transaction[]>;
  $sendRawTransaction(rawTransaction: string): Promise<string>;
  $testMempoolAccept(rawTransactions: string[], maxfeerate?: number): Promise<TestMempoolAcceptResult[]>;
+  $submitPackage(rawTransactions: string[], maxfeerate?: number, maxburnamount?: number): Promise<SubmitPackageResult>;
  $getOutspend(txId: string, vout: number): Promise<IEsploraApi.Outspend>;
  $getOutspends(txId: string): Promise<IEsploraApi.Outspend[]>;
  $getBatchedOutspends(txId: string[]): Promise<IEsploraApi.Outspend[][]>;
  $getBatchedOutspendsInternal(txId: string[]): Promise<IEsploraApi.Outspend[][]>;
  $getOutSpendsByOutpoint(outpoints: { txid: string, vout: number }[]): Promise<IEsploraApi.Outspend[]>;
  $getCoinbaseTx(blockhash: string): Promise<IEsploraApi.Transaction>;
+  $getAddressTransactionSummary(address: string): Promise<IEsploraApi.AddressTxSummary[]>;

  startHealthChecks(): void;
  getHealthStatus(): HealthCheckHost[];
--- a/backend/src/api/bitcoin/bitcoin-api.interface.ts
+++ b/backend/src/api/bitcoin/bitcoin-api.interface.ts
@@ -218,3 +218,21 @@ export interface TestMempoolAcceptResult {
  },
  ['reject-reason']?: string,
 }
+
+export interface SubmitPackageResult {
+  package_msg: string;
+  "tx-results": { [wtxid: string]: TxResult };
+  "replaced-transactions"?: string[];
+}
+
+export interface TxResult {
+  txid: string;
+  "other-wtxid"?: string;
+  vsize?: number;
+  fees?: {
+    base: number;
+    "effective-feerate"?: number;
+    "effective-includes"?: string[];
+  };
+  error?: string;
+}
--- a/backend/src/api/bitcoin/bitcoin-api.ts
+++ b/backend/src/api/bitcoin/bitcoin-api.ts
@@ -1,6 +1,6 @@
 import * as bitcoinjs from 'bitcoinjs-lib';
 import { AbstractBitcoinApi, HealthCheckHost } from './bitcoin-api-abstract-factory';
-import { IBitcoinApi, TestMempoolAcceptResult } from './bitcoin-api.interface';
+import { IBitcoinApi, SubmitPackageResult, TestMempoolAcceptResult } from './bitcoin-api.interface';
 import { IEsploraApi } from './esplora-api.interface';
 import blocks from '../blocks';
 import mempool from '../mempool';
@@ -196,6 +196,10 @@ class BitcoinApi implements AbstractBitcoinApi {
    }
  }

+  $submitPackage(rawTransactions: string[], maxfeerate?: number, maxburnamount?: number): Promise<SubmitPackageResult> {
+    return this.bitcoindClient.submitPackage(rawTransactions, maxfeerate ?? undefined, maxburnamount ?? undefined);
+  }
+
  async $getOutspend(txId: string, vout: number): Promise<IEsploraApi.Outspend> {
    const txOut = await this.bitcoindClient.getTxOut(txId, vout, false);
    return {
@@ -251,6 +255,10 @@ class BitcoinApi implements AbstractBitcoinApi {
    return this.$getRawTransaction(txids[0]);
  }

+  async $getAddressTransactionSummary(address: string): Promise<IEsploraApi.AddressTxSummary[]> {
+    throw new Error('Method getAddressTransactionSummary not supported by the Bitcoin RPC API.');
+  }
+
  $getEstimatedHashrate(blockHeight: number): Promise<number> {
    // 120 is the default block span in Core
    return this.bitcoindClient.getNetworkHashPs(120, blockHeight);
--- a/backend/src/api/bitcoin/bitcoin-core.routes.ts
+++ b/backend/src/api/bitcoin/bitcoin-core.routes.ts
@@ -1,6 +1,11 @@
 import { Application, NextFunction, Request, Response } from 'express';
 import logger from '../../logger';
 import bitcoinClient from './bitcoin-client';
+import config from '../../config';
+
+const BLOCKHASH_REGEX = /^[a-f0-9]{64}$/i;
+const TXID_REGEX = /^[a-f0-9]{64}$/i;
+const RAW_TX_REGEX = /^[a-f0-9]{2,}$/i;

 /**
 * Define a set of routes used by the accelerator server
@@ -9,26 +14,26 @@ import bitcoinClient from './bitcoin-client';
 class BitcoinBackendRoutes {
  private static tag = 'BitcoinBackendRoutes';

-  public initRoutes(app: Application) {
+  public initRoutes(app: Application): void {
    app
-      .get('/api/internal/bitcoin-core/' + 'get-mempool-entry', this.disableCache, this.$getMempoolEntry)
-      .post('/api/internal/bitcoin-core/' + 'decode-raw-transaction', this.disableCache, this.$decodeRawTransaction)
-      .get('/api/internal/bitcoin-core/' + 'get-raw-transaction', this.disableCache, this.$getRawTransaction)
-      .post('/api/internal/bitcoin-core/' + 'send-raw-transaction', this.disableCache, this.$sendRawTransaction)
-      .post('/api/internal/bitcoin-core/' + 'test-mempool-accept', this.disableCache, this.$testMempoolAccept)
-      .get('/api/internal/bitcoin-core/' + 'get-mempool-ancestors', this.disableCache, this.$getMempoolAncestors)
-      .get('/api/internal/bitcoin-core/' + 'get-block', this.disableCache, this.$getBlock)
-      .get('/api/internal/bitcoin-core/' + 'get-block-hash', this.disableCache, this.$getBlockHash)
-      .get('/api/internal/bitcoin-core/' + 'get-block-count', this.disableCache, this.$getBlockCount)
+      .get(config.MEMPOOL.API_URL_PREFIX + 'internal/bitcoin-core/' + 'get-mempool-entry', this.disableCache, this.$getMempoolEntry)
+      .post(config.MEMPOOL.API_URL_PREFIX + 'internal/bitcoin-core/' + 'decode-raw-transaction', this.disableCache, this.$decodeRawTransaction)
+      .get(config.MEMPOOL.API_URL_PREFIX + 'internal/bitcoin-core/' + 'get-raw-transaction', this.disableCache, this.$getRawTransaction)
+      .post(config.MEMPOOL.API_URL_PREFIX + 'internal/bitcoin-core/' + 'send-raw-transaction', this.disableCache, this.$sendRawTransaction)
+      .post(config.MEMPOOL.API_URL_PREFIX + 'internal/bitcoin-core/' + 'test-mempool-accept', this.disableCache, this.$testMempoolAccept)
+      .get(config.MEMPOOL.API_URL_PREFIX + 'internal/bitcoin-core/' + 'get-mempool-ancestors', this.disableCache, this.$getMempoolAncestors)
+      .get(config.MEMPOOL.API_URL_PREFIX + 'internal/bitcoin-core/' + 'get-block', this.disableCache, this.$getBlock)
+      .get(config.MEMPOOL.API_URL_PREFIX + 'internal/bitcoin-core/' + 'get-block-hash', this.disableCache, this.$getBlockHash)
+      .get(config.MEMPOOL.API_URL_PREFIX + 'internal/bitcoin-core/' + 'get-block-count', this.disableCache, this.$getBlockCount)
    ;
  }

  /**
   * Disable caching for bitcoin core routes
-   * 
-   * @param req 
-   * @param res 
-   * @param next 
+   *
+   * @param req
+   * @param res
+   * @param next
   */
  private disableCache(req: Request, res: Response, next: NextFunction): void  {
    res.setHeader('Pragma', 'no-cache');
@@ -39,16 +44,16 @@ class BitcoinBackendRoutes {

  /**
   * Exeption handler to return proper details to the accelerator server
-   * 
-   * @param e 
-   * @param fnName 
-   * @param res 
+   *
+   * @param e
+   * @param fnName
+   * @param res
   */
  private static handleException(e: any, fnName: string, res: Response): void {
    if (typeof(e.code) === 'number') {
-      res.status(400).send(JSON.stringify(e, ['code', 'message']));
-    } else {     
-      const err = `exception in ${fnName}. ${e}. Details: ${JSON.stringify(e, ['code', 'message'])}`; 
+      res.status(400).send(JSON.stringify(e, ['code']));
+    } else {
+      const err = `unknown exception in ${fnName}`;
      logger.err(err, BitcoinBackendRoutes.tag);
      res.status(500).send(err);
    }
@@ -57,13 +62,13 @@ class BitcoinBackendRoutes {
  private async $getMempoolEntry(req: Request, res: Response): Promise<void> {
    const txid = req.query.txid;
    try {
-      if (typeof(txid) !== 'string' || txid.length !== 64) {
-        res.status(400).send(`invalid param txid ${txid}. must be a string of 64 char`);
+      if (typeof(txid) !== 'string' || txid.length !== 64 || !TXID_REGEX.test(txid)) {
+        res.status(400).send(`invalid param txid. must be 64 hexadecimal characters`);
        return;
      }
      const mempoolEntry = await bitcoinClient.getMempoolEntry(txid);
      if (!mempoolEntry) {
-        res.status(404).send(`no mempool entry found for txid ${txid}`);
+        res.status(404).send();
        return;
      }
      res.status(200).send(mempoolEntry);
@@ -75,13 +80,13 @@ class BitcoinBackendRoutes {
  private async $decodeRawTransaction(req: Request, res: Response): Promise<void> {
    const rawTx = req.body.rawTx;
    try {
-      if (typeof(rawTx) !== 'string') {
-        res.status(400).send(`invalid param rawTx ${rawTx}. must be a string`);
+      if (typeof(rawTx) !== 'string' || !RAW_TX_REGEX.test(rawTx)) {
+        res.status(400).send(`invalid param rawTx. must be a string of hexadecimal characters`);
        return;
      }
      const decodedTx = await bitcoinClient.decodeRawTransaction(rawTx);
      if (!decodedTx) {
-        res.status(400).send(`unable to decode rawTx ${rawTx}`);
+        res.status(400).send(`unable to decode rawTx`);
        return;
      }
      res.status(200).send(decodedTx);
@@ -94,23 +99,23 @@ class BitcoinBackendRoutes {
    const txid = req.query.txid;
    const verbose = req.query.verbose;
    try {
-      if (typeof(txid) !== 'string' || txid.length !== 64) {
-        res.status(400).send(`invalid param txid ${txid}. must be a string of 64 char`);
+      if (typeof(txid) !== 'string' || txid.length !== 64 || !TXID_REGEX.test(txid)) {
+        res.status(400).send(`invalid param txid. must be 64 hexadecimal characters`);
        return;
      }
      if (typeof(verbose) !== 'string') {
-        res.status(400).send(`invalid param verbose ${verbose}. must be a string representing an integer`);
+        res.status(400).send(`invalid param verbose. must be a string representing an integer`);
        return;
      }
      const verboseNumber = parseInt(verbose, 10);
      if (typeof(verboseNumber) !== 'number') {
-        res.status(400).send(`invalid param verbose ${verbose}. must be a valid integer`);
+        res.status(400).send(`invalid param verbose. must be a valid integer`);
        return;
      }

      const decodedTx = await bitcoinClient.getRawTransaction(txid, verboseNumber);
      if (!decodedTx) {
-        res.status(400).send(`unable to get raw transaction for txid ${txid}`);
+        res.status(400).send(`unable to get raw transaction`);
        return;
      }
      res.status(200).send(decodedTx);
@@ -122,13 +127,13 @@ class BitcoinBackendRoutes {
  private async $sendRawTransaction(req: Request, res: Response): Promise<void> {
    const rawTx = req.body.rawTx;
    try {
-      if (typeof(rawTx) !== 'string') {
-        res.status(400).send(`invalid param rawTx ${rawTx}. must be a string`);
+      if (typeof(rawTx) !== 'string' || !RAW_TX_REGEX.test(rawTx)) {
+        res.status(400).send(`invalid param rawTx. must be a string of hexadecimal characters`);
        return;
      }
      const txHex = await bitcoinClient.sendRawTransaction(rawTx);
      if (!txHex) {
-        res.status(400).send(`unable to send rawTx ${rawTx}`);
+        res.status(400).send(`unable to send rawTx`);
        return;
      }
      res.status(200).send(txHex);
@@ -140,13 +145,13 @@ class BitcoinBackendRoutes {
  private async $testMempoolAccept(req: Request, res: Response): Promise<void> {
    const rawTxs = req.body.rawTxs;
    try {
-      if (typeof(rawTxs) !== 'object') {
-        res.status(400).send(`invalid param rawTxs ${JSON.stringify(rawTxs)}. must be an array of string`);
+      if (typeof(rawTxs) !== 'object' || !Array.isArray(rawTxs) || rawTxs.some((tx) => typeof(tx) !== 'string' || !RAW_TX_REGEX.test(tx))) {
+        res.status(400).send(`invalid param rawTxs. must be an array of strings of hexadecimal characters`);
        return;
      }
      const txHex = await bitcoinClient.testMempoolAccept(rawTxs);
      if (typeof(txHex) !== 'object' || txHex.length === 0) {
-        res.status(400).send(`testmempoolaccept failed for raw txs ${JSON.stringify(rawTxs)}, got an empty result`);
+        res.status(400).send(`testmempoolaccept failed for raw txs, got an empty result`);
        return;
      }
      res.status(200).send(txHex);
@@ -159,18 +164,18 @@ class BitcoinBackendRoutes {
    const txid = req.query.txid;
    const verbose = req.query.verbose;
    try {
-      if (typeof(txid) !== 'string' || txid.length !== 64) {
-        res.status(400).send(`invalid param txid ${txid}. must be a string of 64 char`);
+      if (typeof(txid) !== 'string' || txid.length !== 64 || !TXID_REGEX.test(txid)) {
+        res.status(400).send(`invalid param txid. must be 64 hexadecimal characters`);
        return;
      }
      if (typeof(verbose) !== 'string' || (verbose !== 'true' && verbose !== 'false')) {
-        res.status(400).send(`invalid param verbose ${verbose}. must be a string ('true' | 'false')`);
+        res.status(400).send(`invalid param verbose. must be a string ('true' | 'false')`);
        return;
      }
-    
+
      const ancestors = await bitcoinClient.getMempoolAncestors(txid, verbose === 'true' ? true : false);
      if (!ancestors) {
-        res.status(400).send(`unable to get mempool ancestors for txid ${txid}`);
+        res.status(400).send(`unable to get mempool ancestors`);
        return;
      }
      res.status(200).send(ancestors);
@@ -183,23 +188,23 @@ class BitcoinBackendRoutes {
    const blockHash = req.query.hash;
    const verbosity = req.query.verbosity;
    try {
-      if (typeof(blockHash) !== 'string' || blockHash.length !== 64) {
-        res.status(400).send(`invalid param blockHash ${blockHash}. must be a string of 64 char`);
+      if (typeof(blockHash) !== 'string' || blockHash.length !== 64 || !BLOCKHASH_REGEX.test(blockHash)) {
+        res.status(400).send(`invalid param blockHash. must be 64 hexadecimal characters`);
        return;
      }
      if (typeof(verbosity) !== 'string') {
-        res.status(400).send(`invalid param verbosity ${verbosity}. must be a string representing an integer`);
+        res.status(400).send(`invalid param verbosity. must be a string representing an integer`);
        return;
      }
      const verbosityNumber = parseInt(verbosity, 10);
      if (typeof(verbosityNumber) !== 'number') {
-        res.status(400).send(`invalid param verbosity ${verbosity}. must be a valid integer`);
+        res.status(400).send(`invalid param verbosity. must be a valid integer`);
        return;
      }

      const block = await bitcoinClient.getBlock(blockHash, verbosityNumber);
      if (!block) {
-        res.status(400).send(`unable to get block for block hash ${blockHash}`);
+        res.status(400).send(`unable to get block`);
        return;
      }
      res.status(200).send(block);
@@ -212,18 +217,18 @@ class BitcoinBackendRoutes {
    const blockHeight = req.query.height;
    try {
      if (typeof(blockHeight) !== 'string') {
-        res.status(400).send(`invalid param blockHeight ${blockHeight}, must be a string representing an integer`);
+        res.status(400).send(`invalid param blockHeight, must be a string representing an integer`);
        return;
      }
      const blockHeightNumber = parseInt(blockHeight, 10);
      if (typeof(blockHeightNumber) !== 'number') {
-        res.status(400).send(`invalid param blockHeight ${blockHeight}. must be a valid integer`);
+        res.status(400).send(`invalid param blockHeight. must be a valid integer`);
        return;
      }

      const block = await bitcoinClient.getBlockHash(blockHeightNumber);
      if (!block) {
-        res.status(400).send(`unable to get block hash for block height ${blockHeightNumber}`);
+        res.status(400).send(`unable to get block hash`);
        return;
      }
      res.status(200).send(block);
@@ -246,4 +251,4 @@ class BitcoinBackendRoutes {
  }
 }

-export default new BitcoinBackendRoutes
+export default new BitcoinBackendRoutes;
--- a/backend/src/api/bitcoin/bitcoin.routes.ts
+++ b/backend/src/api/bitcoin/bitcoin.routes.ts
@@ -21,6 +21,12 @@ import transactionRepository from '../../repositories/TransactionRepository';
 import rbfCache from '../rbf-cache';
 import { calculateMempoolTxCpfp } from '../cpfp';
 import { handleError } from '../../utils/api';
+import poolsUpdater from '../../tasks/pools-updater';
+
+const TXID_REGEX = /^[a-f0-9]{64}$/i;
+const BLOCK_HASH_REGEX = /^[a-f0-9]{64}$/i;
+const ADDRESS_REGEX = /^[a-z0-9]{2,120}$/i;
+const SCRIPT_HASH_REGEX = /^([a-f0-9]{2})+$/i;

 class BitcoinRoutes {
  public initRoutes(app: Application) {
@@ -42,12 +48,19 @@ class BitcoinRoutes {
      .get(config.MEMPOOL.API_URL_PREFIX + 'blocks/:height', this.getBlocks.bind(this))
      .get(config.MEMPOOL.API_URL_PREFIX + 'block/:hash', this.getBlock)
      .get(config.MEMPOOL.API_URL_PREFIX + 'block/:hash/summary', this.getStrippedBlockTransactions)
+      .get(config.MEMPOOL.API_URL_PREFIX + 'block/:hash/tx/:txid/summary', this.getStrippedBlockTransaction)
      .get(config.MEMPOOL.API_URL_PREFIX + 'block/:hash/audit-summary', this.getBlockAuditSummary)
      .get(config.MEMPOOL.API_URL_PREFIX + 'block/:hash/tx/:txid/audit', this.$getBlockTxAuditSummary)
      .get(config.MEMPOOL.API_URL_PREFIX + 'blocks/tip/height', this.getBlockTipHeight)
      .post(config.MEMPOOL.API_URL_PREFIX + 'psbt/addparents', this.postPsbtCompletion)
      .get(config.MEMPOOL.API_URL_PREFIX + 'blocks-bulk/:from', this.getBlocksByBulk.bind(this))
      .get(config.MEMPOOL.API_URL_PREFIX + 'blocks-bulk/:from/:to', this.getBlocksByBulk.bind(this))
+      // Temporarily add txs/package endpoint for all backends until esplora supports it
+      .post(config.MEMPOOL.API_URL_PREFIX + 'txs/package', this.$submitPackage)
+      // Internal routes
+      .get(config.MEMPOOL.API_URL_PREFIX + 'internal/blocks/definition/list', this.getBlockDefinitionHashes)
+      .get(config.MEMPOOL.API_URL_PREFIX + 'internal/blocks/definition/current', this.getCurrentBlockDefinitionHash)
+      .get(config.MEMPOOL.API_URL_PREFIX + 'internal/blocks/:definitionHash', this.getBlocksByDefinitionHash)
      ;

      if (config.MEMPOOL.BACKEND !== 'esplora') {
@@ -87,7 +100,7 @@ class BitcoinRoutes {
      res.set('Content-Type', 'application/json');
      res.send(result);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get init data');
    }
  }

@@ -106,7 +119,7 @@ class BitcoinRoutes {
      const result = mempoolBlocks.getMempoolBlocks();
      res.json(result);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get mempool blocks');
    }
  }

@@ -118,7 +131,10 @@ class BitcoinRoutes {
    const txIds: string[] = [];
    for (const _txId in req.query.txId) {
      if (typeof req.query.txId[_txId] === 'string') {
-        txIds.push(req.query.txId[_txId].toString());
+        const txid = req.query.txId[_txId].toString();
+        if (TXID_REGEX.test(txid)) {
+          txIds.push(txid);
+        }
      }
    }

@@ -137,18 +153,22 @@ class BitcoinRoutes {
      handleError(req, res, 400, 'Too many txids requested');
      return;
    }
+    if (txids.some((txid) => !TXID_REGEX.test(txid))) {
+      handleError(req, res, 400, 'Invalid txids format');
+      return;
+    }

    try {
      const batchedOutspends = await bitcoinApi.$getBatchedOutspends(txids);
      res.json(batchedOutspends);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get batched outspends');
    }
  }

  private async $getCpfpInfo(req: Request, res: Response) {
-    if (!/^[a-fA-F0-9]{64}$/.test(req.params.txId)) {
-      handleError(req, res, 501, `Invalid transaction ID.`);
+    if (!TXID_REGEX.test(req.params.txId)) {
+      handleError(req, res, 501, `Invalid transaction ID`);
      return;
    }

@@ -181,7 +201,7 @@ class BitcoinRoutes {
        try {
          cpfpInfo = await transactionRepository.$getCpfpInfo(req.params.txId);
        } catch (e) {
-          handleError(req, res, 500, 'failed to get CPFP info');
+          handleError(req, res, 500, 'Failed to get CPFP info');
          return;
        }
      }
@@ -202,6 +222,10 @@ class BitcoinRoutes {
  }

  private async getTransaction(req: Request, res: Response) {
+    if (!TXID_REGEX.test(req.params.txId)) {
+      handleError(req, res, 501, `Invalid transaction ID`);
+      return;
+    }
    try {
      const transaction = await transactionUtils.$getTransactionExtended(req.params.txId, true, false, false, true);
      res.json(transaction);
@@ -209,12 +233,18 @@ class BitcoinRoutes {
      let statusCode = 500;
      if (e instanceof Error && e instanceof Error && e.message && e.message.indexOf('No such mempool or blockchain transaction') > -1) {
        statusCode = 404;
+        handleError(req, res, statusCode, 'No such mempool or blockchain transaction');
+        return;
      }
-      handleError(req, res, statusCode, e instanceof Error ? e.message : e);
+      handleError(req, res, statusCode, 'Failed to get transaction');
    }
  }

  private async getRawTransaction(req: Request, res: Response) {
+    if (!TXID_REGEX.test(req.params.txId)) {
+      handleError(req, res, 501, `Invalid transaction ID`);
+      return;
+    }
    try {
      const transaction: IEsploraApi.Transaction = await bitcoinApi.$getRawTransaction(req.params.txId, true);
      res.setHeader('content-type', 'text/plain');
@@ -223,8 +253,10 @@ class BitcoinRoutes {
      let statusCode = 500;
      if (e instanceof Error && e.message && e.message.indexOf('No such mempool or blockchain transaction') > -1) {
        statusCode = 404;
+        handleError(req, res, statusCode, 'No such mempool or blockchain transaction');
+        return;
      }
-      handleError(req, res, statusCode, e instanceof Error ? e.message : e);
+      handleError(req, res, statusCode, 'Failed to get raw transaction');
    }
  }

@@ -289,14 +321,18 @@ class BitcoinRoutes {
      }
    } catch (e: any) {
      if (e instanceof Error && new RegExp(notFoundError).test(e.message)) {
-        handleError(req, res, 404, e.message);
+        handleError(req, res, 404, notFoundError);
      } else {
-        handleError(req, res, 500, e instanceof Error ? e.message : e);
+        handleError(req, res, 500, 'Failed to process PSBT');
      }
    }
  }

  private async getTransactionStatus(req: Request, res: Response) {
+    if (!TXID_REGEX.test(req.params.txId)) {
+      handleError(req, res, 501, `Invalid transaction ID`);
+      return;
+    }
    try {
      const transaction = await transactionUtils.$getTransactionExtended(req.params.txId, true);
      res.json(transaction.status);
@@ -304,22 +340,54 @@ class BitcoinRoutes {
      let statusCode = 500;
      if (e instanceof Error && e.message && e.message.indexOf('No such mempool or blockchain transaction') > -1) {
        statusCode = 404;
+        handleError(req, res, statusCode, 'No such mempool or blockchain transaction');
+        return;
      }
-      handleError(req, res, statusCode, e instanceof Error ? e.message : e);
+      handleError(req, res, statusCode, 'Failed to get transaction status');
    }
  }

  private async getStrippedBlockTransactions(req: Request, res: Response) {
+    if (!BLOCK_HASH_REGEX.test(req.params.hash)) {
+      handleError(req, res, 501, `Invalid block hash`);
+      return;
+    }
    try {
      const transactions = await blocks.$getStrippedBlockTransactions(req.params.hash);
      res.setHeader('Expires', new Date(Date.now() + 1000 * 3600 * 24 * 30).toUTCString());
      res.json(transactions);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get block summary');
+    }
+  }
+
+  private async getStrippedBlockTransaction(req: Request, res: Response) {
+    if (!BLOCK_HASH_REGEX.test(req.params.hash)) {
+      handleError(req, res, 501, `Invalid block hash`);
+      return;
+    }
+    if (!TXID_REGEX.test(req.params.txid)) {
+      handleError(req, res, 501, `Invalid transaction ID`);
+      return;
+    }
+    try {
+      const transaction = await blocks.$getSingleTxFromSummary(req.params.hash, req.params.txid);
+      if (!transaction) {
+        handleError(req, res, 404, `Transaction not found in summary`);
+        return;
+      }
+      res.setHeader('Expires', new Date(Date.now() + 1000 * 3600 * 24 * 30).toUTCString());
+      res.json(transaction);
+    } catch (e) {
+      handleError(req, res, 500, 'Failed to get transaction from summary');
    }
  }

  private async getBlock(req: Request, res: Response) {
+    if (!BLOCK_HASH_REGEX.test(req.params.hash)) {
+      handleError(req, res, 501, `Invalid block hash`);
+      return;
+    }
    try {
      const block = await blocks.$getBlock(req.params.hash);

@@ -331,53 +399,69 @@ class BitcoinRoutes {
      } else if (blockAge > 30 * day) {
        cacheDuration = 10 * day;
      } else {
-        cacheDuration = 600
+        cacheDuration = 600;
      }

      res.setHeader('Expires', new Date(Date.now() + 1000 * cacheDuration).toUTCString());
      res.json(block);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get block');
    }
  }

  private async getBlockHeader(req: Request, res: Response) {
+    if (!BLOCK_HASH_REGEX.test(req.params.hash)) {
+      handleError(req, res, 501, `Invalid block hash`);
+      return;
+    }
    try {
      const blockHeader = await bitcoinApi.$getBlockHeader(req.params.hash);
      res.setHeader('content-type', 'text/plain');
      res.send(blockHeader);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get block header');
    }
  }

  private async getBlockAuditSummary(req: Request, res: Response) {
+    if (!BLOCK_HASH_REGEX.test(req.params.hash)) {
+      handleError(req, res, 501, `Invalid block hash`);
+      return;
+    }
    try {
      const auditSummary = await blocks.$getBlockAuditSummary(req.params.hash);
      if (auditSummary) {
        res.setHeader('Expires', new Date(Date.now() + 1000 * 3600 * 24 * 30).toUTCString());
        res.json(auditSummary);
      } else {
-        handleError(req, res, 404, `audit not available`);
+        handleError(req, res, 404, `Audit not available`);
        return;
      }
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get block audit summary');
    }
  }

  private async $getBlockTxAuditSummary(req: Request, res: Response) {
+    if (!BLOCK_HASH_REGEX.test(req.params.hash)) {
+      handleError(req, res, 501, `Invalid block hash`);
+      return;
+    }
+    if (!TXID_REGEX.test(req.params.txid)) {
+      handleError(req, res, 501, `Invalid transaction ID`);
+      return;
+    }
    try {
      const auditSummary = await blocks.$getBlockTxAuditSummary(req.params.hash, req.params.txid);
      if (auditSummary) {
        res.setHeader('Expires', new Date(Date.now() + 1000 * 3600 * 24 * 30).toUTCString());
        res.json(auditSummary);
      } else {
-        handleError(req, res, 404, `transaction audit not available`);
+        handleError(req, res, 404, `Transaction audit not available`);
        return;
      }
    } catch (e) {
-      res.status(500).send(e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get transaction audit summary');
    }
  }

@@ -391,7 +475,7 @@ class BitcoinRoutes {
        return await this.getLegacyBlocks(req, res);
      }
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get blocks');
    }
  }

@@ -433,7 +517,7 @@ class BitcoinRoutes {
      res.json(await blocks.$getBlocksBetweenHeight(from, to));

    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get blocks');
    }
  }

@@ -468,11 +552,15 @@ class BitcoinRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      res.json(returnBlocks);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get blocks');
    }
  }

  private async getBlockTransactions(req: Request, res: Response) {
+    if (!BLOCK_HASH_REGEX.test(req.params.hash)) {
+      handleError(req, res, 501, `Invalid block hash`);
+      return;
+    }
    try {
      loadingIndicators.setProgress('blocktxs-' + req.params.hash, 0);

@@ -493,7 +581,7 @@ class BitcoinRoutes {
      res.json(transactions);
    } catch (e) {
      loadingIndicators.setProgress('blocktxs-' + req.params.hash, 100);
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get block transactions');
    }
  }

@@ -502,7 +590,7 @@ class BitcoinRoutes {
      const blockHash = await bitcoinApi.$getBlockHash(parseInt(req.params.height, 10));
      res.send(blockHash);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get block at height');
    }
  }

@@ -511,16 +599,20 @@ class BitcoinRoutes {
      handleError(req, res, 405, 'Address lookups cannot be used with bitcoind as backend.');
      return;
    }
+    if (!ADDRESS_REGEX.test(req.params.address)) {
+      handleError(req, res, 501, `Invalid address`);
+      return;
+    }

    try {
      const addressData = await bitcoinApi.$getAddress(req.params.address);
      res.json(addressData);
    } catch (e) {
      if (e instanceof Error && e.message && (e.message.indexOf('too long') > 0 || e.message.indexOf('confirmed status') > 0)) {
-        handleError(req, res, 413, e instanceof Error ? e.message : e);
+        handleError(req, res, 413, e.message);
        return;
      }
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get address');
    }
  }

@@ -529,6 +621,10 @@ class BitcoinRoutes {
      handleError(req, res, 405, 'Address lookups cannot be used with bitcoind as backend.');
      return;
    }
+    if (!ADDRESS_REGEX.test(req.params.address)) {
+      handleError(req, res, 501, `Invalid address`);
+      return;
+    }

    try {
      let lastTxId: string = '';
@@ -539,10 +635,10 @@ class BitcoinRoutes {
      res.json(transactions);
    } catch (e) {
      if (e instanceof Error && e.message && (e.message.indexOf('too long') > 0 || e.message.indexOf('confirmed status') > 0)) {
-        handleError(req, res, 413, e instanceof Error ? e.message : e);
+        handleError(req, res, 413, e.message);
        return;
      }
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get address transactions');
    }
  }

@@ -558,6 +654,10 @@ class BitcoinRoutes {
      handleError(req, res, 405, 'Address lookups cannot be used with bitcoind as backend.');
      return;
    }
+    if (!SCRIPT_HASH_REGEX.test(req.params.scripthash)) {
+      handleError(req, res, 501, `Invalid scripthash`);
+      return;
+    }

    try {
      // electrum expects scripthashes in little-endian
@@ -566,10 +666,10 @@ class BitcoinRoutes {
      res.json(addressData);
    } catch (e) {
      if (e instanceof Error && e.message && (e.message.indexOf('too long') > 0 || e.message.indexOf('confirmed status') > 0)) {
-        handleError(req, res, 413, e instanceof Error ? e.message : e);
+        handleError(req, res, 413, e.message);
        return;
      }
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get script hash');
    }
  }

@@ -578,6 +678,10 @@ class BitcoinRoutes {
      handleError(req, res, 405, 'Address lookups cannot be used with bitcoind as backend.');
      return;
    }
+    if (!SCRIPT_HASH_REGEX.test(req.params.scripthash)) {
+      handleError(req, res, 501, `Invalid scripthash`);
+      return;
+    }

    try {
      // electrum expects scripthashes in little-endian
@@ -590,10 +694,10 @@ class BitcoinRoutes {
      res.json(transactions);
    } catch (e) {
      if (e instanceof Error && e.message && (e.message.indexOf('too long') > 0 || e.message.indexOf('confirmed status') > 0)) {
-        handleError(req, res, 413, e instanceof Error ? e.message : e);
+        handleError(req, res, 413, e.message);
        return;
      }
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get script hash transactions');
    }
  }

@@ -606,10 +710,10 @@ class BitcoinRoutes {

  private async getAddressPrefix(req: Request, res: Response) {
    try {
-      const blockHash = await bitcoinApi.$getAddressPrefix(req.params.prefix);
-      res.send(blockHash);
+      const addressPrefix = await bitcoinApi.$getAddressPrefix(req.params.prefix);
+      res.send(addressPrefix);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get address prefix');
    }
  }

@@ -640,6 +744,52 @@ class BitcoinRoutes {
    }
  }

+  private async getBlockDefinitionHashes(req: Request, res: Response): Promise<void> {
+    try {
+      const result = await blocks.$getBlockDefinitionHashes();
+      if (!result) {
+        handleError(req, res, 503, `Service Temporarily Unavailable`);
+        return;
+      }
+      res.setHeader('content-type', 'application/json');
+      res.send(result);
+    } catch (e) {
+      handleError(req, res, 500, e instanceof Error ? e.message : e);
+    }
+  }
+
+  private async getCurrentBlockDefinitionHash(req: Request, res: Response): Promise<void> {
+    try {
+      const currentSha = await poolsUpdater.getShaFromDb();
+      if (!currentSha) {
+        handleError(req, res, 503, `Service Temporarily Unavailable`);
+        return;
+      }
+      res.setHeader('content-type', 'text/plain');
+      res.send(currentSha);
+    } catch (e) {
+      handleError(req, res, 500, e instanceof Error ? e.message : e);
+    }
+  }
+
+  private async getBlocksByDefinitionHash(req: Request, res: Response): Promise<void> {
+    try {
+      if (typeof(req.params.definitionHash) !== 'string') {
+        res.status(400).send('Parameter "hash" must be a valid string');
+        return;
+      }
+      const blocksHash = await blocks.$getBlocksByDefinitionHash(req.params.definitionHash as string);
+      if (!blocksHash) {
+        handleError(req, res, 503, `Service Temporarily Unavailable`);
+        return;
+      }
+      res.setHeader('content-type', 'application/json');
+      res.send(blocksHash);
+    } catch (e) {
+      handleError(req, res, 500, e instanceof Error ? e.message : e);
+    }
+  }
+
  private getBlockTipHeight(req: Request, res: Response) {
    try {
      const result = blocks.getCurrentBlockHeight();
@@ -650,7 +800,7 @@ class BitcoinRoutes {
      res.setHeader('content-type', 'text/plain');
      res.send(result.toString());
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get height at tip');
    }
  }

@@ -660,39 +810,55 @@ class BitcoinRoutes {
      res.setHeader('content-type', 'text/plain');
      res.send(result);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get hash at tip');
    }
  }

  private async getRawBlock(req: Request, res: Response) {
+    if (!BLOCK_HASH_REGEX.test(req.params.hash)) {
+      handleError(req, res, 501, `Invalid block hash`);
+      return;
+    }
    try {
      const result = await bitcoinApi.$getRawBlock(req.params.hash);
      res.setHeader('content-type', 'application/octet-stream');
      res.send(result);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get raw block');
    }
  }

  private async getTxIdsForBlock(req: Request, res: Response) {
+    if (!BLOCK_HASH_REGEX.test(req.params.hash)) {
+      handleError(req, res, 501, `Invalid block hash`);
+      return;
+    }
    try {
      const result = await bitcoinApi.$getTxIdsForBlock(req.params.hash);
      res.json(result);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get txids for block');
    }
  }

  private async validateAddress(req: Request, res: Response) {
+    if (!ADDRESS_REGEX.test(req.params.address)) {
+      handleError(req, res, 501, `Invalid address`);
+      return;
+    }
    try {
      const result = await bitcoinClient.validateAddress(req.params.address);
      res.json(result);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to validate address');
    }
  }

  private async getRbfHistory(req: Request, res: Response) {
+    if (!TXID_REGEX.test(req.params.txId)) {
+      handleError(req, res, 501, `Invalid transaction ID`);
+      return;
+    }
    try {
      const replacements = rbfCache.getRbfTree(req.params.txId) || null;
      const replaces = rbfCache.getReplaces(req.params.txId) || null;
@@ -701,7 +867,7 @@ class BitcoinRoutes {
        replaces
      });
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get rbf history');
    }
  }

@@ -710,7 +876,7 @@ class BitcoinRoutes {
      const result = rbfCache.getRbfTrees(false);
      res.json(result);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get rbf trees');
    }
  }

@@ -719,11 +885,15 @@ class BitcoinRoutes {
      const result = rbfCache.getRbfTrees(true);
      res.json(result);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get full rbf replacements');
    }
  }

  private async getCachedTx(req: Request, res: Response) {
+    if (!TXID_REGEX.test(req.params.txId)) {
+      handleError(req, res, 501, `Invalid transaction ID`);
+      return;
+    }
    try {
      const result = rbfCache.getTx(req.params.txId);
      if (result) {
@@ -732,16 +902,20 @@ class BitcoinRoutes {
        res.status(204).send();
      }
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get cached tx');
    }
  }

  private async getTransactionOutspends(req: Request, res: Response) {
+    if (!TXID_REGEX.test(req.params.txId)) {
+      handleError(req, res, 501, `Invalid transaction ID`);
+      return;
+    }
    try {
      const result = await bitcoinApi.$getOutspends(req.params.txId);
      res.json(result);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get transaction outspends');
    }
  }

@@ -754,7 +928,7 @@ class BitcoinRoutes {
        handleError(req, res, 503, `Service Temporarily Unavailable`);
      }
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get difficulty change');
    }
  }

@@ -765,8 +939,8 @@ class BitcoinRoutes {
      const txIdResult = await bitcoinApi.$sendRawTransaction(rawTx);
      res.send(txIdResult);
    } catch (e: any) {
-      handleError(req, res, 400, e.message && e.code ? 'sendrawtransaction RPC error: ' + JSON.stringify({ code: e.code, message: e.message })
-        : (e.message || 'Error'));
+      handleError(req, res, 400, (e.message && e.code) ? 'sendrawtransaction RPC error: ' + JSON.stringify({ code: e.code })
+        : 'Failed to send raw transaction');
    }
  }

@@ -777,8 +951,8 @@ class BitcoinRoutes {
      const txIdResult = await bitcoinClient.sendRawTransaction(txHex);
      res.send(txIdResult);
    } catch (e: any) {
-      handleError(req, res, 400, e.message && e.code ? 'sendrawtransaction RPC error: ' + JSON.stringify({ code: e.code, message: e.message })
-        : (e.message || 'Error'));
+      handleError(req, res, 400, (e.message && e.code) ? 'sendrawtransaction RPC error: ' + JSON.stringify({ code: e.code })
+        : 'Failed to send raw transaction');
    }
  }

@@ -789,8 +963,21 @@ class BitcoinRoutes {
      const result = await bitcoinApi.$testMempoolAccept(rawTxs, maxfeerate);
      res.send(result);
    } catch (e: any) {
-      handleError(req, res, 400, e.message && e.code ? 'testmempoolaccept RPC error: ' + JSON.stringify({ code: e.code, message: e.message })
-        : (e.message || 'Error'));
+      handleError(req, res, 400, (e.message && e.code) ? 'testmempoolaccept RPC error: ' + JSON.stringify({ code: e.code })
+        : 'Failed to test transactions');
+    }
+  }
+
+  private async $submitPackage(req: Request, res: Response) {
+    try {
+      const rawTxs = Common.getTransactionsFromRequest(req);
+      const maxfeerate = parseFloat(req.query.maxfeerate as string);
+      const maxburnamount = parseFloat(req.query.maxburnamount as string);
+      const result = await bitcoinClient.submitPackage(rawTxs, maxfeerate ?? undefined, maxburnamount ?? undefined);
+      res.send(result);
+    } catch (e: any) {
+      handleError(req, res, 400, (e.message && e.code) ? 'submitpackage RPC error: ' + JSON.stringify({ code: e.code })
+        : 'Failed to submit package');
    }
  }

--- a/backend/src/api/bitcoin/esplora-api.interface.ts
+++ b/backend/src/api/bitcoin/esplora-api.interface.ts
@@ -179,4 +179,11 @@ export namespace IEsploraApi {
    burn_count: number;
  }

+  export interface AddressTxSummary {
+    txid: string;
+    value: number;
+    height: number;
+    time: number;
+    tx_position?: number;
+  }
 }
--- a/backend/src/api/bitcoin/esplora-api.ts
+++ b/backend/src/api/bitcoin/esplora-api.ts
@@ -1,12 +1,12 @@
 import config from '../../config';
-import axios, { AxiosResponse, isAxiosError } from 'axios';
+import axios, { isAxiosError } from 'axios';
 import http from 'http';
 import { AbstractBitcoinApi, HealthCheckHost } from './bitcoin-api-abstract-factory';
 import { IEsploraApi } from './esplora-api.interface';
 import logger from '../../logger';
 import { Common } from '../common';
-import { TestMempoolAcceptResult } from './bitcoin-api.interface';
-
+import { SubmitPackageResult, TestMempoolAcceptResult } from './bitcoin-api.interface';
+import os from 'os';
 interface FailoverHost {
  host: string,
  rtts: number[],
@@ -20,6 +20,13 @@ interface FailoverHost {
  preferred?: boolean,
  checked: boolean,
  lastChecked?: number,
+  publicDomain: string,
+  hashes: {
+    frontend?: string,
+    backend?: string,
+    electrs?: string,
+    lastUpdated: number,
+  }
 }

 class FailoverRouter {
@@ -29,14 +36,21 @@ class FailoverRouter {
  maxHeight: number = 0;
  hosts: FailoverHost[];
  multihost: boolean;
-  pollInterval: number = 60000;
+  gitHashInterval: number = 600000; // 10 minutes
+  pollInterval: number = 60000; // 1 minute
  pollTimer: NodeJS.Timeout | null = null;
  pollConnection = axios.create();
+  localHostname: string = 'localhost';
  requestConnection = axios.create({
    httpAgent: new http.Agent({ keepAlive: true })
  });

  constructor() {
+    try {
+      this.localHostname = os.hostname();
+    } catch (e) {
+      logger.warn('Failed to set local hostname, using "localhost"');
+    }
    // setup list of hosts
    this.hosts = (config.ESPLORA.FALLBACK || []).map(domain => {
      return {
@@ -45,6 +59,10 @@ class FailoverRouter {
        rtts: [],
        rtt: Infinity,
        failures: 0,
+        publicDomain: 'https://' + this.extractPublicDomain(domain),
+        hashes: {
+          lastUpdated: 0,
+        },
      };
    });
    this.activeHost = {
@@ -55,6 +73,10 @@ class FailoverRouter {
      socket: !!config.ESPLORA.UNIX_SOCKET_PATH,
      preferred: true,
      checked: false,
+      publicDomain: `http://${this.localHostname}`,
+      hashes: {
+        lastUpdated: 0,
+      },
    };
    this.fallbackHost = this.activeHost;
    this.hosts.unshift(this.activeHost);
@@ -106,6 +128,24 @@ class FailoverRouter {
            host.outOfSync = false;
          }
          host.unreachable = false;
+
+          // update esplora git hash using the x-powered-by header from the height check
+          const poweredBy = result.headers['x-powered-by'];
+          if (poweredBy) {
+            const match = poweredBy.match(/([a-fA-F0-9]{5,40})/);
+            if (match && match[1]?.length) {
+              host.hashes.electrs = match[1];
+            }
+          }
+
+          // Check front and backend git hashes less often
+          if (Date.now() - host.hashes.lastUpdated > this.gitHashInterval) {
+            await Promise.all([
+              this.$updateFrontendGitHash(host),
+              this.$updateBackendGitHash(host)
+            ]);
+            host.hashes.lastUpdated = Date.now();
+          }
        } else {
          host.outOfSync = true;
          host.unreachable = true;
@@ -202,6 +242,47 @@ class FailoverRouter {
    }
  }

+  // methods for retrieving git hashes by host
+  private async $updateFrontendGitHash(host: FailoverHost): Promise<void> {
+    try {
+      const url = `${host.publicDomain}/resources/config.js`;
+      const response = await this.pollConnection.get<string>(url, { timeout: config.ESPLORA.FALLBACK_TIMEOUT });
+      const match = response.data.match(/GIT_COMMIT_HASH\s*=\s*['"](.*?)['"]/);
+      if (match && match[1]?.length) {
+        host.hashes.frontend = match[1];
+      }
+    } catch (e) {
+      // failed to get frontend build hash - do nothing
+    }
+  }
+
+  private async $updateBackendGitHash(host: FailoverHost): Promise<void> {
+    try {
+      const url = `${host.publicDomain}/api/v1/backend-info`;
+      const response = await this.pollConnection.get<any>(url, { timeout: config.ESPLORA.FALLBACK_TIMEOUT });
+      if (response.data?.gitCommit) {
+        host.hashes.backend = response.data.gitCommit;
+      }
+    } catch (e) {
+      // failed to get backend build hash - do nothing
+    }
+  }
+
+  // returns the public mempool domain corresponding to an esplora server url
+  // (a bit of a hack to avoid manually specifying frontend & backend URLs for each esplora server)
+  private extractPublicDomain(url: string): string {
+    // force the url to start with a valid protocol
+    const urlWithProtocol = url.startsWith('http') ? url : `https://${url}`;
+    // parse as URL and extract the hostname
+    try {
+      const parsed = new URL(urlWithProtocol);
+      return parsed.hostname;
+    } catch (e) {
+      // fallback to the original url
+      return url;
+    }
+  }
+
  private async $query<T>(method: 'get'| 'post', path, data: any, responseType = 'json', host = this.activeHost, retry: boolean = true): Promise<T> {
    let axiosConfig;
    let url;
@@ -305,7 +386,7 @@ class ElectrsApi implements AbstractBitcoinApi {
  }

  $getAddress(address: string): Promise<IEsploraApi.Address> {
-    throw new Error('Method getAddress not implemented.');
+    return this.failoverRouter.$get<IEsploraApi.Address>('/address/' + address);
  }

  $getAddressTransactions(address: string, txId?: string): Promise<IEsploraApi.Transaction[]> {
@@ -332,6 +413,10 @@ class ElectrsApi implements AbstractBitcoinApi {
    throw new Error('Method not implemented.');
  }

+  $submitPackage(rawTransactions: string[]): Promise<SubmitPackageResult> {
+    throw new Error('Method not implemented.');
+  }
+
  $getOutspend(txId: string, vout: number): Promise<IEsploraApi.Outspend> {
    return this.failoverRouter.$get<IEsploraApi.Outspend>('/tx/' + txId + '/outspend/' + vout);
  }
@@ -357,6 +442,10 @@ class ElectrsApi implements AbstractBitcoinApi {
    return this.failoverRouter.$get<IEsploraApi.Transaction>('/tx/' + txid);
  }

+  async $getAddressTransactionSummary(address: string): Promise<IEsploraApi.AddressTxSummary[]> {
+    return this.failoverRouter.$get<IEsploraApi.AddressTxSummary[]>('/address/' + address + '/txs/summary');
+  }
+
  public startHealthChecks(): void {
    this.failoverRouter.startHealthChecks();
  }
@@ -373,6 +462,7 @@ class ElectrsApi implements AbstractBitcoinApi {
        unreachable: !!host.unreachable,
        checked: !!host.checked,
        lastChecked: host.lastChecked || 0,
+        hashes: host.hashes,
      }));
    } else {
      return [];
--- a/backend/src/api/blocks.ts
+++ b/backend/src/api/blocks.ts
@@ -33,7 +33,8 @@ import AccelerationRepository from '../repositories/AccelerationRepository';
 import { calculateFastBlockCpfp, calculateGoodBlockCpfp } from './cpfp';
 import mempool from './mempool';
 import CpfpRepository from '../repositories/CpfpRepository';
-import accelerationApi from './services/acceleration';
+import { parseDATUMTemplateCreator } from '../utils/bitcoin-script';
+import database from '../database';

 class Blocks {
  private blocks: BlockExtended[] = [];
@@ -342,7 +343,12 @@ class Blocks {
          id: pool.uniqueId,
          name: pool.name,
          slug: pool.slug,
+          minerNames: null,
        };
+
+        if (extras.pool.name === 'OCEAN') {
+          extras.pool.minerNames = parseDATUMTemplateCreator(extras.coinbaseRaw);
+        }
      }

      extras.matchRate = null;
@@ -406,8 +412,16 @@ class Blocks {
    }

    try {
+      const blockchainInfo = await bitcoinClient.getBlockchainInfo();
+      const currentBlockHeight = blockchainInfo.blocks;
+      let indexingBlockAmount = Math.min(config.MEMPOOL.INDEXING_BLOCKS_AMOUNT, currentBlockHeight);
+      if (indexingBlockAmount <= -1) {
+        indexingBlockAmount = currentBlockHeight + 1;
+      }
+      const lastBlockToIndex = Math.max(0, currentBlockHeight - indexingBlockAmount + 1);
+
      // Get all indexed block hash
-      const indexedBlocks = await blocksRepository.$getIndexedBlocks();
+      const indexedBlocks = (await blocksRepository.$getIndexedBlocks()).filter(block => block.height >= lastBlockToIndex);
      const indexedBlockSummariesHashesArray = await BlocksSummariesRepository.$getIndexedSummariesId();

      const indexedBlockSummariesHashes = {}; // Use a map for faster seek during the indexing loop
@@ -1210,6 +1224,11 @@ class Blocks {
    return summary.transactions;
  }

+  public async $getSingleTxFromSummary(hash: string, txid: string): Promise<TransactionClassified | null> {
+    const txs = await this.$getStrippedBlockTransactions(hash);
+    return txs.find(tx => tx.txid === txid) || null;
+  }
+
  /**
   * Get 15 blocks
   * 
@@ -1443,6 +1462,36 @@ class Blocks {
      // not a fatal error, we'll try again next time the indexer runs
    }
  }
+
+  public async $getBlockDefinitionHashes(): Promise<string[] | null> {
+    try {
+      const [rows]: any = await database.query(`SELECT DISTINCT(definition_hash) FROM blocks`);
+      if (rows && Array.isArray(rows)) {
+        return rows.map(r => r.definition_hash);
+      } else {
+        logger.debug(`Unable to retreive list of blocks.definition_hash from db (no result)`);
+        return null;
+      }
+    } catch (e) {
+      logger.debug(`Unable to retreive list of blocks.definition_hash from db (exception: ${e})`);
+      return null;
+    }
+  }
+
+  public async $getBlocksByDefinitionHash(definitionHash: string): Promise<string[] | null> {
+    try {
+      const [rows]: any = await database.query(`SELECT hash FROM blocks WHERE definition_hash = ?`, [definitionHash]);
+      if (rows && Array.isArray(rows)) {
+        return rows.map(r => r.hash);
+      } else {
+        logger.debug(`Unable to retreive list of blocks for definition hash ${definitionHash} from db (no result)`);
+        return null;
+      }
+    } catch (e) {
+      logger.debug(`Unable to retreive list of blocks for definition hash ${definitionHash} from db (exception: ${e})`);
+      return null;
+    }
+  }
 }

 export default new Blocks();
--- a/backend/src/api/common.ts
+++ b/backend/src/api/common.ts
@@ -79,8 +79,8 @@ export class Common {
    return arr;
  }

-  static findRbfTransactions(added: MempoolTransactionExtended[], deleted: MempoolTransactionExtended[], forceScalable = false): { [txid: string]: MempoolTransactionExtended[] } {
-    const matches: { [txid: string]: MempoolTransactionExtended[] } = {};
+  static findRbfTransactions(added: MempoolTransactionExtended[], deleted: MempoolTransactionExtended[], forceScalable = false): { [txid: string]: { replaced: MempoolTransactionExtended[], replacedBy: TransactionExtended }} {
+    const matches: { [txid: string]: { replaced: MempoolTransactionExtended[], replacedBy: TransactionExtended }} = {};

    // For small N, a naive nested loop is extremely fast, but it doesn't scale
    if (added.length < 1000 && deleted.length < 50 && !forceScalable) {
@@ -95,7 +95,7 @@ export class Common {
              addedTx.vin.some((vin) => vin.txid === deletedVin.txid && vin.vout === deletedVin.vout));
            });
        if (foundMatches?.length) {
-          matches[addedTx.txid] = [...new Set(foundMatches)];
+          matches[addedTx.txid] = { replaced: [...new Set(foundMatches)], replacedBy: addedTx };
        }
      });
    } else {
@@ -123,7 +123,7 @@ export class Common {
            foundMatches.add(deletedTx);
          }
          if (foundMatches.size) {
-            matches[addedTx.txid] = [...foundMatches];
+            matches[addedTx.txid] = { replaced: [...foundMatches], replacedBy: addedTx };
          }
        }
      }
@@ -138,17 +138,17 @@ export class Common {
      const replaced: Set<MempoolTransactionExtended> = new Set();
      for (let i = 0; i < tx.vin.length; i++) {
        const vin = tx.vin[i];
-        const match = spendMap.get(`${vin.txid}:${vin.vout}`);
+        const key = `${vin.txid}:${vin.vout}`;
+        const match = spendMap.get(key);
        if (match && match.txid !== tx.txid) {
          replaced.add(match);
          // remove this tx from the spendMap
          // prevents the same tx being replaced more than once
          for (const replacedVin of match.vin) {
-            const key = `${replacedVin.txid}:${replacedVin.vout}`;
-            spendMap.delete(key);
+            const replacedKey = `${replacedVin.txid}:${replacedVin.vout}`;
+            spendMap.delete(replacedKey);
          }
        }
-        const key = `${vin.txid}:${vin.vout}`;
        spendMap.delete(key);
      }
      if (replaced.size) {
--- a/backend/src/api/database-migration.ts
+++ b/backend/src/api/database-migration.ts
@@ -7,7 +7,7 @@ import cpfpRepository from '../repositories/CpfpRepository';
 import { RowDataPacket } from 'mysql2';

 class DatabaseMigration {
-  private static currentVersion = 82;
+  private static currentVersion = 95;
  private queryTimeout = 3600_000;
  private statisticsAddedIndexed = false;
  private uniqueLogs: string[] = [];
@@ -705,6 +705,431 @@ class DatabaseMigration {
      await this.$fixBadV1AuditBlocks();
      await this.updateToSchemaVersion(82);
    }
+
+    if (databaseSchemaVersion < 83 && isBitcoin === true) {
+      await this.$executeQuery('ALTER TABLE `blocks` ADD first_seen datetime(6) DEFAULT NULL');
+      await this.updateToSchemaVersion(83);
+    }
+
+    // add new pools indexes
+    if (databaseSchemaVersion < 84 && isBitcoin === true) {
+      await this.$executeQuery(`
+        ALTER TABLE \`pools\`
+          ADD INDEX \`slug\` (\`slug\`),
+          ADD INDEX \`unique_id\` (\`unique_id\`)
+      `);
+      await this.updateToSchemaVersion(84);
+    }
+
+    // lightning channels indexes
+    if (databaseSchemaVersion < 85 && isBitcoin === true) {
+      await this.$executeQuery(`
+        ALTER TABLE \`channels\`
+          ADD INDEX \`created\` (\`created\`),
+          ADD INDEX \`capacity\` (\`capacity\`),
+          ADD INDEX \`closing_reason\` (\`closing_reason\`),
+          ADD INDEX \`closing_resolved\` (\`closing_resolved\`)
+      `);
+      await this.updateToSchemaVersion(85);
+    }
+
+    // lightning nodes indexes
+    if (databaseSchemaVersion < 86 && isBitcoin === true) {
+      await this.$executeQuery(`
+        ALTER TABLE \`nodes\`
+          ADD INDEX \`status\` (\`status\`),
+          ADD INDEX \`channels\` (\`channels\`),
+          ADD INDEX \`country_id\` (\`country_id\`),
+          ADD INDEX \`as_number\` (\`as_number\`),
+          ADD INDEX \`first_seen\` (\`first_seen\`)
+      `);
+      await this.updateToSchemaVersion(86);
+    }
+
+    // lightning node sockets indexes
+    if (databaseSchemaVersion < 87 && isBitcoin === true) {
+      await this.$executeQuery('ALTER TABLE `nodes_sockets` ADD INDEX `type` (`type`)');
+      await this.updateToSchemaVersion(87);
+    }
+
+    // lightning stats indexes
+    if (databaseSchemaVersion < 88 && isBitcoin === true) {
+      await this.$executeQuery('ALTER TABLE `lightning_stats` ADD INDEX `added` (`added`)');
+      await this.updateToSchemaVersion(88);
+    }
+
+    // geo names indexes
+    if (databaseSchemaVersion < 89 && isBitcoin === true) {
+      await this.$executeQuery('ALTER TABLE `geo_names` ADD INDEX `names` (`names`)');
+      await this.updateToSchemaVersion(89);
+    }
+
+    // hashrates indexes
+    if (databaseSchemaVersion < 90 && isBitcoin === true) {
+      await this.$executeQuery('ALTER TABLE `hashrates` ADD INDEX `type` (`type`)');
+      await this.updateToSchemaVersion(90);
+    }
+
+    // block audits indexes
+    if (databaseSchemaVersion < 91 && isBitcoin === true) {
+      await this.$executeQuery('ALTER TABLE `blocks_audits` ADD INDEX `time` (`time`)');
+      await this.updateToSchemaVersion(91);
+    }
+
+    // elements_pegs indexes
+    if (databaseSchemaVersion < 92 && config.MEMPOOL.NETWORK === 'liquid') {
+      await this.$executeQuery(`
+        ALTER TABLE \`elements_pegs\`
+          ADD INDEX \`block\` (\`block\`),
+          ADD INDEX \`datetime\` (\`datetime\`),
+          ADD INDEX \`amount\` (\`amount\`),
+          ADD INDEX \`bitcoinaddress\` (\`bitcoinaddress\`),
+          ADD INDEX \`bitcointxid\` (\`bitcointxid\`)
+      `);
+      await this.updateToSchemaVersion(92);
+    }
+
+    // federation_txos indexes
+    if (databaseSchemaVersion < 93 && config.MEMPOOL.NETWORK === 'liquid') {
+      await this.$executeQuery(`
+        ALTER TABLE \`federation_txos\`
+          ADD INDEX \`unspent\` (\`unspent\`),
+          ADD INDEX \`lastblockupdate\` (\`lastblockupdate\`),
+          ADD INDEX \`blocktime\` (\`blocktime\`),
+          ADD INDEX \`emergencyKey\` (\`emergencyKey\`),
+          ADD INDEX \`expiredAt\` (\`expiredAt\`)
+      `);
+      await this.updateToSchemaVersion(93);
+    }
+
+    // Unify database schema for all mempool netwoks
+    // versions above 94 should not use network-specific flags
+    if (databaseSchemaVersion < 94) {
+
+      if (!isBitcoin) {
+        // Apply all the bitcoin specific migrations to non-bitcoin networks: liquid, liquidtestnet and testnet4 (!)
+        // Version 5
+        await this.$executeQuery('ALTER TABLE blocks ADD `reward` double unsigned NOT NULL DEFAULT "0"');
+
+        // Version 6
+        await this.$executeQuery('ALTER TABLE blocks MODIFY `height` integer unsigned NOT NULL DEFAULT "0"');
+        await this.$executeQuery('ALTER TABLE blocks MODIFY `tx_count` smallint unsigned NOT NULL DEFAULT "0"');
+        await this.$executeQuery('ALTER TABLE blocks MODIFY `size` integer unsigned NOT NULL DEFAULT "0"');
+        await this.$executeQuery('ALTER TABLE blocks MODIFY `weight` integer unsigned NOT NULL DEFAULT "0"');
+        await this.$executeQuery('ALTER TABLE blocks MODIFY `difficulty` double NOT NULL DEFAULT "0"');
+        await this.$executeQuery('ALTER TABLE blocks DROP FOREIGN KEY IF EXISTS `blocks_ibfk_1`');
+        await this.$executeQuery('ALTER TABLE pools MODIFY `id` smallint unsigned AUTO_INCREMENT');
+        await this.$executeQuery('ALTER TABLE blocks MODIFY `pool_id` smallint unsigned NULL');
+        await this.$executeQuery('ALTER TABLE blocks ADD FOREIGN KEY (`pool_id`) REFERENCES `pools` (`id`)');
+        await this.$executeQuery('ALTER TABLE blocks ADD `version` integer unsigned NOT NULL DEFAULT "0"');
+        await this.$executeQuery('ALTER TABLE blocks ADD `bits` integer unsigned NOT NULL DEFAULT "0"');
+        await this.$executeQuery('ALTER TABLE blocks ADD `nonce` bigint unsigned NOT NULL DEFAULT "0"');
+        await this.$executeQuery('ALTER TABLE blocks ADD `merkle_root` varchar(65) NOT NULL DEFAULT ""');
+        await this.$executeQuery('ALTER TABLE blocks ADD `previous_block_hash` varchar(65) NULL');
+
+        // Version 7
+        await this.$executeQuery('DROP table IF EXISTS hashrates;');
+        await this.$executeQuery(this.getCreateDailyStatsTableQuery(), await this.$checkIfTableExists('hashrates'));
+
+        // Version 8
+        await this.$executeQuery('ALTER TABLE `hashrates` DROP INDEX `PRIMARY`');
+        await this.$executeQuery('ALTER TABLE `hashrates` ADD `id` int NOT NULL AUTO_INCREMENT PRIMARY KEY FIRST');
+        await this.$executeQuery('ALTER TABLE `hashrates` ADD `share` float NOT NULL DEFAULT "0"');
+        await this.$executeQuery('ALTER TABLE `hashrates` ADD `type` enum("daily", "weekly") DEFAULT "daily"');
+
+        // Version 9
+        await this.$executeQuery('ALTER TABLE `state` CHANGE `name` `name` varchar(100)');
+        await this.$executeQuery('ALTER TABLE `hashrates` ADD UNIQUE `hashrate_timestamp_pool_id` (`hashrate_timestamp`, `pool_id`)');
+
+        // Version 10
+        await this.$executeQuery('ALTER TABLE `blocks` ADD INDEX `blockTimestamp` (`blockTimestamp`)');
+
+        // Version 11
+        await this.$executeQuery(`ALTER TABLE blocks
+          ADD avg_fee INT UNSIGNED NULL,
+          ADD avg_fee_rate INT UNSIGNED NULL
+        `);
+        await this.$executeQuery('ALTER TABLE blocks MODIFY `reward` BIGINT UNSIGNED NOT NULL DEFAULT "0"');
+        await this.$executeQuery('ALTER TABLE blocks MODIFY `median_fee` INT UNSIGNED NOT NULL DEFAULT "0"');
+        await this.$executeQuery('ALTER TABLE blocks MODIFY `fees` INT UNSIGNED NOT NULL DEFAULT "0"');
+
+        // Version 12
+        await this.$executeQuery('ALTER TABLE blocks MODIFY `fees` BIGINT UNSIGNED NOT NULL DEFAULT "0"');
+
+        // Version 13
+        await this.$executeQuery('ALTER TABLE blocks MODIFY `difficulty` DOUBLE UNSIGNED NOT NULL DEFAULT "0"');
+        await this.$executeQuery('ALTER TABLE blocks MODIFY `median_fee` BIGINT UNSIGNED NOT NULL DEFAULT "0"');
+        await this.$executeQuery('ALTER TABLE blocks MODIFY `avg_fee` BIGINT UNSIGNED NOT NULL DEFAULT "0"');
+        await this.$executeQuery('ALTER TABLE blocks MODIFY `avg_fee_rate` BIGINT UNSIGNED NOT NULL DEFAULT "0"');
+
+        // Version 14
+        await this.$executeQuery('ALTER TABLE `hashrates` DROP FOREIGN KEY `hashrates_ibfk_1`');
+        await this.$executeQuery('ALTER TABLE `hashrates` MODIFY `pool_id` SMALLINT UNSIGNED NOT NULL DEFAULT "0"');
+
+        // Version 17
+        await this.$executeQuery('ALTER TABLE `pools` ADD `slug` CHAR(50) NULL');
+
+        // Version 18
+        await this.$executeQuery('ALTER TABLE `blocks` ADD INDEX `hash` (`hash`);');
+
+        // Version 20
+        await this.$executeQuery(this.getCreateBlocksSummariesTableQuery(), await this.$checkIfTableExists('blocks_summaries'));
+
+        // Version 22
+        await this.$executeQuery('DROP TABLE IF EXISTS `difficulty_adjustments`');
+        await this.$executeQuery(this.getCreateDifficultyAdjustmentsTableQuery(), await this.$checkIfTableExists('difficulty_adjustments'));
+
+        // Version 24
+        await this.$executeQuery('DROP TABLE IF EXISTS `blocks_audits`');
+        await this.$executeQuery(this.getCreateBlocksAuditsTableQuery(), await this.$checkIfTableExists('blocks_audits'));
+
+        // Version 25
+        await this.$executeQuery(this.getCreateLightningStatisticsQuery(), await this.$checkIfTableExists('lightning_stats'));
+        await this.$executeQuery(this.getCreateNodesQuery(), await this.$checkIfTableExists('nodes'));
+        await this.$executeQuery(this.getCreateChannelsQuery(), await this.$checkIfTableExists('channels'));
+        await this.$executeQuery(this.getCreateNodesStatsQuery(), await this.$checkIfTableExists('node_stats'));
+
+        // Version 26
+        await this.$executeQuery('ALTER TABLE `lightning_stats` ADD tor_nodes int(11) NOT NULL DEFAULT "0"');
+        await this.$executeQuery('ALTER TABLE `lightning_stats` ADD clearnet_nodes int(11) NOT NULL DEFAULT "0"');
+        await this.$executeQuery('ALTER TABLE `lightning_stats` ADD unannounced_nodes int(11) NOT NULL DEFAULT "0"');
+
+        // Version 27
+        await this.$executeQuery('ALTER TABLE `lightning_stats` ADD avg_capacity bigint(20) unsigned NOT NULL DEFAULT "0"');
+        await this.$executeQuery('ALTER TABLE `lightning_stats` ADD avg_fee_rate int(11) unsigned NOT NULL DEFAULT "0"');
+        await this.$executeQuery('ALTER TABLE `lightning_stats` ADD avg_base_fee_mtokens bigint(20) unsigned NOT NULL DEFAULT "0"');
+        await this.$executeQuery('ALTER TABLE `lightning_stats` ADD med_capacity bigint(20) unsigned NOT NULL DEFAULT "0"');
+        await this.$executeQuery('ALTER TABLE `lightning_stats` ADD med_fee_rate int(11) unsigned NOT NULL DEFAULT "0"');
+        await this.$executeQuery('ALTER TABLE `lightning_stats` ADD med_base_fee_mtokens bigint(20) unsigned NOT NULL DEFAULT "0"');
+
+        // Version 28
+        await this.$executeQuery(`ALTER TABLE lightning_stats MODIFY added DATE`);
+
+        // Version 29
+        await this.$executeQuery(this.getCreateGeoNamesTableQuery(), await this.$checkIfTableExists('geo_names'));
+        await this.$executeQuery('ALTER TABLE `nodes` ADD as_number int(11) unsigned NULL DEFAULT NULL');
+        await this.$executeQuery('ALTER TABLE `nodes` ADD city_id int(11) unsigned NULL DEFAULT NULL');
+        await this.$executeQuery('ALTER TABLE `nodes` ADD country_id int(11) unsigned NULL DEFAULT NULL');
+        await this.$executeQuery('ALTER TABLE `nodes` ADD accuracy_radius int(11) unsigned NULL DEFAULT NULL');
+        await this.$executeQuery('ALTER TABLE `nodes` ADD subdivision_id int(11) unsigned NULL DEFAULT NULL');
+        await this.$executeQuery('ALTER TABLE `nodes` ADD longitude double NULL DEFAULT NULL');
+        await this.$executeQuery('ALTER TABLE `nodes` ADD latitude double NULL DEFAULT NULL');
+
+        // Version 30
+        await this.$executeQuery('ALTER TABLE `geo_names` CHANGE `type` `type` enum("city","country","division","continent","as_organization") NOT NULL');
+
+        // Version 31
+        await this.$executeQuery('ALTER TABLE `prices` ADD `id` int NULL AUTO_INCREMENT UNIQUE');
+        await this.$executeQuery('DROP TABLE IF EXISTS `blocks_prices`');
+        await this.$executeQuery(this.getCreateBlocksPricesTableQuery(), await this.$checkIfTableExists('blocks_prices'));
+
+        // Version 32
+        await this.$executeQuery('ALTER TABLE `blocks_summaries` ADD `template` JSON DEFAULT "[]"');
+
+        // Version 33
+        await this.$executeQuery('ALTER TABLE `geo_names` CHANGE `type` `type` enum("city","country","division","continent","as_organization", "country_iso_code") NOT NULL');
+
+        // Version 34
+        await this.$executeQuery('ALTER TABLE `lightning_stats` ADD clearnet_tor_nodes int(11) NOT NULL DEFAULT "0"');
+    
+        // Version 35
+        await this.$executeQuery('DELETE from `lightning_stats` WHERE added > "2021-09-19"');
+        await this.$executeQuery('ALTER TABLE `lightning_stats` ADD CONSTRAINT added_unique UNIQUE (added);');
+
+        // Version 36
+        await this.$executeQuery('ALTER TABLE `nodes` ADD status TINYINT NOT NULL DEFAULT "1"');
+    
+        // Version 37
+        await this.$executeQuery(this.getCreateLNNodesSocketsTableQuery(), await this.$checkIfTableExists('nodes_sockets'));
+        
+        // Version 38
+        await this.$executeQuery(`TRUNCATE lightning_stats`);
+        await this.$executeQuery(`TRUNCATE node_stats`);
+        await this.$executeQuery('ALTER TABLE `lightning_stats` CHANGE `added` `added` timestamp NULL');
+        await this.$executeQuery('ALTER TABLE `node_stats` CHANGE `added` `added` timestamp NULL');
+        await this.updateToSchemaVersion(38);
+      
+        // Version 39
+        await this.$executeQuery('ALTER TABLE `nodes` ADD alias_search TEXT NULL DEFAULT NULL AFTER `alias`');
+        await this.$executeQuery('ALTER TABLE nodes ADD FULLTEXT(alias_search)');
+
+        // Version 40
+        await this.$executeQuery('ALTER TABLE `nodes` ADD capacity bigint(20) unsigned DEFAULT NULL');
+        await this.$executeQuery('ALTER TABLE `nodes` ADD channels int(11) unsigned DEFAULT NULL');
+        await this.$executeQuery('ALTER TABLE `nodes` ADD INDEX `capacity` (`capacity`);');
+
+        // Version 41
+        await this.$executeQuery('UPDATE channels SET closing_reason = NULL WHERE closing_reason = 1');
+
+        // Version 42
+        await this.$executeQuery('ALTER TABLE `channels` ADD closing_resolved tinyint(1) DEFAULT 0');
+      
+        // Version 43
+        await this.$executeQuery(this.getCreateLNNodeRecordsTableQuery(), await this.$checkIfTableExists('nodes_records'));
+
+        // Version 44
+        await this.$executeQuery('UPDATE blocks_summaries SET template = NULL');
+
+        // Version 45
+        await this.$executeQuery('ALTER TABLE `blocks_audits` ADD fresh_txs JSON DEFAULT "[]"');
+    
+        // Version 48
+        await this.$executeQuery('ALTER TABLE `channels` ADD source_checked tinyint(1) DEFAULT 0');
+        await this.$executeQuery('ALTER TABLE `channels` ADD closing_fee bigint(20) unsigned DEFAULT 0');
+        await this.$executeQuery('ALTER TABLE `channels` ADD node1_funding_balance bigint(20) unsigned DEFAULT 0');
+        await this.$executeQuery('ALTER TABLE `channels` ADD node2_funding_balance bigint(20) unsigned DEFAULT 0');
+        await this.$executeQuery('ALTER TABLE `channels` ADD node1_closing_balance bigint(20) unsigned DEFAULT 0');
+        await this.$executeQuery('ALTER TABLE `channels` ADD node2_closing_balance bigint(20) unsigned DEFAULT 0');
+        await this.$executeQuery('ALTER TABLE `channels` ADD funding_ratio float unsigned DEFAULT NULL');
+        await this.$executeQuery('ALTER TABLE `channels` ADD closed_by varchar(66) DEFAULT NULL');
+        await this.$executeQuery('ALTER TABLE `channels` ADD single_funded tinyint(1) DEFAULT 0');
+        await this.$executeQuery('ALTER TABLE `channels` ADD outputs JSON DEFAULT "[]"');
+
+        // Version 57
+        await this.$executeQuery(`ALTER TABLE nodes MODIFY updated_at datetime NULL`);
+
+        // Version 60
+        await this.$executeQuery('ALTER TABLE `blocks_audits` ADD sigop_txs JSON DEFAULT "[]"');
+
+        // Version 61
+        if (! await this.$checkIfTableExists('blocks_templates')) {
+          await this.$executeQuery('CREATE TABLE blocks_templates AS SELECT id, template FROM blocks_summaries WHERE template != "[]"');
+        }
+        await this.$executeQuery('ALTER TABLE blocks_templates MODIFY template JSON DEFAULT "[]"');
+        await this.$executeQuery('ALTER TABLE blocks_templates ADD PRIMARY KEY (id)');
+        await this.$executeQuery('ALTER TABLE blocks_summaries DROP COLUMN template');
+
+        // Version 62
+        await this.$executeQuery('ALTER TABLE `blocks_audits` ADD expected_fees BIGINT UNSIGNED DEFAULT NULL');
+        await this.$executeQuery('ALTER TABLE `blocks_audits` ADD expected_weight BIGINT UNSIGNED DEFAULT NULL');
+      
+        // Version 63
+        await this.$executeQuery('ALTER TABLE `blocks_audits` ADD fullrbf_txs JSON DEFAULT "[]"');
+    
+        // Version 64
+        await this.$executeQuery('ALTER TABLE `nodes` ADD features text NULL');
+    
+        // Version 65
+        await this.$executeQuery('ALTER TABLE `blocks_audits` ADD accelerated_txs JSON DEFAULT "[]"');
+
+        // Version 67
+        await this.$executeQuery('ALTER TABLE `blocks_summaries` ADD version INT NOT NULL DEFAULT 0');
+        await this.$executeQuery('ALTER TABLE `blocks_summaries` ADD INDEX `version` (`version`)');
+        await this.$executeQuery('ALTER TABLE `blocks_templates` ADD version INT NOT NULL DEFAULT 0');
+        await this.$executeQuery('ALTER TABLE `blocks_templates` ADD INDEX `version` (`version`)');
+
+        // Version 76
+        await this.$executeQuery('ALTER TABLE `blocks_audits` ADD prioritized_txs JSON DEFAULT "[]"');
+
+        // Version 81
+        await this.$executeQuery('ALTER TABLE `blocks_audits` ADD version INT NOT NULL DEFAULT 0');
+        await this.$executeQuery('ALTER TABLE `blocks_audits` ADD INDEX `version` (`version`)');
+        await this.$executeQuery('ALTER TABLE `blocks_audits` ADD unseen_txs JSON DEFAULT "[]"');
+
+        // Version 83
+        await this.$executeQuery('ALTER TABLE `blocks` ADD first_seen datetime(6) DEFAULT NULL');
+
+        // Version 84
+        await this.$executeQuery(`
+          ALTER TABLE \`pools\`
+            ADD INDEX \`slug\` (\`slug\`),
+            ADD INDEX \`unique_id\` (\`unique_id\`)
+        `);
+
+        // Version 85
+        await this.$executeQuery(`
+          ALTER TABLE \`channels\`
+            ADD INDEX \`created\` (\`created\`),
+            ADD INDEX \`capacity\` (\`capacity\`),
+            ADD INDEX \`closing_reason\` (\`closing_reason\`),
+            ADD INDEX \`closing_resolved\` (\`closing_resolved\`)
+        `);
+        
+        // Version 86        
+        await this.$executeQuery(`
+          ALTER TABLE \`nodes\`
+            ADD INDEX \`status\` (\`status\`),
+            ADD INDEX \`channels\` (\`channels\`),
+            ADD INDEX \`country_id\` (\`country_id\`),
+            ADD INDEX \`as_number\` (\`as_number\`),
+            ADD INDEX \`first_seen\` (\`first_seen\`)
+        `);
+
+        // Version 87
+        await this.$executeQuery('ALTER TABLE `nodes_sockets` ADD INDEX `type` (`type`)');
+        await this.updateToSchemaVersion(87);
+        
+        // Version 88
+        await this.$executeQuery('ALTER TABLE `lightning_stats` ADD INDEX `added` (`added`)');
+    
+        // Version 89
+        await this.$executeQuery('ALTER TABLE `geo_names` ADD INDEX `names` (`names`)');
+    
+        // Version 90
+        await this.$executeQuery('ALTER TABLE `hashrates` ADD INDEX `type` (`type`)');
+
+        // Version 91
+        await this.$executeQuery('ALTER TABLE `blocks_audits` ADD INDEX `time` (`time`)');
+      }
+      
+      if (config.MEMPOOL.NETWORK !== 'liquid') {
+        // Apply all the liquid specific migrations to all other networks
+        // Version 68
+        await this.$executeQuery('ALTER TABLE elements_pegs ADD PRIMARY KEY (txid, txindex);');
+        await this.$executeQuery(this.getCreateFederationAddressesTableQuery(), await this.$checkIfTableExists('federation_addresses'));
+        await this.$executeQuery(this.getCreateFederationTxosTableQuery(), await this.$checkIfTableExists('federation_txos'));
+
+        // Version 71
+        await this.$executeQuery('ALTER TABLE `federation_txos` ADD timelock INT NOT NULL DEFAULT 0');
+        await this.$executeQuery('ALTER TABLE `federation_txos` ADD expiredAt INT NOT NULL DEFAULT 0');
+        await this.$executeQuery('ALTER TABLE `federation_txos` ADD emergencyKey TINYINT NOT NULL DEFAULT 0');
+
+        // Version 92
+        await this.$executeQuery(`
+          ALTER TABLE \`elements_pegs\`
+            ADD INDEX \`block\` (\`block\`),
+            ADD INDEX \`datetime\` (\`datetime\`),
+            ADD INDEX \`amount\` (\`amount\`),
+            ADD INDEX \`bitcoinaddress\` (\`bitcoinaddress\`),
+            ADD INDEX \`bitcointxid\` (\`bitcointxid\`)
+        `);
+    
+        // Version 93
+        await this.$executeQuery(`
+          ALTER TABLE \`federation_txos\`
+            ADD INDEX \`unspent\` (\`unspent\`),
+            ADD INDEX \`lastblockupdate\` (\`lastblockupdate\`),
+            ADD INDEX \`blocktime\` (\`blocktime\`),
+            ADD INDEX \`emergencyKey\` (\`emergencyKey\`),
+            ADD INDEX \`expiredAt\` (\`expiredAt\`)
+        `);
+      }
+
+      if (config.MEMPOOL.NETWORK !== 'mainnet') {
+        // Apply all the mainnet specific migrations to all other networks
+        // Version 69
+        await this.$executeQuery(this.getCreateAccelerationsTableQuery(), await this.$checkIfTableExists('accelerations'));
+
+        // Version 70
+        await this.$executeQuery('ALTER TABLE accelerations MODIFY COLUMN added DATETIME;');
+
+        // Version 77
+        await this.$executeQuery('ALTER TABLE `accelerations` ADD requested datetime DEFAULT NULL');
+      }
+      await this.updateToSchemaVersion(94);
+    }
+
+    // blocks pools-v2.json hash
+    if (databaseSchemaVersion < 95) {
+      let poolJsonSha = 'f737d86571d190cf1a1a3cf5fd86b33ba9624254';
+      const [poolJsonShaDb]: any[] = await DB.query(`SELECT string FROM state WHERE name = 'pools_json_sha'`);
+      if (poolJsonShaDb?.length > 0) {
+        poolJsonSha = poolJsonShaDb[0].string;
+      }
+      await this.$executeQuery(`ALTER TABLE blocks ADD definition_hash varchar(255) NOT NULL DEFAULT "${poolJsonSha}"`);
+      await this.$executeQuery('ALTER TABLE blocks ADD INDEX `definition_hash` (`definition_hash`)');
+      await this.updateToSchemaVersion(95);
+    }
  }

  /**
--- a/backend/src/api/disk-cache.ts
+++ b/backend/src/api/disk-cache.ts
@@ -257,6 +257,7 @@ class DiskCache {
          trees: rbfData.rbf.trees,
          expiring: rbfData.rbf.expiring.map(([txid, value]) => ({ key: txid, value })),
          mempool: memPool.getMempool(),
+          spendMap: memPool.getSpendMap(),
        });
      }
    } catch (e) {
--- a/backend/src/api/explorer/channels.routes.ts
+++ b/backend/src/api/explorer/channels.routes.ts
@@ -3,6 +3,8 @@ import { Application, Request, Response } from 'express';
 import channelsApi from './channels.api';
 import { handleError } from '../../utils/api';

+const TXID_REGEX = /^[a-f0-9]{64}$/i;
+
 class ChannelsRoutes {
  constructor() { }

@@ -23,7 +25,7 @@ class ChannelsRoutes {
      const channels = await channelsApi.$searchChannelsById(req.params.search);
      res.json(channels);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to search channels by id');
    }
  }

@@ -39,7 +41,7 @@ class ChannelsRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      res.json(channel);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get channel');
    }
  }

@@ -70,7 +72,7 @@ class ChannelsRoutes {
      res.header('X-Total-Count', channelsCount.toString());
      res.json(channels);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get channels for node');
    }
  }

@@ -83,7 +85,10 @@ class ChannelsRoutes {
      const txIds: string[] = [];
      for (const _txId in req.query.txId) {
        if (typeof req.query.txId[_txId] === 'string') {
-          txIds.push(req.query.txId[_txId].toString());
+          const txid = req.query.txId[_txId].toString();
+          if (TXID_REGEX.test(txid)) {
+            txIds.push(txid);
+          }
        }
      }
      const channels = await channelsApi.$getChannelsByTransactionId(txIds);
@@ -108,7 +113,7 @@ class ChannelsRoutes {

      res.json(result);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get channels by transaction ids');
    }
  }

@@ -120,7 +125,7 @@ class ChannelsRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      res.json(channels);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get penalty closed channels');
    }
  }

@@ -133,7 +138,7 @@ class ChannelsRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      res.json(channels);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get channel geodata');
    }
  }

--- a/backend/src/api/explorer/general.routes.ts
+++ b/backend/src/api/explorer/general.routes.ts
@@ -29,7 +29,7 @@ class GeneralLightningRoutes {
        channels: channels,
      });
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to search for nodes and channels');
    }
  }

@@ -43,7 +43,7 @@ class GeneralLightningRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      res.json(statistics);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get lightning statistics');
    }
  }

@@ -52,7 +52,7 @@ class GeneralLightningRoutes {
      const statistics = await statisticsApi.$getLatestStatistics();
      res.json(statistics);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get lightning statistics');
    }
  }
 }
--- a/backend/src/api/explorer/nodes.routes.ts
+++ b/backend/src/api/explorer/nodes.routes.ts
@@ -32,7 +32,7 @@ class NodesRoutes {
      const nodes = await nodesApi.$searchNodeByPublicKeyOrAlias(req.params.search);
      res.json(nodes);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to search for node');
    }
  }

@@ -188,7 +188,7 @@ class NodesRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      res.json(nodes);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get node group');
    }
  }

@@ -204,7 +204,7 @@ class NodesRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      res.json(node);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get node');
    }
  }

@@ -216,7 +216,7 @@ class NodesRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      res.json(statistics);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get historical node stats');
    }
  }

@@ -232,7 +232,7 @@ class NodesRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      res.json(node);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get fee histogram');
    }
  }

@@ -248,7 +248,7 @@ class NodesRoutes {
        topByChannels: topChannelsNodes,
      });
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get nodes ranking');
    }
  }

@@ -260,7 +260,7 @@ class NodesRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      res.json(topCapacityNodes);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get top nodes by capacity');
    }
  }

@@ -272,7 +272,7 @@ class NodesRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      res.json(topCapacityNodes);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get top nodes by channels');
    }
  }

@@ -284,7 +284,7 @@ class NodesRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      res.json(topCapacityNodes);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get oldest nodes');
    }
  }

@@ -296,7 +296,7 @@ class NodesRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 600).toUTCString());
      res.json(nodesPerAs);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get ISP ranking');
    }
  }

@@ -308,7 +308,7 @@ class NodesRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 600).toUTCString());
      res.json(worldNodes);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get world nodes');
    }
  }

@@ -336,7 +336,7 @@ class NodesRoutes {
        nodes: nodes,
      });
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get nodes per country');
    }
  }

@@ -363,7 +363,7 @@ class NodesRoutes {
        nodes: nodes,
      });
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get nodes per ISP');
    }
  }

@@ -375,7 +375,7 @@ class NodesRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 600).toUTCString());
      res.json(nodesPerAs);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get nodes per country');
    }
  }
 }
--- a/backend/src/api/liquid/liquid.routes.ts
+++ b/backend/src/api/liquid/liquid.routes.ts
@@ -83,7 +83,7 @@ class LiquidRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60 * 60).toUTCString());
      res.json(pegs);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get pegs by month');
    }
  }

@@ -95,7 +95,7 @@ class LiquidRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60 * 60).toUTCString());
      res.json(reserves);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get reserves by month');
    }
  }

@@ -107,7 +107,7 @@ class LiquidRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
      res.json(currentSupply);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get pegs');
    }
  }

@@ -119,7 +119,7 @@ class LiquidRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
      res.json(currentReserves);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get reserves');
    }
  }

@@ -131,7 +131,7 @@ class LiquidRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
      res.json(auditStatus);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get federation audit status');
    }
  }

@@ -143,7 +143,7 @@ class LiquidRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
      res.json(federationAddresses);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get federation addresses');
    }
  }

@@ -155,7 +155,7 @@ class LiquidRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
      res.json(federationAddresses);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get federation addresses');
    }
  }

@@ -167,7 +167,7 @@ class LiquidRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
      res.json(federationUtxos);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get federation utxos');
    }
  }

@@ -179,7 +179,7 @@ class LiquidRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
      res.json(expiredUtxos);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get expired utxos');
    }
  }

@@ -191,7 +191,7 @@ class LiquidRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
      res.json(federationUtxos);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get federation utxos number');
    }
  }

@@ -203,7 +203,7 @@ class LiquidRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
      res.json(emergencySpentUtxos);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get emergency spent utxos');
    }
  }

@@ -215,7 +215,7 @@ class LiquidRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
      res.json(emergencySpentUtxos);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get emergency spent utxos stats');
    }
  }

@@ -227,7 +227,7 @@ class LiquidRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
      res.json(recentPegs);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get pegs list');
    }
  }

@@ -239,7 +239,7 @@ class LiquidRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
      res.json(pegsVolume);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get pegs volume daily');
    }
  }

@@ -251,7 +251,7 @@ class LiquidRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
      res.json(pegsCount);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get pegs count');
    }
  }

--- a/backend/src/api/mempool-blocks.ts
+++ b/backend/src/api/mempool-blocks.ts
@@ -369,7 +369,7 @@ class MempoolBlocks {
    const lastBlockIndex = blocks.length - 1;
    let hasBlockStack = blocks.length >= 8;
    let stackWeight;
-    let feeStatsCalculator: OnlineFeeStatsCalculator | void;
+    let feeStatsCalculator: OnlineFeeStatsCalculator | null = null;
    if (hasBlockStack) {
      if (blockWeights && blockWeights[7] !== null) {
        stackWeight = blockWeights[7];
@@ -380,28 +380,36 @@ class MempoolBlocks {
      feeStatsCalculator = new OnlineFeeStatsCalculator(stackWeight, 0.5, [10, 20, 30, 40, 50, 60, 70, 80, 90]);
    }

+    const ancestors: Ancestor[] = [];
+    const descendants: Ancestor[] = [];
+    let ancestor: MempoolTransactionExtended;
    for (const cluster of clusters) {
      for (const memberTxid of cluster) {
        const mempoolTx = mempool[memberTxid];
        if (mempoolTx) {
-          const ancestors: Ancestor[] = [];
-          const descendants: Ancestor[] = [];
+          // ugly micro-optimization to avoid allocating new arrays
+          ancestors.length = 0;
+          descendants.length = 0;
          let matched = false;
          cluster.forEach(txid => {
+            ancestor = mempool[txid];
            if (txid === memberTxid) {
              matched = true;
            } else {
-              if (!mempool[txid]) {
+              if (!ancestor) {
                console.log('txid missing from mempool! ', txid, candidates?.txs[txid]);
+                return;
              }
              const relative = {
                txid: txid,
-                fee: mempool[txid].fee,
-                weight: (mempool[txid].adjustedVsize * 4),
+                fee: ancestor.fee,
+                weight: (ancestor.adjustedVsize * 4),
              };
              if (matched) {
                descendants.push(relative);
-                mempoolTx.lastBoosted = Math.max(mempoolTx.lastBoosted || 0, mempool[txid].firstSeen || 0);
+                if (!mempoolTx.lastBoosted || (ancestor.firstSeen && ancestor.firstSeen > mempoolTx.lastBoosted)) {
+                  mempoolTx.lastBoosted = ancestor.firstSeen;
+                }
              } else {
                ancestors.push(relative);
              }
@@ -410,7 +418,20 @@ class MempoolBlocks {
          if (mempoolTx.ancestors?.length !== ancestors.length || mempoolTx.descendants?.length !== descendants.length) {
            mempoolTx.cpfpDirty = true;
          }
-          Object.assign(mempoolTx, {ancestors, descendants, bestDescendant: null, cpfpChecked: true});
+          // ugly micro-optimization to avoid allocating new arrays or objects
+          if (mempoolTx.ancestors) {
+            mempoolTx.ancestors.length = 0;
+          } else {
+            mempoolTx.ancestors = [];
+          }
+          if (mempoolTx.descendants) {
+            mempoolTx.descendants.length = 0;
+          } else {
+            mempoolTx.descendants = [];
+          }
+          mempoolTx.ancestors.push(...ancestors);
+          mempoolTx.descendants.push(...descendants);
+          mempoolTx.cpfpChecked = true;
        }
      }
    }
@@ -420,7 +441,10 @@ class MempoolBlocks {
    const sizeLimit = (config.MEMPOOL.BLOCK_WEIGHT_UNITS / 4) * 1.2;
    // update this thread's mempool with the results
    let mempoolTx: MempoolTransactionExtended;
-    const mempoolBlocks: MempoolBlockWithTransactions[] = blocks.map((block, blockIndex) => {
+    let acceleration: Acceleration;
+    const mempoolBlocks: MempoolBlockWithTransactions[] = [];
+    for (let blockIndex = 0; blockIndex < blocks.length; blockIndex++) {
+      const block = blocks[blockIndex];
      let totalSize = 0;
      let totalVsize = 0;
      let totalWeight = 0;
@@ -436,8 +460,9 @@ class MempoolBlocks {
        }
      }

-      for (const txid of block) {
-        if (txid) {
+      for (let i = 0; i < block.length; i++) {
+        const txid = block[i];
+        if (txid in mempool) {
          mempoolTx = mempool[txid];
          // save position in projected blocks
          mempoolTx.position = {
@@ -445,30 +470,40 @@ class MempoolBlocks {
            vsize: totalVsize + (mempoolTx.vsize / 2),
          };

-          const acceleration = accelerations[txid];
-          if (isAcceleratedBy[txid] || (acceleration && (!accelerationPool || acceleration.pools.includes(accelerationPool)))) {
-            if (!mempoolTx.acceleration) {
-              mempoolTx.cpfpDirty = true;
-            }
-            mempoolTx.acceleration = true;
-            mempoolTx.acceleratedBy = isAcceleratedBy[txid] || acceleration?.pools;
-            mempoolTx.acceleratedAt = acceleration?.added;
-            mempoolTx.feeDelta = acceleration?.feeDelta;
-            for (const ancestor of mempoolTx.ancestors || []) {
-              if (!mempool[ancestor.txid].acceleration) {
-                mempool[ancestor.txid].cpfpDirty = true;
+          if (txid in accelerations) {
+            acceleration = accelerations[txid];
+            if (isAcceleratedBy[txid] || (acceleration && (!accelerationPool || acceleration.pools.includes(accelerationPool)))) {
+              if (!mempoolTx.acceleration) {
+                mempoolTx.cpfpDirty = true;
+              }
+              mempoolTx.acceleration = true;
+              mempoolTx.acceleratedBy = isAcceleratedBy[txid] || acceleration?.pools;
+              mempoolTx.acceleratedAt = acceleration?.added;
+              mempoolTx.feeDelta = acceleration?.feeDelta;
+              for (const ancestor of mempoolTx.ancestors || []) {
+                if (!(ancestor.txid in mempool)) {
+                  continue;
+                }
+                if (!mempool[ancestor.txid].acceleration) {
+                  mempool[ancestor.txid].cpfpDirty = true;
+                }
+                mempool[ancestor.txid].acceleration = true;
+                mempool[ancestor.txid].acceleratedBy = mempoolTx.acceleratedBy;
+                mempool[ancestor.txid].acceleratedAt = mempoolTx.acceleratedAt;
+                mempool[ancestor.txid].feeDelta = mempoolTx.feeDelta;
+                isAcceleratedBy[ancestor.txid] = mempoolTx.acceleratedBy;
+              }
+            } else {
+              if (mempoolTx.acceleration) {
+                mempoolTx.cpfpDirty = true;
+                delete mempoolTx.acceleration;
              }
-              mempool[ancestor.txid].acceleration = true;
-              mempool[ancestor.txid].acceleratedBy = mempoolTx.acceleratedBy;
-              mempool[ancestor.txid].acceleratedAt = mempoolTx.acceleratedAt;
-              mempool[ancestor.txid].feeDelta = mempoolTx.feeDelta;
-              isAcceleratedBy[ancestor.txid] = mempoolTx.acceleratedBy;
            }
          } else {
            if (mempoolTx.acceleration) {
              mempoolTx.cpfpDirty = true;
+              delete mempoolTx.acceleration;
            }
-            delete mempoolTx.acceleration;
          }

          // online calculation of stack-of-blocks fee stats
@@ -486,7 +521,7 @@ class MempoolBlocks {
          }
        }
      }
-      return this.dataToMempoolBlocks(
+      mempoolBlocks[blockIndex] = this.dataToMempoolBlocks(
        block,
        transactions,
        totalSize,
@@ -494,7 +529,7 @@ class MempoolBlocks {
        totalFees,
        (hasBlockStack && blockIndex === lastBlockIndex && feeStatsCalculator) ? feeStatsCalculator.getRawFeeStats() : undefined,
      );
-    });
+    };

    if (saveResults) {
      const deltas = this.calculateMempoolDeltas(this.mempoolBlocks, mempoolBlocks);
@@ -656,7 +691,7 @@ class MempoolBlocks {
      [pool: string]: { name: string, block: number, vsize: number, accelerations: string[], complete: boolean };
    } = {};
    // prepare a list of accelerations in ascending order (we'll pop items off the end of the list)
-    const accQueue: { acceleration: Acceleration, rate: number, vsize: number }[] = Object.values(accelerations).map(acc => {
+    const accQueue: { acceleration: Acceleration, rate: number, vsize: number }[] = Object.values(accelerations).filter(acc => acc.txid in mempoolCache).map(acc => {
      let vsize = mempoolCache[acc.txid].vsize;
      for (const ancestor of mempoolCache[acc.txid].ancestors || []) {
        vsize += (ancestor.weight / 4);
--- a/backend/src/api/mempool.ts
+++ b/backend/src/api/mempool.ts
@@ -10,6 +10,7 @@ import bitcoinClient from './bitcoin/bitcoin-client';
 import bitcoinSecondClient from './bitcoin/bitcoin-second-client';
 import rbfCache from './rbf-cache';
 import { Acceleration } from './services/acceleration';
+import accelerationApi from './services/acceleration';
 import redisCache from './redis-cache';
 import blocks from './blocks';

@@ -19,12 +20,13 @@ class Mempool {
  private mempoolCache: { [txId: string]: MempoolTransactionExtended } = {};
  private mempoolCandidates: { [txid: string ]: boolean } = {};
  private spendMap = new Map<string, MempoolTransactionExtended>();
+  private recentlyDeleted: MempoolTransactionExtended[][] = []; // buffer of transactions deleted in recent mempool updates
  private mempoolInfo: IBitcoinApi.MempoolInfo = { loaded: false, size: 0, bytes: 0, usage: 0, total_fee: 0,
                                                    maxmempool: 300000000, mempoolminfee: Common.isLiquid() ? 0.00000100 : 0.00001000, minrelaytxfee: Common.isLiquid() ? 0.00000100 : 0.00001000 };
  private mempoolChangedCallback: ((newMempool: {[txId: string]: MempoolTransactionExtended; }, newTransactions: MempoolTransactionExtended[],
-    deletedTransactions: MempoolTransactionExtended[], accelerationDelta: string[]) => void) | undefined;
+    deletedTransactions: MempoolTransactionExtended[][], accelerationDelta: string[]) => void) | undefined;
  private $asyncMempoolChangedCallback: ((newMempool: {[txId: string]: MempoolTransactionExtended; }, mempoolSize: number, newTransactions: MempoolTransactionExtended[],
-    deletedTransactions: MempoolTransactionExtended[], accelerationDelta: string[], candidates?: GbtCandidates) => Promise<void>) | undefined;
+    deletedTransactions: MempoolTransactionExtended[][], accelerationDelta: string[], candidates?: GbtCandidates) => Promise<void>) | undefined;

  private accelerations: { [txId: string]: Acceleration } = {};
  private accelerationPositions: { [txid: string]: { poolId: number, pool: string, block: number, vsize: number }[] } = {};
@@ -74,12 +76,12 @@ class Mempool {
  }

  public setMempoolChangedCallback(fn: (newMempool: { [txId: string]: MempoolTransactionExtended; },
-    newTransactions: MempoolTransactionExtended[], deletedTransactions: MempoolTransactionExtended[], accelerationDelta: string[]) => void): void {
+    newTransactions: MempoolTransactionExtended[], deletedTransactions: MempoolTransactionExtended[][], accelerationDelta: string[]) => void): void {
    this.mempoolChangedCallback = fn;
  }

  public setAsyncMempoolChangedCallback(fn: (newMempool: { [txId: string]: MempoolTransactionExtended; }, mempoolSize: number,
-    newTransactions: MempoolTransactionExtended[], deletedTransactions: MempoolTransactionExtended[], accelerationDelta: string[],
+    newTransactions: MempoolTransactionExtended[], deletedTransactions: MempoolTransactionExtended[][], accelerationDelta: string[],
    candidates?: GbtCandidates) => Promise<void>): void {
    this.$asyncMempoolChangedCallback = fn;
  }
@@ -206,7 +208,7 @@ class Mempool {
    return txTimes;
  }

-  public async $updateMempool(transactions: string[], accelerations: Acceleration[] | null, minFeeMempool: string[], minFeeTip: number, pollRate: number): Promise<void> {
+  public async $updateMempool(transactions: string[], accelerations: Record<string, Acceleration> | null, minFeeMempool: string[], minFeeTip: number, pollRate: number): Promise<void> {
    logger.debug(`Updating mempool...`);

    // warn if this run stalls the main loop for more than 2 minutes
@@ -353,7 +355,7 @@ class Mempool {
    const newTransactionsStripped = newTransactions.map((tx) => Common.stripTransaction(tx));
    this.latestTransactions = newTransactionsStripped.concat(this.latestTransactions).slice(0, 6);

-    const accelerationDelta = accelerations != null ? await this.$updateAccelerations(accelerations) : [];
+    const accelerationDelta = accelerations != null ? await this.updateAccelerations(accelerations) : [];
    if (accelerationDelta.length) {
      hasChange = true;
    }
@@ -362,12 +364,15 @@ class Mempool {

    const candidatesChanged = candidates?.added?.length || candidates?.removed?.length;

-    if (this.mempoolChangedCallback && (hasChange || deletedTransactions.length)) {
-      this.mempoolChangedCallback(this.mempoolCache, newTransactions, deletedTransactions, accelerationDelta);
+    this.recentlyDeleted.unshift(deletedTransactions);
+    this.recentlyDeleted.length = Math.min(this.recentlyDeleted.length, 10); // truncate to the last 10 mempool updates
+
+    if (this.mempoolChangedCallback && (hasChange || newTransactions.length || deletedTransactions.length)) {
+      this.mempoolChangedCallback(this.mempoolCache, newTransactions, this.recentlyDeleted, accelerationDelta);
    }
-    if (this.$asyncMempoolChangedCallback && (hasChange || deletedTransactions.length || candidatesChanged)) {
+    if (this.$asyncMempoolChangedCallback && (hasChange || newTransactions.length || deletedTransactions.length || candidatesChanged)) {
      this.updateTimerProgress(timer, 'running async mempool callback');
-      await this.$asyncMempoolChangedCallback(this.mempoolCache, newMempoolSize, newTransactions, deletedTransactions, accelerationDelta, candidates);
+      await this.$asyncMempoolChangedCallback(this.mempoolCache, newMempoolSize, newTransactions, this.recentlyDeleted, accelerationDelta, candidates);
      this.updateTimerProgress(timer, 'completed async mempool callback');
    }

@@ -395,58 +400,11 @@ class Mempool {
    return this.accelerations;
  }

-  public $updateAccelerations(newAccelerations: Acceleration[]): string[] {
+  public updateAccelerations(newAccelerationMap: Record<string, Acceleration>): string[] {
    try {
-      const changed: string[] = [];
-
-      const newAccelerationMap: { [txid: string]: Acceleration } = {};
-      for (const acceleration of newAccelerations) {
-        // skip transactions we don't know about
-        if (!this.mempoolCache[acceleration.txid]) {
-          continue;
-        }
-        newAccelerationMap[acceleration.txid] = acceleration;
-        if (this.accelerations[acceleration.txid] == null) {
-          // new acceleration
-          changed.push(acceleration.txid);
-        } else {
-          if (this.accelerations[acceleration.txid].feeDelta !== acceleration.feeDelta) {
-            // feeDelta changed
-            changed.push(acceleration.txid);
-          } else if (this.accelerations[acceleration.txid].pools?.length) {
-            let poolsChanged = false;
-            const pools = new Set();
-            this.accelerations[acceleration.txid].pools.forEach(pool => {
-              pools.add(pool);
-            });
-            acceleration.pools.forEach(pool => {
-              if (!pools.has(pool)) {
-                poolsChanged = true;
-              } else {
-                pools.delete(pool);
-              }
-            });
-            if (pools.size > 0) {
-              poolsChanged = true;
-            }
-            if (poolsChanged) {
-              // pools changed
-              changed.push(acceleration.txid);
-            }
-          }
-        }
-      }
-
-      for (const oldTxid of Object.keys(this.accelerations)) {
-        if (!newAccelerationMap[oldTxid]) {
-          // removed
-          changed.push(oldTxid);
-        }
-      }
-
+      const accelerationDelta = accelerationApi.getAccelerationDelta(this.accelerations, newAccelerationMap);
      this.accelerations = newAccelerationMap;
-
-      return changed;
+      return accelerationDelta;
    } catch (e: any) {
      logger.debug(`Failed to update accelerations: ` + (e instanceof Error ? e.message : e));
      return [];
@@ -541,16 +499,7 @@ class Mempool {
    }
  }

-  public handleRbfTransactions(rbfTransactions: { [txid: string]: MempoolTransactionExtended[]; }): void {
-    for (const rbfTransaction in rbfTransactions) {
-      if (this.mempoolCache[rbfTransaction] && rbfTransactions[rbfTransaction]?.length) {
-        // Store replaced transactions
-        rbfCache.add(rbfTransactions[rbfTransaction], this.mempoolCache[rbfTransaction]);
-      }
-    }
-  }
-
-  public handleMinedRbfTransactions(rbfTransactions: { [txid: string]: { replaced: MempoolTransactionExtended[], replacedBy: TransactionExtended }}): void {
+  public handleRbfTransactions(rbfTransactions: { [txid: string]: { replaced: MempoolTransactionExtended[], replacedBy: TransactionExtended }}): void {
    for (const rbfTransaction in rbfTransactions) {
      if (rbfTransactions[rbfTransaction].replacedBy && rbfTransactions[rbfTransaction]?.replaced?.length) {
        // Store replaced transactions
--- a/backend/src/api/mining/mining-routes.ts
+++ b/backend/src/api/mining/mining-routes.ts
@@ -72,7 +72,7 @@ class MiningRoutes {
      }
      res.status(200).send(response);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get historical prices');
    }
  }

@@ -87,7 +87,7 @@ class MiningRoutes {
      if (e instanceof Error && e.message.indexOf('This mining pool does not exist') > -1) {
        handleError(req, res, 404, e.message);
      } else {
-        handleError(req, res, 500, e instanceof Error ? e.message : e);
+        handleError(req, res, 500, 'Failed to get pool');
      }
    }
  }
@@ -106,7 +106,7 @@ class MiningRoutes {
      if (e instanceof Error && e.message.indexOf('This mining pool does not exist') > -1) {
        handleError(req, res, 404, e.message);
      } else {
-        handleError(req, res, 500, e instanceof Error ? e.message : e);
+        handleError(req, res, 500, 'Failed to get blocks for pool');
      }
    }
  }
@@ -130,7 +130,7 @@ class MiningRoutes {
        res.json(pools);
      }
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get pools');
    }
  }

@@ -144,7 +144,7 @@ class MiningRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      res.json(stats);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get pools');
    }
  }

@@ -158,7 +158,7 @@ class MiningRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 300).toUTCString());
      res.json(hashrates);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get pools historical hashrate');
    }
  }

@@ -175,7 +175,7 @@ class MiningRoutes {
      if (e instanceof Error && e.message.indexOf('This mining pool does not exist') > -1) {
        handleError(req, res, 404, e.message);
      } else {
-        handleError(req, res, 500, e instanceof Error ? e.message : e);
+        handleError(req, res, 500, 'Failed to get pool historical hashrate');
      }
    }
  }
@@ -183,7 +183,7 @@ class MiningRoutes {
  private async $getHistoricalHashrate(req: Request, res: Response) {
    let currentHashrate = 0, currentDifficulty = 0;
    try {
-      currentHashrate = await bitcoinClient.getNetworkHashPs();
+      currentHashrate = await bitcoinClient.getNetworkHashPs(1008);
      currentDifficulty = await bitcoinClient.getDifficulty();
    } catch (e) {
      logger.debug('Bitcoin Core is not available, using zeroed value for current hashrate and difficulty');
@@ -204,7 +204,7 @@ class MiningRoutes {
        currentDifficulty: currentDifficulty,
      });
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get historical hashrate');
    }
  }

@@ -218,7 +218,7 @@ class MiningRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      res.json(blockFees);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get historical block fees');
    }
  }

@@ -236,7 +236,7 @@ class MiningRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      res.json(blockFees);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get historical block fees');
    }
  }

@@ -250,7 +250,7 @@ class MiningRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      res.json(blockRewards);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get historical block rewards');
    }
  }

@@ -264,7 +264,7 @@ class MiningRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      res.json(blockFeeRates);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get historical block fee rates');
    }
  }

@@ -282,7 +282,7 @@ class MiningRoutes {
        weights: blockWeights
      });
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get historical block size and weight');
    }
  }

@@ -294,7 +294,7 @@ class MiningRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 300).toUTCString());
      res.json(difficulty.map(adj => [adj.time, adj.height, adj.difficulty, adj.adjustment]));
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get historical difficulty adjustments');
    }
  }

@@ -304,7 +304,7 @@ class MiningRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      res.json(response);
    } catch (e) {
-      res.status(500).end();
+      handleError(req, res, 500, 'Failed to get reward stats');
    }
  }

@@ -318,7 +318,7 @@ class MiningRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      res.json(blocksHealth.map(health => [health.time, health.height, health.match_rate]));
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get historical blocks health');
    }
  }

@@ -336,7 +336,7 @@ class MiningRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 3600 * 24).toUTCString());
      res.json(audit);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get block audit');
    }
  }

@@ -359,7 +359,7 @@ class MiningRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 300).toUTCString());
      res.json(result);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get height from timestamp');
    }
  }

@@ -372,7 +372,7 @@ class MiningRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      res.json(await BlocksAuditsRepository.$getBlockAuditScores(height, height - 15));
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get block audit scores');
    }
  }

@@ -385,7 +385,7 @@ class MiningRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 3600 * 24).toUTCString());
      res.json(audit || 'null');
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get block audit score');
    }
  }

@@ -400,7 +400,7 @@ class MiningRoutes {
      }
      res.status(200).send(await AccelerationRepository.$getAccelerationInfo(req.params.slug));
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get accelerations by pool');
    }
  }

@@ -416,7 +416,7 @@ class MiningRoutes {
      const height = req.params.height === undefined ? undefined : parseInt(req.params.height, 10);
      res.status(200).send(await AccelerationRepository.$getAccelerationInfo(null, height));
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get accelerations by height');
    }
  }

@@ -431,7 +431,7 @@ class MiningRoutes {
      }
      res.status(200).send(await AccelerationRepository.$getAccelerationInfo(null, null, req.params.interval));
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get recent accelerations');
    }
  }

@@ -446,7 +446,7 @@ class MiningRoutes {
      }
      res.status(200).send(await AccelerationRepository.$getAccelerationTotals(<string>req.query.pool, <string>req.query.interval));
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get acceleration totals');
    }
  }

@@ -459,9 +459,9 @@ class MiningRoutes {
        handleError(req, res, 400, 'Acceleration data is not available.');
        return;
      }
-      res.status(200).send(accelerationApi.accelerations || []);
+      res.status(200).send(Object.values(accelerationApi.getAccelerations() || {}));
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get active accelerations');
    }
  }

@@ -473,7 +473,7 @@ class MiningRoutes {
      accelerationApi.accelerationRequested(req.params.txid);
      res.status(200).send();
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to request acceleration');
    }
  }
 }
--- a/backend/src/api/mining/mining.ts
+++ b/backend/src/api/mining/mining.ts
@@ -136,9 +136,13 @@ class Mining {
    poolsStatistics['blockCount'] = blockCount;

    const totalBlock24h: number = await BlocksRepository.$blockCount(null, '24h');
+    const totalBlock3d: number = await BlocksRepository.$blockCount(null, '3d');
+    const totalBlock1w: number = await BlocksRepository.$blockCount(null, '1w');

    try {
      poolsStatistics['lastEstimatedHashrate'] = await bitcoinClient.getNetworkHashPs(totalBlock24h);
+      poolsStatistics['lastEstimatedHashrate3d'] = await bitcoinClient.getNetworkHashPs(totalBlock3d);
+      poolsStatistics['lastEstimatedHashrate1w'] = await bitcoinClient.getNetworkHashPs(totalBlock1w);
    } catch (e) {
      poolsStatistics['lastEstimatedHashrate'] = 0;
      logger.debug('Bitcoin Core is not available, using zeroed value for current hashrate', logger.tags.mining);
--- a/backend/src/api/pools-parser.ts
+++ b/backend/src/api/pools-parser.ts
@@ -19,15 +19,6 @@ class PoolsParser {
    'addresses': '[]',
    'slug': 'unknown'
  };
-  private uniqueLogs: string[] = [];
-
-  private uniqueLog(loggerFunction: any, msg: string): void {
-    if (this.uniqueLogs.includes(msg)) {
-      return;
-    }
-    this.uniqueLogs.push(msg);
-    loggerFunction(msg);
-  }

  public setMiningPools(pools): void {
    for (const pool of pools) {
--- a/backend/src/api/prices/prices.routes.ts
+++ b/backend/src/api/prices/prices.routes.ts
@@ -1,10 +1,15 @@
 import { Application, Request, Response } from 'express';
 import config from '../../config';
 import pricesUpdater from '../../tasks/price-updater';
+import logger from '../../logger';
+import PricesRepository from '../../repositories/PricesRepository';

 class PricesRoutes {
  public initRoutes(app: Application): void {
-    app.get(config.MEMPOOL.API_URL_PREFIX + 'prices', this.$getCurrentPrices.bind(this));
+    app
+      .get(config.MEMPOOL.API_URL_PREFIX + 'prices', this.$getCurrentPrices.bind(this))
+      .get(config.MEMPOOL.API_URL_PREFIX + 'internal/usd-price-history', this.$getAllPrices.bind(this))
+    ;
  }

  private $getCurrentPrices(req: Request, res: Response): void {
@@ -14,6 +19,23 @@ class PricesRoutes {

    res.json(pricesUpdater.getLatestPrices());
  }
+
+  private async $getAllPrices(req: Request, res: Response): Promise<void> {
+    res.header('Pragma', 'public');
+    res.header('Cache-control', 'public');
+    res.setHeader('Expires', new Date(Date.now() + 360_0000 / config.MEMPOOL.PRICE_UPDATES_PER_HOUR).toUTCString());
+
+    try {
+      const usdPriceHistory = await PricesRepository.$getPricesTimesAndId();
+      const responseData = usdPriceHistory.map(p => {
+        return { time: p.time, USD: p.USD };
+      });
+      res.status(200).json(responseData);
+    } catch (e: any) {
+      logger.err(`Exception ${e} in PricesRoutes::$getAllPrices. Code: ${e.code}. Message: ${e.message}`);
+      res.status(403).send();
+    }
+  }
 }

 export default new PricesRoutes();
--- a/backend/src/api/rbf-cache.ts
+++ b/backend/src/api/rbf-cache.ts
@@ -44,6 +44,22 @@ interface CacheEvent {
  value?: any,
 }

+/**
+ * Singleton for tracking RBF trees
+ *
+ * Maintains a set of RBF trees, where each tree represents a sequence of
+ * consecutive RBF replacements.
+ *
+ * Trees are identified by the txid of the root transaction.
+ *
+ * To maintain consistency, the following invariants must be upheld:
+ *  - Symmetry: replacedBy(A) = B <=> A in replaces(B)
+ *  - Unique id: treeMap(treeMap(X)) = treeMap(X)
+ *  - Unique tree: A in replaces(B) => treeMap(A) == treeMap(B)
+ *  - Existence: X in treeMap => treeMap(X) in rbfTrees
+ *  - Completeness: X in replacedBy => X in treeMap, Y in replaces => Y in treeMap
+ */
+
 class RbfCache {
  private replacedBy: Map<string, string> = new Map();
  private replaces: Map<string, string[]> = new Map();
@@ -61,6 +77,10 @@ class RbfCache {
    setInterval(this.cleanup.bind(this), 1000 * 60 * 10);
  }

+  /**
+   * Low level cache operations
+   */
+
  private addTx(txid: string, tx: MempoolTransactionExtended): void {
    this.txs.set(txid, tx);
    this.cacheQueue.push({ op: CacheOp.Add, type: 'tx', txid });
@@ -92,8 +112,18 @@ class RbfCache {
    this.cacheQueue.push({ op: CacheOp.Remove, type: 'exp', txid });
  }

+  /**
+   * Basic data structure operations
+   * must uphold tree invariants
+   */
+
+
  public add(replaced: MempoolTransactionExtended[], newTxExtended: MempoolTransactionExtended): void {
-    if (!newTxExtended || !replaced?.length || this.txs.has(newTxExtended.txid)) {
+    if ( !newTxExtended
+      || !replaced?.length
+      || this.txs.has(newTxExtended.txid)
+      || !(replaced.some(tx => !this.replacedBy.has(tx.txid)))
+    ) {
      return;
    }

@@ -114,6 +144,10 @@ class RbfCache {
      if (!replacedTx.rbf) {
        txFullRbf = true;
      }
+      if (this.replacedBy.has(replacedTx.txid)) {
+        // should never happen
+        continue;
+      }
      this.replacedBy.set(replacedTx.txid, newTx.txid);
      if (this.treeMap.has(replacedTx.txid)) {
        const treeId = this.treeMap.get(replacedTx.txid);
@@ -140,18 +174,47 @@ class RbfCache {
      }
    }
    newTx.fullRbf = txFullRbf;
-    const treeId = replacedTrees[0].tx.txid;
    const newTree = {
      tx: newTx,
      time: newTime,
      fullRbf: treeFullRbf,
      replaces: replacedTrees
    };
-    this.addTree(treeId, newTree);
-    this.updateTreeMap(treeId, newTree);
+    this.addTree(newTree.tx.txid, newTree);
+    this.updateTreeMap(newTree.tx.txid, newTree);
    this.replaces.set(newTx.txid, replacedTrees.map(tree => tree.tx.txid));
  }

+  public mined(txid): void {
+    if (!this.txs.has(txid)) {
+      return;
+    }
+    const treeId = this.treeMap.get(txid);
+    if (treeId && this.rbfTrees.has(treeId)) {
+      const tree = this.rbfTrees.get(treeId);
+      if (tree) {
+        this.setTreeMined(tree, txid);
+        tree.mined = true;
+        this.dirtyTrees.add(treeId);
+        this.cacheQueue.push({ op: CacheOp.Change, type: 'tree', txid: treeId });
+      }
+    }
+    this.evict(txid);
+  }
+
+  // flag a transaction as removed from the mempool
+  public evict(txid: string, fast: boolean = false): void {
+    this.evictionCount++;
+    if (this.txs.has(txid) && (fast || !this.expiring.has(txid))) {
+      const expiryTime = fast ? Date.now() + (1000 * 60 * 10) : Date.now() + (1000 * 86400); // 24 hours
+      this.addExpiration(txid, expiryTime);
+    }
+  }
+
+  /**
+   * Read-only public interface
+   */
+
  public has(txId: string): boolean {
    return this.txs.has(txId);
  }
@@ -232,32 +295,6 @@ class RbfCache {
    return changes;
  }

-  public mined(txid): void {
-    if (!this.txs.has(txid)) {
-      return;
-    }
-    const treeId = this.treeMap.get(txid);
-    if (treeId && this.rbfTrees.has(treeId)) {
-      const tree = this.rbfTrees.get(treeId);
-      if (tree) {
-        this.setTreeMined(tree, txid);
-        tree.mined = true;
-        this.dirtyTrees.add(treeId);
-        this.cacheQueue.push({ op: CacheOp.Change, type: 'tree', txid: treeId });
-      }
-    }
-    this.evict(txid);
-  }
-
-  // flag a transaction as removed from the mempool
-  public evict(txid: string, fast: boolean = false): void {
-    this.evictionCount++;
-    if (this.txs.has(txid) && (fast || !this.expiring.has(txid))) {
-      const expiryTime = fast ? Date.now() + (1000 * 60 * 10) : Date.now() + (1000 * 86400); // 24 hours
-      this.addExpiration(txid, expiryTime);
-    }
-  }
-
  // is the transaction involved in a full rbf replacement?
  public isFullRbf(txid: string): boolean {
    const treeId = this.treeMap.get(txid);
@@ -271,6 +308,10 @@ class RbfCache {
    return tree?.fullRbf;
  }

+  /**
+   * Cache maintenance & utility functions
+   */
+
  private cleanup(): void {
    const now = Date.now();
    for (const txid of this.expiring.keys()) {
@@ -299,10 +340,6 @@ class RbfCache {
      for (const tx of (replaces || [])) {
        // recursively remove prior versions from the cache
        this.replacedBy.delete(tx);
-        // if this is the id of a tree, remove that too
-        if (this.treeMap.get(tx) === tx) {
-          this.removeTree(tx);
-        }
        this.remove(tx);
      }
    }
@@ -370,14 +407,21 @@ class RbfCache {
    };
  }

-  public async load({ txs, trees, expiring, mempool }): Promise<void> {
+  public async load({ txs, trees, expiring, mempool, spendMap }): Promise<void> {
    try {
      txs.forEach(txEntry => {
        this.txs.set(txEntry.value.txid, txEntry.value);
      });
      this.staleCount = 0;
-      for (const deflatedTree of trees) {
-        await this.importTree(mempool, deflatedTree.root, deflatedTree.root, deflatedTree, this.txs);
+      for (const deflatedTree of trees.sort((a, b) => Object.keys(b).length - Object.keys(a).length)) {
+        const tree = await this.importTree(mempool, deflatedTree.root, deflatedTree.root, deflatedTree, this.txs);
+        if (tree) {
+          this.addTree(tree.tx.txid, tree);
+          this.updateTreeMap(tree.tx.txid, tree);
+          if (tree.mined) {
+            this.evict(tree.tx.txid);
+          }
+        }
      }
      expiring.forEach(expiringEntry => {
        if (this.txs.has(expiringEntry.key)) {
@@ -385,6 +429,31 @@ class RbfCache {
        }
      });
      this.staleCount = 0;
+
+      // connect cached trees to current mempool transactions
+      const conflicts: Record<string, { replacedBy: MempoolTransactionExtended, replaces: Set<MempoolTransactionExtended> }> = {};
+      for (const tree of this.rbfTrees.values()) {
+        const tx = this.getTx(tree.tx.txid);
+        if (!tx || tree.mined) {
+          continue;
+        }
+        for (const vin of tx.vin) {
+          const conflict = spendMap.get(`${vin.txid}:${vin.vout}`);
+          if (conflict && conflict.txid !== tx.txid) {
+            if (!conflicts[conflict.txid]) {
+              conflicts[conflict.txid] = {
+                replacedBy: conflict,
+                replaces: new Set(),
+              };
+            }
+            conflicts[conflict.txid].replaces.add(tx);
+          }
+        }
+      }
+      for (const { replacedBy, replaces } of Object.values(conflicts)) {
+        this.add([...replaces.values()], replacedBy);
+      }
+
      await this.checkTrees();
      logger.debug(`loaded ${txs.length} txs, ${trees.length} trees into rbf cache, ${expiring.length} due to expire, ${this.staleCount} were stale`);
      this.cleanup();
@@ -426,6 +495,12 @@ class RbfCache {
      return;
    }

+    // if this tx is already in the cache, return early
+    if (this.treeMap.has(txid)) {
+      this.removeTree(deflated.key);
+      return;
+    }
+
    // recursively reconstruct child trees
    for (const childId of treeInfo.replaces) {
      const replaced = await this.importTree(mempool, root, childId, deflated, txs, mined);
@@ -457,10 +532,6 @@ class RbfCache {
      fullRbf: treeInfo.fullRbf,
      replaces,
    };
-    this.treeMap.set(txid, root);
-    if (root === txid) {
-      this.addTree(root, tree);
-    }
    return tree;
  }

@@ -511,6 +582,7 @@ class RbfCache {
      processTxs(txs);
    }

+    // evict missing transactions
    for (const txid of txids) {
      if (!found[txid]) {
        this.evict(txid, false);
--- a/backend/src/api/redis-cache.ts
+++ b/backend/src/api/redis-cache.ts
@@ -365,6 +365,7 @@ class RedisCache {
      trees: rbfTrees.map(loadedTree => { loadedTree.value.key = loadedTree.key; return loadedTree.value; }),
      expiring: rbfExpirations,
      mempool: memPool.getMempool(),
+      spendMap: memPool.getSpendMap(),
    });
  }

--- a/backend/src/api/services/acceleration.ts
+++ b/backend/src/api/services/acceleration.ts
@@ -1,7 +1,10 @@
+import { WebSocket } from 'ws';
 import config from '../../config';
 import logger from '../../logger';
 import { BlockExtended } from '../../mempool.interfaces';
 import axios from 'axios';
+import mempool from '../mempool';
+import websocketHandler from '../websocket-handler';

 type MyAccelerationStatus = 'requested' | 'accelerating' | 'done';

@@ -37,14 +40,23 @@ export interface AccelerationHistory {
 };

 class AccelerationApi {
+  private ws: WebSocket | null = null;
+  private useWebsocket: boolean = config.MEMPOOL.OFFICIAL && config.MEMPOOL_SERVICES.ACCELERATIONS;
+  private startedWebsocketLoop: boolean = false;
+  private websocketConnected: boolean = false;
  private onDemandPollingEnabled = !config.MEMPOOL_SERVICES.ACCELERATIONS;
  private apiPath = config.MEMPOOL.OFFICIAL ? (config.MEMPOOL_SERVICES.API + '/accelerator/accelerations') : (config.EXTERNAL_DATA_SERVER.MEMPOOL_API + '/accelerations');
-  private _accelerations: Acceleration[] | null = null;
+  private websocketPath = config.MEMPOOL_SERVICES?.API ? `${config.MEMPOOL_SERVICES.API.replace('https://', 'wss://').replace('http://', 'ws://')}/accelerator/ws` : '/';
+  private _accelerations: Record<string, Acceleration> = {};
  private lastPoll = 0;
+  private lastPing = Date.now();
+  private lastPong = Date.now();
  private forcePoll = false;
  private myAccelerations: Record<string, { status: MyAccelerationStatus, added: number, acceleration?: Acceleration }> = {};

-  public get accelerations(): Acceleration[] | null {
+  public constructor() {}
+
+  public getAccelerations(): Record<string, Acceleration> {
    return this._accelerations;
  }

@@ -72,11 +84,18 @@ class AccelerationApi {
    }
  }

-  public async $updateAccelerations(): Promise<Acceleration[] | null> {
+  public async $updateAccelerations(): Promise<Record<string, Acceleration> | null> {
+    if (this.useWebsocket && this.websocketConnected) {
+      return this._accelerations;
+    }
    if (!this.onDemandPollingEnabled) {
      const accelerations = await this.$fetchAccelerations();
      if (accelerations) {
-        this._accelerations = accelerations;
+        const latestAccelerations = {};
+        for (const acc of accelerations) {
+          latestAccelerations[acc.txid] = acc;
+        }
+        this._accelerations = latestAccelerations;
        return this._accelerations;
      }
    } else {
@@ -85,7 +104,7 @@ class AccelerationApi {
    return null;
  }

-  private async $updateAccelerationsOnDemand(): Promise<Acceleration[] | null> {
+  private async $updateAccelerationsOnDemand(): Promise<Record<string, Acceleration> | null> {
    const shouldUpdate = this.forcePoll
      || this.countMyAccelerationsWithStatus('requested') > 0
      || (this.countMyAccelerationsWithStatus('accelerating') > 0 && this.lastPoll < (Date.now() - (10 * 60 * 1000)));
@@ -120,7 +139,11 @@ class AccelerationApi {
      }
    }

-    this._accelerations = Object.values(this.myAccelerations).map(({ acceleration }) => acceleration).filter(acc => acc) as Acceleration[];
+    const latestAccelerations = {};
+    for (const acc of Object.values(this.myAccelerations).map(({ acceleration }) => acceleration).filter(acc => acc) as Acceleration[]) {
+      latestAccelerations[acc.txid] = acc;
+    }
+    this._accelerations = latestAccelerations;
    return this._accelerations;
  }

@@ -152,6 +175,148 @@ class AccelerationApi {
    }
    return anyAccelerated;
  }
+
+  // get a list of accelerations that have changed between two sets of accelerations
+  public getAccelerationDelta(oldAccelerationMap: Record<string, Acceleration>, newAccelerationMap: Record<string, Acceleration>): string[] {
+    const changed: string[] = [];
+    const mempoolCache = mempool.getMempool();
+
+    for (const acceleration of Object.values(newAccelerationMap)) {
+      // skip transactions we don't know about
+      if (!mempoolCache[acceleration.txid]) {
+        continue;
+      }
+      if (oldAccelerationMap[acceleration.txid] == null) {
+        // new acceleration
+        changed.push(acceleration.txid);
+      } else {
+        if (oldAccelerationMap[acceleration.txid].feeDelta !== acceleration.feeDelta) {
+          // feeDelta changed
+          changed.push(acceleration.txid);
+        } else if (oldAccelerationMap[acceleration.txid].pools?.length) {
+          let poolsChanged = false;
+          const pools = new Set();
+            oldAccelerationMap[acceleration.txid].pools.forEach(pool => {
+            pools.add(pool);
+          });
+          acceleration.pools.forEach(pool => {
+            if (!pools.has(pool)) {
+              poolsChanged = true;
+            } else {
+              pools.delete(pool);
+            }
+          });
+          if (pools.size > 0) {
+            poolsChanged = true;
+          }
+          if (poolsChanged) {
+            // pools changed
+            changed.push(acceleration.txid);
+          }
+        }
+      }
+    }
+
+    for (const oldTxid of Object.keys(oldAccelerationMap)) {
+      if (!newAccelerationMap[oldTxid]) {
+        // removed
+        changed.push(oldTxid);
+      }
+    }
+
+    return changed;
+  }
+
+  private handleWebsocketMessage(msg: any): void {
+    if (msg?.accelerations !== null) {
+      const latestAccelerations = {};
+      for (const acc of msg?.accelerations || []) {
+        latestAccelerations[acc.txid] = acc;
+      }
+      this._accelerations = latestAccelerations;
+      websocketHandler.handleAccelerationsChanged(this._accelerations);
+    }
+  }
+
+  public async connectWebsocket(): Promise<void> {
+    if (this.startedWebsocketLoop) {
+      return;
+    }
+    while (this.useWebsocket) {
+      this.startedWebsocketLoop = true;
+      if (!this.ws) {
+        this.ws = new WebSocket(this.websocketPath);
+        this.lastPing = 0;
+
+        this.ws.on('open', () => {
+          logger.info(`Acceleration websocket opened to ${this.websocketPath}`);
+          this.websocketConnected = true;
+          this.ws?.send(JSON.stringify({
+            'watch-accelerations': true
+          }));
+        });
+
+        this.ws.on('error', (error) => {
+          let errMsg = `Acceleration websocket error on ${this.websocketPath}: ${error['code']}`;
+          if (error['errors']) {
+            errMsg += ' - ' + error['errors'].join(' - ');
+          }
+          logger.err(errMsg);
+          this.ws = null;
+          this.websocketConnected = false;
+        });
+
+        this.ws.on('close', () => {
+          logger.info('Acceleration websocket closed');
+          this.ws = null;
+          this.websocketConnected = false;
+        });
+
+        this.ws.on('message', (data, isBinary) => {
+          try {
+            const msg = (isBinary ? data : data.toString()) as string;
+            const parsedMsg = msg?.length ? JSON.parse(msg) : null;
+            this.handleWebsocketMessage(parsedMsg);
+          } catch (e) {
+            logger.warn('Failed to parse acceleration websocket message: ' + (e instanceof Error ? e.message : e));
+          }
+        });
+
+        this.ws.on('ping', () => {
+          logger.debug('received ping from acceleration websocket server');
+        });
+
+        this.ws.on('pong', () => {
+          logger.debug('received pong from acceleration websocket server');
+          this.lastPong = Date.now();
+        });
+      } else if (this.websocketConnected) {
+        if (this.lastPing && this.lastPing > this.lastPong && (Date.now() - this.lastPing > 10000)) {
+          logger.warn('No pong received within 10 seconds, terminating connection');
+          try {
+            this.ws?.terminate();
+          } catch (e) {
+            logger.warn('failed to terminate acceleration websocket connection: ' + (e instanceof Error ? e.message : e));
+          } finally {
+            this.ws = null;
+            this.websocketConnected = false;
+            this.lastPing = 0;
+          }
+        } else if (!this.lastPing || (Date.now() - this.lastPing > 30000)) {
+          logger.debug('sending ping to acceleration websocket server');
+          if (this.ws?.readyState === WebSocket.OPEN) {
+            try {
+              this.ws?.ping();
+              this.lastPing = Date.now();
+            } catch (e) {
+              logger.warn('failed to send ping to acceleration websocket server: ' + (e instanceof Error ? e.message : e));
+            }
+          }
+        }
+      }
+      await new Promise(resolve => setTimeout(resolve, 5000));
+    }
+  }
 }

 export default new AccelerationApi();
--- a/backend/src/api/services/services-routes.ts
+++ b/backend/src/api/services/services-routes.ts
@@ -0,0 +1,27 @@
+import { Application, Request, Response } from 'express';
+import config from '../../config';
+import WalletApi from './wallets';
+import { handleError } from '../../utils/api';
+
+class ServicesRoutes {
+  public initRoutes(app: Application): void {
+    app
+      .get(config.MEMPOOL.API_URL_PREFIX + 'wallet/:walletId', this.$getWallet)
+    ;
+  }
+
+  private async $getWallet(req: Request, res: Response): Promise<void> {
+    try {
+      res.header('Pragma', 'public');
+      res.header('Cache-control', 'public');
+      res.setHeader('Expires', new Date(Date.now() + 1000 * 5).toUTCString());
+      const walletId = req.params.walletId;
+      const wallet = await WalletApi.getWallet(walletId);
+      res.status(200).send(wallet);
+    } catch (e) {
+      handleError(req, res, 500, 'Failed to get wallet');
+    }
+  }
+}
+
+export default new ServicesRoutes();
--- a/backend/src/api/services/stratum.ts
+++ b/backend/src/api/services/stratum.ts
@@ -0,0 +1,105 @@
+import { WebSocket } from 'ws';
+import logger from '../../logger';
+import config from '../../config';
+import websocketHandler from '../websocket-handler';
+
+export interface StratumJob {
+  pool: number;
+  height: number;
+  coinbase: string;
+  scriptsig: string;
+  reward: number;
+  jobId: string;
+  extraNonce: string;
+  extraNonce2Size: number;
+  prevHash: string;
+  coinbase1: string;
+  coinbase2: string;
+  merkleBranches: string[];
+  version: string;
+  bits: string;
+  time: string;
+  timestamp: number;
+  cleanJobs: boolean;
+  received: number;
+}
+
+function isStratumJob(obj: any): obj is StratumJob {
+  return obj
+    && typeof obj === 'object'
+    && 'pool' in obj
+    && 'prevHash' in obj
+    && 'height' in obj
+    && 'received' in obj
+    && 'version' in obj
+    && 'timestamp' in obj
+    && 'bits' in obj
+    && 'merkleBranches' in obj
+    && 'cleanJobs' in obj;
+}
+
+class StratumApi {
+  private ws: WebSocket | null = null;
+  private runWebsocketLoop: boolean = false;
+  private startedWebsocketLoop: boolean = false;
+  private websocketConnected: boolean = false;
+  private jobs: Record<string, StratumJob> = {};
+
+  public constructor() {}
+
+  public getJobs(): Record<string, StratumJob> {
+    return this.jobs;
+  }
+
+  private handleWebsocketMessage(msg: any): void {
+    if (isStratumJob(msg)) {
+      this.jobs[msg.pool] = msg;
+      websocketHandler.handleNewStratumJob(this.jobs[msg.pool]);
+    }
+  }
+
+  public async connectWebsocket(): Promise<void> {
+    if (!config.STRATUM.ENABLED) {
+      return;
+    }
+    this.runWebsocketLoop = true;
+    if (this.startedWebsocketLoop) {
+      return;
+    }
+    while (this.runWebsocketLoop) {
+      this.startedWebsocketLoop = true;
+      if (!this.ws) {
+        this.ws = new WebSocket(`${config.STRATUM.API}`);
+        this.websocketConnected = true;
+
+        this.ws.on('open', () => {
+          logger.info('Stratum websocket opened');
+        });
+
+        this.ws.on('error', (error) => {
+          logger.err('Stratum websocket error: ' + error);
+          this.ws = null;
+          this.websocketConnected = false;
+        });
+
+        this.ws.on('close', () => {
+          logger.info('Stratum websocket closed');
+          this.ws = null;
+          this.websocketConnected = false;
+        });
+
+        this.ws.on('message', (data, isBinary) => {
+          try {
+            const parsedMsg = JSON.parse((isBinary ? data : data.toString()) as string);
+            this.handleWebsocketMessage(parsedMsg);
+          } catch (e) {
+            logger.warn('Failed to parse stratum websocket message: ' + (e instanceof Error ? e.message : e));
+          }
+        });
+      }
+      await new Promise(resolve => setTimeout(resolve, 5000));
+    }
+  }
+}
+
+export default new StratumApi();
--- a/backend/src/api/services/wallets.ts
+++ b/backend/src/api/services/wallets.ts
@@ -0,0 +1,153 @@
+import config from '../../config';
+import logger from '../../logger';
+import { IEsploraApi } from '../bitcoin/esplora-api.interface';
+import bitcoinApi from '../bitcoin/bitcoin-api-factory';
+import axios from 'axios';
+import { TransactionExtended } from '../../mempool.interfaces';
+
+interface WalletAddress {
+  address: string;
+  active: boolean;
+  stats: {
+    funded_txo_count: number;
+    funded_txo_sum: number;
+    spent_txo_count: number;
+    spent_txo_sum: number;
+    tx_count: number;
+  };
+  transactions: IEsploraApi.AddressTxSummary[];
+  lastSync: number;
+}
+
+interface Wallet {
+  name: string;
+  addresses: Record<string, WalletAddress>;
+  lastPoll: number;
+}
+
+const POLL_FREQUENCY = 5 * 60 * 1000; // 5 minutes
+
+class WalletApi {
+  private wallets: Record<string, Wallet> = {};
+  private syncing = false;
+
+  constructor() {
+    this.wallets = config.WALLETS.ENABLED ? (config.WALLETS.WALLETS as string[]).reduce((acc, wallet) => {
+      acc[wallet] = { name: wallet, addresses: {}, lastPoll: 0 };
+      return acc;
+    }, {} as Record<string, Wallet>) : {};
+  }
+
+  public getWallet(wallet: string): Record<string, WalletAddress> {
+    return this.wallets?.[wallet]?.addresses || {};
+  }
+
+  // resync wallet addresses from the services backend
+  async $syncWallets(): Promise<void> {
+    if (!config.WALLETS.ENABLED || this.syncing) {
+      return;
+    }
+    this.syncing = true;
+    for (const walletKey of Object.keys(this.wallets)) {
+      const wallet = this.wallets[walletKey];
+      if (wallet.lastPoll < (Date.now() - POLL_FREQUENCY)) {
+        try {
+          const response = await axios.get(config.MEMPOOL_SERVICES.API + `/wallets/${wallet.name}`);
+          const addresses: Record<string, WalletAddress> = response.data;
+          const addressList: WalletAddress[] = Object.values(addresses);
+          // sync all current addresses
+          for (const address of addressList) {
+            await this.$syncWalletAddress(wallet, address);
+          }
+          // remove old addresses
+          for (const address of Object.keys(wallet.addresses)) {
+            if (!addresses[address]) {
+              delete wallet.addresses[address];
+            }
+          }
+          wallet.lastPoll = Date.now();
+          logger.debug(`Synced ${Object.keys(wallet.addresses).length} addresses for wallet ${wallet.name}`);
+        } catch (e) {
+          logger.err(`Error syncing wallet ${wallet.name}: ${(e instanceof Error ? e.message : e)}`);
+        }
+      }
+    }
+    this.syncing = false;
+  }
+
+  // resync address transactions from esplora
+  async $syncWalletAddress(wallet: Wallet, address: WalletAddress): Promise<void> {
+    // fetch full transaction data if the address is new or still active and hasn't been synced in the last hour
+    const refreshTransactions = !wallet.addresses[address.address] || (address.active && (Date.now() - wallet.addresses[address.address].lastSync) > 60 * 60 * 1000);
+    if (refreshTransactions) {
+      try {
+        const summary = await bitcoinApi.$getAddressTransactionSummary(address.address);
+        const addressInfo = await bitcoinApi.$getAddress(address.address);
+        const walletAddress: WalletAddress = {
+          address: address.address,
+          active: address.active,
+          transactions: summary,
+          stats: addressInfo.chain_stats,
+          lastSync: Date.now(),
+        };
+        wallet.addresses[address.address] = walletAddress;
+      } catch (e) {
+        logger.err(`Error syncing wallet address ${address.address}: ${(e instanceof Error ? e.message : e)}`);
+      }
+    }
+  }
+
+  // check a new block for transactions that affect wallet address balances, and add relevant transactions to wallets
+  processBlock(block: IEsploraApi.Block, blockTxs: TransactionExtended[]): Record<string, IEsploraApi.Transaction[]> {
+    const walletTransactions: Record<string, IEsploraApi.Transaction[]> = {};
+    for (const walletKey of Object.keys(this.wallets)) {
+      const wallet = this.wallets[walletKey];
+      walletTransactions[walletKey] = [];
+      for (const tx of blockTxs) {
+        const funded: Record<string, number> = {};
+        const spent: Record<string, number> = {};
+        const fundedCount: Record<string, number> = {};
+        const spentCount: Record<string, number> = {};
+        let anyMatch = false;
+        for (const vin of tx.vin) {
+          const address = vin.prevout?.scriptpubkey_address;
+          if (address && wallet.addresses[address]) {
+            anyMatch = true;
+            spent[address] = (spent[address] ?? 0) + (vin.prevout?.value ?? 0);
+            spentCount[address] = (spentCount[address] ?? 0) + 1;
+          }
+        }
+        for (const vout of tx.vout) {
+          const address = vout.scriptpubkey_address;
+          if (address && wallet.addresses[address]) {
+            anyMatch = true;
+            funded[address] = (funded[address] ?? 0) + (vout.value ?? 0);
+            fundedCount[address] = (fundedCount[address] ?? 0) + 1;
+          }
+        }
+        for (const address of Object.keys({ ...funded, ...spent })) {
+          // update address stats
+          wallet.addresses[address].stats.tx_count++;
+          wallet.addresses[address].stats.funded_txo_count += fundedCount[address] || 0;
+          wallet.addresses[address].stats.spent_txo_count += spentCount[address] || 0;
+          wallet.addresses[address].stats.funded_txo_sum += funded[address] || 0;
+          wallet.addresses[address].stats.spent_txo_sum += spent[address] || 0;
+          // add tx to summary
+          const txSummary: IEsploraApi.AddressTxSummary = {
+            txid: tx.txid,
+            value: (funded[address] ?? 0) - (spent[address] ?? 0),
+            height: block.height,
+            time: block.timestamp,
+          };
+          wallet.addresses[address].transactions?.push(txSummary);
+        }
+        if (anyMatch) {
+          walletTransactions[walletKey].push(tx);
+        }
+      }
+    }
+    return walletTransactions;
+  }
+}
+
+export default new WalletApi();
--- a/backend/src/api/statistics/statistics.routes.ts
+++ b/backend/src/api/statistics/statistics.routes.ts
@@ -1,7 +1,7 @@
 import { Application, Request, Response } from 'express';
 import config from '../../config';
 import statisticsApi from './statistics-api';
-
+import { handleError } from '../../utils/api';
 class StatisticsRoutes {
  public initRoutes(app: Application) {
    app
@@ -65,7 +65,7 @@ class StatisticsRoutes {
      }
      res.json(result);
    } catch (e) {
-      res.status(500).send(e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get statistics');
    }
  }
 }
--- a/backend/src/api/transaction-utils.ts
+++ b/backend/src/api/transaction-utils.ts
@@ -121,6 +121,7 @@ class TransactionUtils {
    const adjustedVsize = Math.max(fractionalVsize, sigops *  5); // adjusted vsize = Max(weight, sigops * bytes_per_sigop) / witness_scale_factor
    const feePerVbytes = (transaction.fee || 0) / fractionalVsize;
    const adjustedFeePerVsize = (transaction.fee || 0) / adjustedVsize;
+    const effectiveFeePerVsize = transaction['effectiveFeePerVsize'] || adjustedFeePerVsize || feePerVbytes;
    const transactionExtended: MempoolTransactionExtended = Object.assign(transaction, {
      order: this.txidToOrdering(transaction.txid),
      vsize,
@@ -128,7 +129,7 @@ class TransactionUtils {
      sigops,
      feePerVsize: feePerVbytes,
      adjustedFeePerVsize: adjustedFeePerVsize,
-      effectiveFeePerVsize: adjustedFeePerVsize,
+      effectiveFeePerVsize: effectiveFeePerVsize,
    });
    if (!transactionExtended?.status?.confirmed && !transactionExtended.firstSeen) {
      transactionExtended.firstSeen = Math.round((Date.now() / 1000));
--- a/backend/src/api/websocket-handler.ts
+++ b/backend/src/api/websocket-handler.ts
@@ -16,16 +16,19 @@ import transactionUtils from './transaction-utils';
 import rbfCache, { ReplacementInfo } from './rbf-cache';
 import difficultyAdjustment from './difficulty-adjustment';
 import feeApi from './fee-api';
+import BlocksRepository from '../repositories/BlocksRepository';
 import BlocksAuditsRepository from '../repositories/BlocksAuditsRepository';
 import BlocksSummariesRepository from '../repositories/BlocksSummariesRepository';
 import Audit from './audit';
 import priceUpdater from '../tasks/price-updater';
 import { ApiPrice } from '../repositories/PricesRepository';
+import { Acceleration } from './services/acceleration';
 import accelerationApi from './services/acceleration';
 import mempool from './mempool';
 import statistics from './statistics/statistics';
 import accelerationRepository from '../repositories/AccelerationRepository';
 import bitcoinApi from './bitcoin/bitcoin-api-factory';
+import walletApi from './services/wallets';

 interface AddressTransactions {
  mempool: MempoolTransactionExtended[],
@@ -34,6 +37,8 @@ interface AddressTransactions {
 }
 import bitcoinSecondClient from './bitcoin/bitcoin-second-client';
 import { calculateMempoolTxCpfp } from './cpfp';
+import { getRecentFirstSeen } from '../utils/file-read';
+import stratumApi, { StratumJob } from './services/stratum';

 // valid 'want' subscriptions
 const wantable = [
@@ -57,6 +62,8 @@ class WebsocketHandler {
  private lastRbfSummary: ReplacementInfo[] | null = null;
  private mempoolSequence: number = 0;

+  private accelerations: Record<string, Acceleration> = {};
+
  constructor() { }

  addWebsocketServer(wss: WebSocket.Server) {
@@ -305,6 +312,14 @@ class WebsocketHandler {
            }
          }

+          if (parsedMessage && parsedMessage['track-wallet']) {
+            if (parsedMessage['track-wallet'] === 'stop') {
+              client['track-wallet'] = null;
+            } else {
+              client['track-wallet'] = parsedMessage['track-wallet'];
+            }
+          }
+
          if (parsedMessage && parsedMessage['track-asset']) {
            if (/^[a-fA-F0-9]{64}$/.test(parsedMessage['track-asset'])) {
              client['track-asset'] = parsedMessage['track-asset'];
@@ -389,6 +404,16 @@ class WebsocketHandler {
            delete client['track-mempool'];
          }

+          if (parsedMessage && parsedMessage['track-stratum'] != null) {
+            if (parsedMessage['track-stratum']) {
+              const sub = parsedMessage['track-stratum'];
+              client['track-stratum'] = sub;
+              response['stratumJobs'] = this.socketData['stratumJobs'];
+            } else {
+              client['track-stratum'] = false;
+            }
+          }
+
          if (Object.keys(response).length) {
            client.send(this.serializeResponse(response));
          }
@@ -484,6 +509,42 @@ class WebsocketHandler {
    }
  }

+  handleAccelerationsChanged(accelerations: Record<string, Acceleration>): void {
+    if (!this.webSocketServers.length) {
+      throw new Error('No WebSocket.Server has been set');
+    }
+
+    const websocketAccelerationDelta = accelerationApi.getAccelerationDelta(this.accelerations, accelerations);
+    this.accelerations = accelerations;
+
+    if (!websocketAccelerationDelta.length) {
+      return;
+    }
+
+    // pre-compute acceleration delta
+    const accelerationUpdate = {
+      added: websocketAccelerationDelta.map(txid => accelerations[txid]).filter(acc => acc != null),
+      removed: websocketAccelerationDelta.filter(txid => !accelerations[txid]),
+    };
+
+    try {
+      const response = JSON.stringify({
+        accelerations: accelerationUpdate,
+      });
+
+      for (const server of this.webSocketServers) {
+        server.clients.forEach((client) => {
+          if (client.readyState !== WebSocket.OPEN) {
+            return;
+          }
+          client.send(response);
+        });
+      }
+    } catch (e) {
+      logger.debug(`Error sending acceleration update to websocket clients: ${e}`);
+    }
+  }
+
  handleReorg(): void {
    if (!this.webSocketServers.length) {
      throw new Error('No WebSocket.Server have been set');
@@ -520,8 +581,17 @@ class WebsocketHandler {
    }
  }

+  /**
+   *
+   * @param newMempool
+   * @param mempoolSize
+   * @param newTransactions  array of transactions added this mempool update.
+   * @param recentlyDeletedTransactions array of arrays of transactions removed in the last N mempool updates, most recent first.
+   * @param accelerationDelta
+   * @param candidates
+   */
  async $handleMempoolChange(newMempool: { [txid: string]: MempoolTransactionExtended }, mempoolSize: number,
-    newTransactions: MempoolTransactionExtended[], deletedTransactions: MempoolTransactionExtended[], accelerationDelta: string[],
+    newTransactions: MempoolTransactionExtended[], recentlyDeletedTransactions: MempoolTransactionExtended[][], accelerationDelta: string[],
    candidates?: GbtCandidates): Promise<void> {
    if (!this.webSocketServers.length) {
      throw new Error('No WebSocket.Server have been set');
@@ -529,6 +599,8 @@ class WebsocketHandler {

    this.printLogs();

+    const deletedTransactions = recentlyDeletedTransactions.length ? recentlyDeletedTransactions[0] : [];
+
    const transactionIds = (memPool.limitGBT && candidates) ? Object.keys(candidates?.txs || {}) : Object.keys(newMempool);
    let added = newTransactions;
    let removed = deletedTransactions;
@@ -547,9 +619,9 @@ class WebsocketHandler {
    const mBlockDeltas = mempoolBlocks.getMempoolBlockDeltas();
    const mempoolInfo = memPool.getMempoolInfo();
    const vBytesPerSecond = memPool.getVBytesPerSecond();
-    const rbfTransactions = Common.findRbfTransactions(newTransactions, deletedTransactions);
+    const rbfTransactions = Common.findRbfTransactions(newTransactions, recentlyDeletedTransactions.flat());
    const da = difficultyAdjustment.getDifficultyAdjustment();
-    const accelerations = memPool.getAccelerations();
+    const accelerations = accelerationApi.getAccelerations();
    memPool.handleRbfTransactions(rbfTransactions);
    const rbfChanges = rbfCache.getRbfChanges();
    let rbfReplacements;
@@ -578,7 +650,7 @@ class WebsocketHandler {
    const replacedTransactions: { replaced: string, by: TransactionExtended }[] = [];
    for (const tx of newTransactions) {
      if (rbfTransactions[tx.txid]) {
-        for (const replaced of rbfTransactions[tx.txid]) {
+        for (const replaced of rbfTransactions[tx.txid].replaced) {
          replacedTransactions.push({ replaced: replaced.txid, by: tx });
        }
      }
@@ -657,10 +729,13 @@ class WebsocketHandler {
    const addressCache = this.makeAddressCache(newTransactions);
    const removedAddressCache = this.makeAddressCache(deletedTransactions);

+    const websocketAccelerationDelta = accelerationApi.getAccelerationDelta(this.accelerations, accelerations);
+    this.accelerations = accelerations;
+
    // pre-compute acceleration delta
    const accelerationUpdate = {
-      added: accelerationDelta.map(txid => accelerations[txid]).filter(acc => acc != null),
-      removed: accelerationDelta.filter(txid => !accelerations[txid]),
+      added: websocketAccelerationDelta.map(txid => accelerations[txid]).filter(acc => acc != null),
+      removed: websocketAccelerationDelta.filter(txid => !accelerations[txid]),
    };

    // TODO - Fix indentation after PR is merged
@@ -947,7 +1022,7 @@ class WebsocketHandler {
    await accelerationRepository.$indexAccelerationsForBlock(block, accelerations, structuredClone(transactions));

    const rbfTransactions = Common.findMinedRbfTransactions(transactions, memPool.getSpendMap());
-    memPool.handleMinedRbfTransactions(rbfTransactions);
+    memPool.handleRbfTransactions(rbfTransactions);
    memPool.removeFromSpendMap(transactions);

    if (config.MEMPOOL.AUDIT && memPool.isInSync()) {
@@ -1017,6 +1092,14 @@ class WebsocketHandler {
      }
    }

+    if (config.CORE_RPC.DEBUG_LOG_PATH && block.extras) {
+      const firstSeen = getRecentFirstSeen(block.id);
+      if (firstSeen) {
+        BlocksRepository.$saveFirstSeenTime(block.id, firstSeen);
+        block.extras.firstSeen = firstSeen;
+      }
+    }
+
    const confirmedTxids: { [txid: string]: boolean } = {};

    // Update mempool to remove transactions included in the new block
@@ -1091,6 +1174,9 @@ class WebsocketHandler {
      replaced: replacedTransactions,
    };

+    // check for wallet transactions
+    const walletTransactions = config.WALLETS.ENABLED ? walletApi.processBlock(block, transactions) : [];
+
    const responseCache = { ...this.socketData };
    function getCachedResponse(key, data): string {
      if (!responseCache[key]) {
@@ -1295,6 +1381,11 @@ class WebsocketHandler {
        response['mempool-transactions'] = getCachedResponse('mempool-transactions', mempoolDelta);
      }

+      if (client['track-wallet']) {
+        const trackedWallet = client['track-wallet'];
+        response['wallet-transactions'] = getCachedResponse(`wallet-transactions-${trackedWallet}`, walletTransactions[trackedWallet] ?? {});
+      }
+
      if (Object.keys(response).length) {
        client.send(this.serializeResponse(response));
      }
@@ -1304,6 +1395,23 @@ class WebsocketHandler {
    await statistics.runStatistics();
  }

+  public handleNewStratumJob(job: StratumJob): void {
+    this.updateSocketDataFields({ 'stratumJobs': stratumApi.getJobs() });
+
+    for (const server of this.webSocketServers) {
+      server.clients.forEach((client) => {
+        if (client.readyState !== WebSocket.OPEN) {
+          return;
+        }
+        if (client['track-stratum'] && (client['track-stratum'] === 'all' || client['track-stratum'] === job.pool)) {
+          client.send(JSON.stringify({
+            'stratumJob': job
+        }));
+        }
+      });
+    }
+  }
+
  // takes a dictionary of JSON serialized values
  // and zips it together into a valid JSON object
  private serializeResponse(response): string {
--- a/backend/src/config.ts
+++ b/backend/src/config.ts
@@ -32,6 +32,7 @@ interface IConfig {
    AUTOMATIC_POOLS_UPDATE: boolean;
    POOLS_JSON_URL: string,
    POOLS_JSON_TREE_URL: string,
+    POOLS_UPDATE_DELAY: number,
    AUDIT: boolean;
    RUST_GBT: boolean;
    LIMIT_GBT: boolean;
@@ -85,6 +86,7 @@ interface IConfig {
    TIMEOUT: number;
    COOKIE: boolean;
    COOKIE_PATH: string;
+    DEBUG_LOG_PATH: string;
  };
  SECOND_CORE_RPC: {
    HOST: string;
@@ -160,6 +162,14 @@ interface IConfig {
    PAID: boolean;
    API_KEY: string;
  },
+  WALLETS: {
+    ENABLED: boolean;
+    WALLETS: string[];
+  },
+  STRATUM: {
+    ENABLED: boolean;
+    API: string;
+  }
 }

 const defaults: IConfig = {
@@ -192,8 +202,9 @@ const defaults: IConfig = {
    'AUTOMATIC_POOLS_UPDATE': false,
    'POOLS_JSON_URL': 'https://raw.githubusercontent.com/mempool/mining-pools/master/pools-v2.json',
    'POOLS_JSON_TREE_URL': 'https://api.github.com/repos/mempool/mining-pools/git/trees/master',
+    'POOLS_UPDATE_DELAY': 604800, // in seconds, default is one week
    'AUDIT': false,
-    'RUST_GBT': false,
+    'RUST_GBT': true,
    'LIMIT_GBT': false,
    'CPFP_INDEXING': false,
    'MAX_BLOCKS_BULK_QUERY': 0,
@@ -225,7 +236,8 @@ const defaults: IConfig = {
    'PASSWORD': 'mempool',
    'TIMEOUT': 60000,
    'COOKIE': false,
-    'COOKIE_PATH': '/bitcoin/.cookie'
+    'COOKIE_PATH': '/bitcoin/.cookie',
+    'DEBUG_LOG_PATH': '',
  },
  'SECOND_CORE_RPC': {
    'HOST': '127.0.0.1',
@@ -320,6 +332,14 @@ const defaults: IConfig = {
    'PAID': false,
    'API_KEY': '',
  },
+  'WALLETS': {
+    'ENABLED': false,
+    'WALLETS': [],
+  },
+  'STRATUM': {
+    'ENABLED': false,
+    'API': 'http://localhost:1234',
+  }
 };

 class Config implements IConfig {
@@ -341,6 +361,8 @@ class Config implements IConfig {
  MEMPOOL_SERVICES: IConfig['MEMPOOL_SERVICES'];
  REDIS: IConfig['REDIS'];
  FIAT_PRICE: IConfig['FIAT_PRICE'];
+  WALLETS: IConfig['WALLETS'];
+  STRATUM: IConfig['STRATUM'];

  constructor() {
    const configs = this.merge(configFromFile, defaults);
@@ -362,6 +384,8 @@ class Config implements IConfig {
    this.MEMPOOL_SERVICES = configs.MEMPOOL_SERVICES;
    this.REDIS = configs.REDIS;
    this.FIAT_PRICE = configs.FIAT_PRICE;
+    this.WALLETS = configs.WALLETS;
+    this.STRATUM = configs.STRATUM;
  }

  merge = (...objects: object[]): IConfig => {
--- a/backend/src/index.ts
+++ b/backend/src/index.ts
@@ -32,6 +32,7 @@ import pricesRoutes from './api/prices/prices.routes';
 import miningRoutes from './api/mining/mining-routes';
 import liquidRoutes from './api/liquid/liquid.routes';
 import bitcoinRoutes from './api/bitcoin/bitcoin.routes';
+import servicesRoutes from './api/services/services-routes';
 import fundingTxFetcher from './tasks/lightning/sync-tasks/funding-tx-fetcher';
 import forensicsService from './tasks/lightning/forensics.service';
 import priceUpdater from './tasks/price-updater';
@@ -46,6 +47,8 @@ import bitcoinSecondClient from './api/bitcoin/bitcoin-second-client';
 import accelerationRoutes from './api/acceleration/acceleration.routes';
 import aboutRoutes from './api/about.routes';
 import mempoolBlocks from './api/mempool-blocks';
+import walletApi from './api/services/wallets';
+import stratumApi from './api/services/stratum';

 class Server {
  private wss: WebSocket.Server | undefined;
@@ -211,6 +214,8 @@ class Server {
        }
      });
    }
+
+    poolsUpdater.$startService();
  }

  async runMainUpdateLoop(): Promise<void> {
@@ -229,13 +234,17 @@ class Server {
      const newMempool = await bitcoinApi.$getRawMempool();
      const minFeeMempool = memPool.limitGBT ? await bitcoinSecondClient.getRawMemPool() : null;
      const minFeeTip = memPool.limitGBT ? await bitcoinSecondClient.getBlockCount() : -1;
-      const newAccelerations = await accelerationApi.$updateAccelerations();
+      const latestAccelerations = await accelerationApi.$updateAccelerations();
      const numHandledBlocks = await blocks.$updateBlocks();
      const pollRate = config.MEMPOOL.POLL_RATE_MS * (indexer.indexerIsRunning() ? 10 : 1);
      if (numHandledBlocks === 0) {
-        await memPool.$updateMempool(newMempool, newAccelerations, minFeeMempool, minFeeTip, pollRate);
+        await memPool.$updateMempool(newMempool, latestAccelerations, minFeeMempool, minFeeTip, pollRate);
      }
      indexer.$run();
+      if (config.WALLETS.ENABLED) {
+        // might take a while, so run in the background
+        walletApi.$syncWallets();
+      }
      if (config.FIAT_PRICE.ENABLED) {
        priceUpdater.$run();
      }
@@ -310,11 +319,18 @@ class Server {
      priceUpdater.setRatesChangedCallback(websocketHandler.handleNewConversionRates.bind(websocketHandler));
    }
    loadingIndicators.setProgressChangedCallback(websocketHandler.handleLoadingChanged.bind(websocketHandler));
+
+    accelerationApi.connectWebsocket();
+    if (config.STRATUM.ENABLED) {
+      stratumApi.connectWebsocket();
+    }
  }
-  
+
  setUpHttpApiRoutes(): void {
    bitcoinRoutes.initRoutes(this.app);
-    bitcoinCoreRoutes.initRoutes(this.app);
+    if (config.MEMPOOL.OFFICIAL) {
+      bitcoinCoreRoutes.initRoutes(this.app);
+    }
    pricesRoutes.initRoutes(this.app);
    if (config.STATISTICS.ENABLED && config.DATABASE.ENABLED && config.MEMPOOL.ENABLED) {
      statisticsRoutes.initRoutes(this.app);
@@ -333,6 +349,9 @@ class Server {
    if (config.MEMPOOL_SERVICES.ACCELERATIONS) {
      accelerationRoutes.initRoutes(this.app);
    }
+    if (config.WALLETS.ENABLED) {
+      servicesRoutes.initRoutes(this.app);
+    }
    if (!config.MEMPOOL.OFFICIAL) {
      aboutRoutes.initRoutes(this.app);
    }
--- a/backend/src/mempool.interfaces.ts
+++ b/backend/src/mempool.interfaces.ts
@@ -299,6 +299,7 @@ export interface BlockExtension {
    id: number; // Note - This is the `unique_id`, not to mix with the auto increment `id`
    name: string;
    slug: string;
+    minerNames: string[] | null;
  };
  avgFee: number;
  avgFeeRate: number;
@@ -319,10 +320,13 @@ export interface BlockExtension {
  segwitTotalSize: number;
  segwitTotalWeight: number;
  header: string;
+  firstSeen: number | null;
  utxoSetChange: number;
  // Requires coinstatsindex, will be set to NULL otherwise
  utxoSetSize: number | null;
  totalInputAmt: number | null;
+  // pools-v2.json git hash
+  definitionHash: string | undefined;
 }

 /**
--- a/backend/src/repositories/BlocksRepository.ts
+++ b/backend/src/repositories/BlocksRepository.ts
@@ -14,6 +14,8 @@ import chainTips from '../api/chain-tips';
 import blocks from '../api/blocks';
 import BlocksAuditsRepository from './BlocksAuditsRepository';
 import transactionUtils from '../api/transaction-utils';
+import { parseDATUMTemplateCreator } from '../utils/bitcoin-script';
+import poolsUpdater from '../tasks/pools-updater';

 interface DatabaseBlock {
  id: string;
@@ -56,6 +58,7 @@ interface DatabaseBlock {
  utxoSetChange: number;
  utxoSetSize: number;
  totalInputAmt: number;
+  firstSeen: number;
 }

 const BLOCK_DB_FIELDS = `
@@ -98,7 +101,8 @@ const BLOCK_DB_FIELDS = `
  blocks.header,
  blocks.utxoset_change AS utxoSetChange,
  blocks.utxoset_size AS utxoSetSize,
-  blocks.total_input_amt AS totalInputAmt
+  blocks.total_input_amt AS totalInputAmt,
+  UNIX_TIMESTAMP(blocks.first_seen) AS firstSeen
 `;

 class BlocksRepository {
@@ -111,16 +115,16 @@ class BlocksRepository {

    try {
      const query = `INSERT INTO blocks(
-        height,             hash,                blockTimestamp,    size,
-        weight,             tx_count,            coinbase_raw,      difficulty,
-        pool_id,            fees,                fee_span,          median_fee,
-        reward,             version,             bits,              nonce,
-        merkle_root,        previous_block_hash, avg_fee,           avg_fee_rate,
-        median_timestamp,   header,              coinbase_address,  coinbase_addresses,
-        coinbase_signature, utxoset_size,        utxoset_change,    avg_tx_size,
-        total_inputs,       total_outputs,       total_input_amt,   total_output_amt,
-        fee_percentiles,    segwit_total_txs,    segwit_total_size, segwit_total_weight,
-        median_fee_amt,     coinbase_signature_ascii
+        height,             hash,                     blockTimestamp,    size,
+        weight,             tx_count,                 coinbase_raw,      difficulty,
+        pool_id,            fees,                     fee_span,          median_fee,
+        reward,             version,                  bits,              nonce,
+        merkle_root,        previous_block_hash,      avg_fee,           avg_fee_rate,
+        median_timestamp,   header,                   coinbase_address,  coinbase_addresses,
+        coinbase_signature, utxoset_size,             utxoset_change,    avg_tx_size,
+        total_inputs,       total_outputs,            total_input_amt,   total_output_amt,
+        fee_percentiles,    segwit_total_txs,         segwit_total_size, segwit_total_weight,
+        median_fee_amt,     coinbase_signature_ascii, definition_hash
      ) VALUE (
        ?, ?, FROM_UNIXTIME(?), ?,
        ?, ?, ?, ?,
@@ -131,7 +135,7 @@ class BlocksRepository {
        ?, ?, ?, ?,
        ?, ?, ?, ?,
        ?, ?, ?, ?,
-        ?, ?
+        ?, ?, ?
      )`;

      const poolDbId = await PoolsRepository.$getPoolByUniqueId(block.extras.pool.id);
@@ -178,6 +182,7 @@ class BlocksRepository {
        block.extras.segwitTotalWeight,
        block.extras.medianFeeAmt,
        truncatedCoinbaseSignatureAscii,
+        poolsUpdater.currentSha
      ];

      await DB.query(query, params);
@@ -498,7 +503,7 @@ class BlocksRepository {
    }

    query += ` ORDER BY height DESC
-      LIMIT 10`;
+      LIMIT 100`;

    try {
      const [rows]: any[] = await DB.query(query, params);
@@ -1010,9 +1015,9 @@ class BlocksRepository {
  public async $savePool(id: string, poolId: number): Promise<void> {
    try {
      await DB.query(`
-        UPDATE blocks SET pool_id = ?
+        UPDATE blocks SET pool_id = ?, definition_hash = ?
        WHERE hash = ?`,
-        [poolId, id]
+        [poolId, poolsUpdater.currentSha, id]
      );
    } catch (e) {
      logger.err(`Cannot update block pool. Reason: ` + (e instanceof Error ? e.message : e));
@@ -1020,6 +1025,24 @@ class BlocksRepository {
    }
  }

+  /**
+   * Save block first seen time
+   * 
+   * @param id 
+   */
+  public async $saveFirstSeenTime(id: string, firstSeen: number): Promise<void> {
+    try {
+      await DB.query(`
+        UPDATE blocks SET first_seen = FROM_UNIXTIME(?)
+        WHERE hash = ?`,
+        [firstSeen, id]
+      );
+    } catch (e) {
+      logger.err(`Cannot update block first seen time. Reason: ` + (e instanceof Error ? e.message : e));
+      throw e;
+    }
+  }
+
  /**
   * Convert a mysql row block into a BlockExtended. Note that you
   * must provide the correct field into dbBlk object param
@@ -1054,6 +1077,7 @@ class BlocksRepository {
      id: dbBlk.poolId,
      name: dbBlk.poolName,
      slug: dbBlk.poolSlug,
+      minerNames: null,
    };
    extras.avgFee = dbBlk.avgFee;
    extras.avgFeeRate = dbBlk.avgFeeRate;
@@ -1076,6 +1100,7 @@ class BlocksRepository {
    extras.utxoSetSize = dbBlk.utxoSetSize;
    extras.totalInputAmt = dbBlk.totalInputAmt;
    extras.virtualSize = dbBlk.weight / 4.0;
+    extras.firstSeen = dbBlk.firstSeen;

    // Re-org can happen after indexing so we need to always get the
    // latest state from core
@@ -1123,6 +1148,10 @@ class BlocksRepository {
      }
    }

+    if (extras.pool.name === 'OCEAN') {
+      extras.pool.minerNames = parseDATUMTemplateCreator(extras.coinbaseRaw);
+    }
+
    blk.extras = <BlockExtension>extras;
    return <BlockExtended>blk;
  }
--- a/backend/src/rpc-api/commands.ts
+++ b/backend/src/rpc-api/commands.ts
@@ -83,6 +83,7 @@ module.exports = {
  signRawTransaction: 'signrawtransaction', // bitcoind v0.7.0+
  stop: 'stop',
  submitBlock: 'submitblock', // bitcoind v0.7.0+
+  submitPackage: 'submitpackage',
  validateAddress: 'validateaddress',
  verifyChain: 'verifychain', // bitcoind v0.9.0+
  verifyMessage: 'verifymessage',
--- a/backend/src/tasks/pools-updater.ts
+++ b/backend/src/tasks/pools-updater.ts
@@ -6,16 +6,30 @@ import backendInfo from '../api/backend-info';
 import logger from '../logger';
 import { SocksProxyAgent } from 'socks-proxy-agent';
 import * as https from 'https';
+import { Common } from '../api/common';

 /**
 * Maintain the most recent version of pools-v2.json
 */
 class PoolsUpdater {
+  tag = 'PoolsUpdater';
+
  lastRun: number = 0;
  currentSha: string | null = null;
  poolsUrl: string = config.MEMPOOL.POOLS_JSON_URL;
  treeUrl: string = config.MEMPOOL.POOLS_JSON_TREE_URL;

+  public async $startService(): Promise<void> {
+    while ('Bitcoin is still alive') {
+      try {
+        await this.updatePoolsJson();
+      } catch (e: any) {
+        logger.info(`Exception ${e} in PoolsUpdater::$startService. Code: ${e.code}. Message: ${e.message}`, this.tag);
+      }
+      await Common.sleep$(10000);
+    }
+  }
+
  public async updatePoolsJson(): Promise<void> {
    if (['mainnet', 'testnet', 'signet'].includes(config.MEMPOOL.NETWORK) === false ||
      config.MEMPOOL.ENABLED === false
@@ -23,11 +37,8 @@ class PoolsUpdater {
      return;
    }

-    const oneWeek = 604800;
-    const oneDay = 86400;
-
    const now = new Date().getTime() / 1000;
-    if (now - this.lastRun < oneWeek) { // Execute the PoolsUpdate only once a week, or upon restart
+    if (now - this.lastRun < config.MEMPOOL.POOLS_UPDATE_DELAY) { // Execute the PoolsUpdate only once a week, or upon restart
      return;
    }

@@ -43,7 +54,7 @@ class PoolsUpdater {
        this.currentSha = await this.getShaFromDb();
      }

-      logger.debug(`pools-v2.json sha | Current: ${this.currentSha} | Github: ${githubSha}`);
+      logger.debug(`pools-v2.json sha | Current: ${this.currentSha} | Github: ${githubSha}`, this.tag);
      if (this.currentSha !== null && this.currentSha === githubSha) {
        return;
      }
@@ -53,16 +64,16 @@ class PoolsUpdater {
        config.MEMPOOL.AUTOMATIC_POOLS_UPDATE !== true && // Automatic pools update is disabled
        !process.env.npm_config_update_pools // We're not manually updating mining pool
      ) {
-        logger.warn(`Updated mining pools data is available (${githubSha}) but AUTOMATIC_POOLS_UPDATE is disabled`);
-        logger.info(`You can update your mining pools using the --update-pools command flag. You may want to clear your nginx cache as well if applicable`);
+        logger.warn(`Updated mining pools data is available (${githubSha}) but AUTOMATIC_POOLS_UPDATE is disabled`, this.tag);
+        logger.info(`You can update your mining pools using the --update-pools command flag. You may want to clear your nginx cache as well if applicable`, this.tag);
        return;
      }

      const network = config.SOCKS5PROXY.ENABLED ? 'tor' : 'clearnet';
      if (this.currentSha === null) {
-        logger.info(`Downloading pools-v2.json for the first time from ${this.poolsUrl} over ${network}`, logger.tags.mining);
+        logger.info(`Downloading pools-v2.json for the first time from ${this.poolsUrl} over ${network}`, this.tag);
      } else {
-        logger.warn(`pools-v2.json is outdated, fetching latest from ${this.poolsUrl} over ${network}`, logger.tags.mining);
+        logger.warn(`pools-v2.json is outdated, fetching latest from ${this.poolsUrl} over ${network}`, this.tag);
      }
      const poolsJson = await this.query(this.poolsUrl);
      if (poolsJson === undefined) {
@@ -71,24 +82,24 @@ class PoolsUpdater {
      poolsParser.setMiningPools(poolsJson);

      if (config.DATABASE.ENABLED === false) { // Don't run db operations
-        logger.info(`Mining pools-v2.json (${githubSha}) import completed (no database)`);
+        logger.info(`Mining pools-v2.json (${githubSha}) import completed (no database)`, this.tag);
        return;
      }

      try {
        await DB.query('START TRANSACTION;');
-        await poolsParser.migratePoolsJson();
        await this.updateDBSha(githubSha);
+        await poolsParser.migratePoolsJson();
        await DB.query('COMMIT;');
      } catch (e) {
-        logger.err(`Could not migrate mining pools, rolling back. Exception: ${JSON.stringify(e)}`, logger.tags.mining);
+        logger.err(`Could not migrate mining pools, rolling back. Exception: ${JSON.stringify(e)}`, this.tag);
        await DB.query('ROLLBACK;');
      }
-      logger.info(`Mining pools-v2.json (${githubSha}) import completed`);
+      logger.info(`Mining pools-v2.json (${githubSha}) import completed`, this.tag);

    } catch (e) {
-      this.lastRun = now - (oneWeek - oneDay); // Try again in 24h instead of waiting next week
-      logger.err(`PoolsUpdater failed. Will try again in 24h. Exception: ${JSON.stringify(e)}`, logger.tags.mining);
+      this.lastRun = now - 600; // Try again in 10 minutes
+      logger.err(`PoolsUpdater failed. Will try again in 10 minutes. Exception: ${JSON.stringify(e)}`, this.tag);
    }
  }

@@ -102,7 +113,7 @@ class PoolsUpdater {
        await DB.query('DELETE FROM state where name="pools_json_sha"');
        await DB.query(`INSERT INTO state VALUES('pools_json_sha', NULL, '${githubSha}')`);
      } catch (e) {
-        logger.err('Cannot save github pools-v2.json sha into the db. Reason: ' + (e instanceof Error ? e.message : e), logger.tags.mining);
+        logger.err('Cannot save github pools-v2.json sha into the db. Reason: ' + (e instanceof Error ? e.message : e), this.tag);
      }
    }
  }
@@ -110,12 +121,12 @@ class PoolsUpdater {
  /**
   * Fetch our latest pools-v2.json sha from the db
   */
-  private async getShaFromDb(): Promise<string | null> {
+  public async getShaFromDb(): Promise<string | null> {
    try {
      const [rows]: any[] = await DB.query('SELECT string FROM state WHERE name="pools_json_sha"');
      return (rows.length > 0 ? rows[0].string : null);
    } catch (e) {
-      logger.err('Cannot fetch pools-v2.json sha from db. Reason: ' + (e instanceof Error ? e.message : e), logger.tags.mining);
+      logger.err('Cannot fetch pools-v2.json sha from db. Reason: ' + (e instanceof Error ? e.message : e), this.tag);
      return null;
    }
  }
@@ -134,7 +145,7 @@ class PoolsUpdater {
      }
    }

-    logger.err(`Cannot find "pools-v2.json" in git tree (${this.treeUrl})`, logger.tags.mining);
+    logger.err(`Cannot find "pools-v2.json" in git tree (${this.treeUrl})`, this.tag);
    return null;
  }

@@ -186,7 +197,7 @@ class PoolsUpdater {
        }
        return data.data;
      } catch (e) {
-        logger.err('Could not connect to Github. Reason: ' + (e instanceof Error ? e.message : e));
+        logger.err('Could not connect to Github. Reason: ' + (e instanceof Error ? e.message : e), this.tag);
        retry++;
      }
      await setDelay(config.MEMPOOL.EXTERNAL_RETRY_INTERVAL);
--- a/backend/src/utils/bitcoin-script.ts
+++ b/backend/src/utils/bitcoin-script.ts
@@ -200,4 +200,28 @@ export function getVarIntLength(n: number): number {
  } else {
    return 9;
  }
+}
+
+/** Extracts miner names from a DATUM coinbase transaction */
+export function parseDATUMTemplateCreator(coinbaseRaw: string): string[] | null {
+  let bytes: number[] = [];
+  for (let c = 0; c < coinbaseRaw.length; c += 2) {
+      bytes.push(parseInt(coinbaseRaw.slice(c, c + 2), 16));
+  }
+
+  // Skip block height
+  let tagLengthByte = 1 + bytes[0];
+
+  let tagsLength = bytes[tagLengthByte];
+  if (tagsLength == 0x4c) {
+    tagLengthByte += 1;
+    tagsLength = bytes[tagLengthByte];
+  }
+
+  const tagStart = tagLengthByte + 1;
+  const tags = bytes.slice(tagStart, tagStart + tagsLength);
+  let tagString = String.fromCharCode(...tags);
+  tagString = tagString.replace('\x00', '');
+
+  return tagString.split('\x0f').map((name) => name.replace(/[^a-zA-Z0-9 ]/g, ''));
 }
--- a/backend/src/utils/file-read.ts
+++ b/backend/src/utils/file-read.ts
@@ -0,0 +1,58 @@
+import * as fs from 'fs';
+import logger from '../logger';
+import config from '../config';
+
+function readFile(filePath: string, bufferSize?: number): string[] {
+  const fileSize = fs.statSync(filePath).size;
+  const chunkSize = bufferSize || fileSize;
+  const fileDescriptor = fs.openSync(filePath, 'r');
+  const buffer = Buffer.alloc(chunkSize);
+
+  fs.readSync(fileDescriptor, buffer, 0, chunkSize, fileSize - chunkSize);
+  fs.closeSync(fileDescriptor);
+
+  const lines = buffer.toString('utf8', 0, chunkSize).split('\n');
+  return lines;
+}
+
+function extractDateFromLogLine(line: string): number | undefined {
+  // Extract time from log: "2021-08-31T12:34:56Z" or "2021-08-31T12:34:56.123456Z"
+  const dateMatch = line.match(/^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(?:\.\d{6})?Z/);
+  if (!dateMatch) {
+    return undefined;
+  }
+
+  const dateStr = dateMatch[0];
+  const date = new Date(dateStr);
+  let timestamp = Math.floor(date.getTime() / 1000); // Remove decimal (microseconds are added later)
+
+  const timePart = dateStr.split('T')[1];
+  const microseconds = timePart.split('.')[1] || '';
+
+  if (!microseconds) {
+    return timestamp;
+  }
+
+  return parseFloat(timestamp + '.' + microseconds);
+}
+
+export function getRecentFirstSeen(hash: string): number | undefined {
+  const debugLogPath = config.CORE_RPC.DEBUG_LOG_PATH;
+  if (debugLogPath) {
+    try {
+      // Read the last few lines of debug.log
+      const lines = readFile(debugLogPath, 2048);
+
+      for (let i = lines.length - 1; i >= 0; i--) {
+        const line = lines[i];
+        if (line && line.includes(`Saw new header hash=${hash}`)) {
+          return extractDateFromLogLine(line);
+        }
+      }
+    } catch (e) {
+      logger.err(`Cannot parse block first seen time from Core logs. Reason: ` + (e instanceof Error ? e.message : e));
+    }
+  }
+
+  return undefined;
+}
--- a/docker/README.md
+++ b/docker/README.md
@@ -109,6 +109,7 @@ Below we list all settings from `mempool-config.json` and the corresponding over
    "AUTOMATIC_POOLS_UPDATE": false,
    "POOLS_JSON_URL": "https://raw.githubusercontent.com/mempool/mining-pools/master/pools-v2.json",
    "POOLS_JSON_TREE_URL": "https://api.github.com/repos/mempool/mining-pools/git/trees/master",
+    "POOLS_UPDATE_DELAY": 604800,
    "CPFP_INDEXING": false,
    "MAX_BLOCKS_BULK_QUERY": 0,
    "DISK_CACHE_BLOCK_INTERVAL": 6,
@@ -140,6 +141,7 @@ Corresponding `docker-compose.yml` overrides:
      MEMPOOL_AUTOMATIC_POOLS_UPDATE: ""
      MEMPOOL_POOLS_JSON_URL: ""
      MEMPOOL_POOLS_JSON_TREE_URL: ""
+      MEMPOOL_POOLS_UPDATE_DELAY: ""
      MEMPOOL_CPFP_INDEXING: ""
      MEMPOOL_MAX_BLOCKS_BULK_QUERY: ""
      MEMPOOL_DISK_CACHE_BLOCK_INTERVAL: ""
--- a/docker/backend/mempool-config.json
+++ b/docker/backend/mempool-config.json
@@ -36,6 +36,7 @@
    "ALLOW_UNREACHABLE": __MEMPOOL_ALLOW_UNREACHABLE__,
    "POOLS_JSON_TREE_URL": "__MEMPOOL_POOLS_JSON_TREE_URL__",
    "POOLS_JSON_URL": "__MEMPOOL_POOLS_JSON_URL__",
+    "POOLS_UPDATE_DELAY": __MEMPOOL_POOLS_UPDATE_DELAY__,
    "PRICE_UPDATES_PER_HOUR": __MEMPOOL_PRICE_UPDATES_PER_HOUR__,
    "MAX_TRACKED_ADDRESSES": __MEMPOOL_MAX_TRACKED_ADDRESSES__
  },
@@ -46,7 +47,8 @@
    "PASSWORD": "__CORE_RPC_PASSWORD__",
    "TIMEOUT": __CORE_RPC_TIMEOUT__,
    "COOKIE": __CORE_RPC_COOKIE__,
-    "COOKIE_PATH": "__CORE_RPC_COOKIE_PATH__"
+    "COOKIE_PATH": "__CORE_RPC_COOKIE_PATH__",
+    "DEBUG_LOG_PATH": "__CORE_RPC_DEBUG_LOG_PATH__"
  },
  "ELECTRUM": {
    "HOST": "__ELECTRUM_HOST__",
@@ -146,6 +148,10 @@
    "API": "__MEMPOOL_SERVICES_API__",
    "ACCELERATIONS": __MEMPOOL_SERVICES_ACCELERATIONS__
  },
+  "STRATUM": {
+    "ENABLED": __STRATUM_ENABLED__,
+    "API": "__STRATUM_API__"
+  },
  "REDIS": {
    "ENABLED": __REDIS_ENABLED__,
    "UNIX_SOCKET_PATH": "__REDIS_UNIX_SOCKET_PATH__",
--- a/docker/backend/start.sh
+++ b/docker/backend/start.sh
@@ -29,8 +29,9 @@ __MEMPOOL_STDOUT_LOG_MIN_PRIORITY__=${MEMPOOL_STDOUT_LOG_MIN_PRIORITY:=info}
 __MEMPOOL_AUTOMATIC_POOLS_UPDATE__=${MEMPOOL_AUTOMATIC_POOLS_UPDATE:=false}
 __MEMPOOL_POOLS_JSON_URL__=${MEMPOOL_POOLS_JSON_URL:=https://raw.githubusercontent.com/mempool/mining-pools/master/pools-v2.json}
 __MEMPOOL_POOLS_JSON_TREE_URL__=${MEMPOOL_POOLS_JSON_TREE_URL:=https://api.github.com/repos/mempool/mining-pools/git/trees/master}
+__MEMPOOL_POOLS_UPDATE_DELAY__=${MEMPOOL_POOLS_UPDATE_DELAY:=604800}
 __MEMPOOL_AUDIT__=${MEMPOOL_AUDIT:=false}
-__MEMPOOL_RUST_GBT__=${MEMPOOL_RUST_GBT:=false}
+__MEMPOOL_RUST_GBT__=${MEMPOOL_RUST_GBT:=true}
 __MEMPOOL_LIMIT_GBT__=${MEMPOOL_LIMIT_GBT:=false}
 __MEMPOOL_CPFP_INDEXING__=${MEMPOOL_CPFP_INDEXING:=false}
 __MEMPOOL_MAX_BLOCKS_BULK_QUERY__=${MEMPOOL_MAX_BLOCKS_BULK_QUERY:=0}
@@ -48,6 +49,7 @@ __CORE_RPC_PASSWORD__=${CORE_RPC_PASSWORD:=mempool}
 __CORE_RPC_TIMEOUT__=${CORE_RPC_TIMEOUT:=60000}
 __CORE_RPC_COOKIE__=${CORE_RPC_COOKIE:=false}
 __CORE_RPC_COOKIE_PATH__=${CORE_RPC_COOKIE_PATH:=""}
+__CORE_RPC_DEBUG_LOG_PATH__=${CORE_RPC_DEBUG_LOG_PATH:=""}

 # ELECTRUM
 __ELECTRUM_HOST__=${ELECTRUM_HOST:=127.0.0.1}
@@ -147,6 +149,10 @@ __REPLICATION_SERVERS__=${REPLICATION_SERVERS:=[]}
 __MEMPOOL_SERVICES_API__=${MEMPOOL_SERVICES_API:="https://mempool.space/api/v1/services"}
 __MEMPOOL_SERVICES_ACCELERATIONS__=${MEMPOOL_SERVICES_ACCELERATIONS:=false}

+# STRATUM
+__STRATUM_ENABLED__=${STRATUM_ENABLED:=false}
+__STRATUM_API__=${STRATUM_API:="http://localhost:1234"}
+
 # REDIS
 __REDIS_ENABLED__=${REDIS_ENABLED:=false}
 __REDIS_UNIX_SOCKET_PATH__=${REDIS_UNIX_SOCKET_PATH:=""}
@@ -187,6 +193,7 @@ sed -i "s!__MEMPOOL_STDOUT_LOG_MIN_PRIORITY__!${__MEMPOOL_STDOUT_LOG_MIN_PRIORIT
 sed -i "s!__MEMPOOL_AUTOMATIC_POOLS_UPDATE__!${__MEMPOOL_AUTOMATIC_POOLS_UPDATE__}!g" mempool-config.json
 sed -i "s!__MEMPOOL_POOLS_JSON_URL__!${__MEMPOOL_POOLS_JSON_URL__}!g" mempool-config.json
 sed -i "s!__MEMPOOL_POOLS_JSON_TREE_URL__!${__MEMPOOL_POOLS_JSON_TREE_URL__}!g" mempool-config.json
+sed -i "s!__MEMPOOL_POOLS_UPDATE_DELAY__!${__MEMPOOL_POOLS_UPDATE_DELAY__}!g" mempool-config.json
 sed -i "s!__MEMPOOL_AUDIT__!${__MEMPOOL_AUDIT__}!g" mempool-config.json
 sed -i "s!__MEMPOOL_RUST_GBT__!${__MEMPOOL_RUST_GBT__}!g" mempool-config.json
 sed -i "s!__MEMPOOL_LIMIT_GBT__!${__MEMPOOL_LIMIT_GBT__}!g" mempool-config.json
@@ -205,6 +212,7 @@ sed -i "s!__CORE_RPC_PASSWORD__!${__CORE_RPC_PASSWORD__}!g" mempool-config.json
 sed -i "s!__CORE_RPC_TIMEOUT__!${__CORE_RPC_TIMEOUT__}!g" mempool-config.json
 sed -i "s!__CORE_RPC_COOKIE__!${__CORE_RPC_COOKIE__}!g" mempool-config.json
 sed -i "s!__CORE_RPC_COOKIE_PATH__!${__CORE_RPC_COOKIE_PATH__}!g" mempool-config.json
+sed -i "s!__CORE_RPC_DEBUG_LOG_PATH__!${__CORE_RPC_DEBUG_LOG_PATH__}!g" mempool-config.json

 sed -i "s!__ELECTRUM_HOST__!${__ELECTRUM_HOST__}!g" mempool-config.json
 sed -i "s!__ELECTRUM_PORT__!${__ELECTRUM_PORT__}!g" mempool-config.json
@@ -296,6 +304,10 @@ sed -i "s!__REPLICATION_SERVERS__!${__REPLICATION_SERVERS__}!g" mempool-config.j
 sed -i "s!__MEMPOOL_SERVICES_API__!${__MEMPOOL_SERVICES_API__}!g" mempool-config.json
 sed -i "s!__MEMPOOL_SERVICES_ACCELERATIONS__!${__MEMPOOL_SERVICES_ACCELERATIONS__}!g" mempool-config.json

+# STRATUM
+sed -i "s!__STRATUM_ENABLED__!${__STRATUM_ENABLED__}!g" mempool-config.json
+sed -i "s!__STRATUM_API__!${__STRATUM_API__}!g" mempool-config.json
+
 # REDIS
 sed -i "s!__REDIS_ENABLED__!${__REDIS_ENABLED__}!g" mempool-config.json
 sed -i "s!__REDIS_UNIX_SOCKET_PATH__!${__REDIS_UNIX_SOCKET_PATH__}!g" mempool-config.json
--- a/docker/docker-compose.yml
+++ b/docker/docker-compose.yml
@@ -11,10 +11,14 @@ services:
    stop_grace_period: 1m
    command: "./wait-for db:3306 --timeout=720 -- nginx -g 'daemon off;'"
    ports:
-      - 80:8080
+      - 8080:8080
  api:
    environment:
-      MEMPOOL_BACKEND: "none"
+      MEMPOOL_BACKEND: "electrum"
+      ELECTRUM_HOST: "172.27.0.1"
+      ELECTRUM_PORT: "50001"
+      ELECTRUM_TLS_ENABLED: "false"
+
      CORE_RPC_HOST: "172.27.0.1"
      CORE_RPC_PORT: "8332"
      CORE_RPC_USERNAME: "mempool"
--- a/docker/frontend/entrypoint.sh
+++ b/docker/frontend/entrypoint.sh
@@ -45,6 +45,7 @@ __SERVICES_API__=${SERVICES_API:=https://mempool.space/api/v1/services}
 __PUBLIC_ACCELERATIONS__=${PUBLIC_ACCELERATIONS:=false}
 __HISTORICAL_PRICE__=${HISTORICAL_PRICE:=true}
 __ADDITIONAL_CURRENCIES__=${ADDITIONAL_CURRENCIES:=false}
+__STRATUM_ENABLED__=${STRATUM_ENABLED:=false}

 # Export as environment variables to be used by envsubst
 export __MAINNET_ENABLED__
@@ -76,6 +77,7 @@ export __SERVICES_API__
 export __PUBLIC_ACCELERATIONS__
 export __HISTORICAL_PRICE__
 export __ADDITIONAL_CURRENCIES__
+export __STRATUM_ENABLED__

 folder=$(find /var/www/mempool -name "config.js" | xargs dirname)
 echo ${folder}
--- a/docker/init.sh
+++ b/docker/init.sh
@@ -13,8 +13,8 @@ localhostIP="127.0.0.1"
 cp ./docker/frontend/* ./frontend
 cp ./nginx.conf ./frontend/
 cp ./nginx-mempool.conf ./frontend/
-sed -i"" -e "s/${localhostIP}:80/0.0.0.0:__MEMPOOL_FRONTEND_HTTP_PORT__/g" ./frontend/nginx.conf
-sed -i"" -e "s/${localhostIP}/0.0.0.0/g" ./frontend/nginx.conf
+# sed -i"" -e "s/${localhostIP}:80/0.0.0.0:__MEMPOOL_FRONTEND_HTTP_PORT__/g" ./frontend/nginx.conf
+# sed -i"" -e "s/${localhostIP}/0.0.0.0/g" ./frontend/nginx.conf
 sed -i"" -e "s/user nobody;//g" ./frontend/nginx.conf
 sed -i"" -e "s!/etc/nginx/nginx-mempool.conf!/etc/nginx/conf.d/nginx-mempool.conf!g" ./frontend/nginx.conf
 sed -i"" -e "s/${localhostIP}:8999/__MEMPOOL_BACKEND_MAINNET_HTTP_HOST__:__MEMPOOL_BACKEND_MAINNET_HTTP_PORT__/g" ./frontend/nginx-mempool.conf
--- a/frontend/custom-bitb-config.json
+++ b/frontend/custom-bitb-config.json
@@ -0,0 +1,48 @@
+{
+  "theme": "wiz",
+  "enterprise": "bitb",
+  "branding": {
+    "name": "bitb",
+    "title": "BITB",
+    "site_id": 20,
+    "header_img": "/resources/bitblogo.svg",
+    "footer_img": "/resources/bitblogo.svg"
+  },
+  "dashboard": {
+    "widgets": [
+      {
+        "component": "fees",
+        "mobileOrder": 4
+      },
+      {
+        "component": "walletBalance",
+        "mobileOrder": 1,
+        "props": {
+          "wallet": "BITB"
+        }
+      },
+      {
+        "component": "goggles",
+        "mobileOrder": 5
+      },
+      {
+        "component": "wallet",
+        "mobileOrder": 2,
+        "props": {
+          "wallet": "BITB",
+          "period": "all"
+        }
+      },
+      {
+        "component": "blocks"
+      },
+      {
+        "component": "walletTransactions",
+        "mobileOrder": 3,
+        "props": {
+          "wallet": "BITB"
+        }
+      }
+    ]
+  }
+}
--- a/frontend/custom-meta-config.json
+++ b/frontend/custom-meta-config.json
@@ -0,0 +1,51 @@
+{
+  "theme": "contrast",
+  "enterprise": "meta",
+  "branding": {
+    "name": "metaplanet",
+    "title": "Metaplanet",
+    "site_id": 21,
+    "header_img": "/resources/metalogo.svg",
+    "footer_img": "/resources/metalogo.svg"
+  },
+  "dashboard": {
+    "widgets": [
+      {
+        "component": "fees",
+        "mobileOrder": 4
+      },
+      {
+        "component": "walletBalance",
+        "mobileOrder": 1,
+        "props": {
+          "wallet": "3350"
+        }
+      },
+      {
+        "component": "twitter",
+        "mobileOrder": 5,
+        "props": {
+          "handle": "Metaplanet_JP"
+        }
+      },
+      {
+        "component": "wallet",
+        "mobileOrder": 2,
+        "props": {
+          "wallet": "3350",
+          "period": "all"
+        }
+      },
+      {
+        "component": "blocks"
+      },
+      {
+        "component": "walletTransactions",
+        "mobileOrder": 3,
+        "props": {
+          "wallet": "3350"
+        }
+      }
+    ]
+  }
+}
--- a/frontend/cypress/e2e/mainnet/mainnet.spec.ts
+++ b/frontend/cypress/e2e/mainnet/mainnet.spec.ts
@@ -344,7 +344,9 @@ describe('Mainnet', () => {
      cy.visit('/');
      cy.waitForSkeletonGone();

-      cy.changeNetwork('testnet4');
+      //TODO(knorrium): add a check for the proxied server
+      // cy.changeNetwork('testnet4');
+
      cy.changeNetwork('signet');
      cy.changeNetwork('mainnet');
    });
--- a/frontend/mempool-frontend-config.sample.json
+++ b/frontend/mempool-frontend-config.sample.json
@@ -27,5 +27,6 @@
  "ACCELERATOR": false,
  "ACCELERATOR_BUTTON": true,
  "PUBLIC_ACCELERATIONS": false,
+  "STRATUM_ENABLED": false,
  "SERVICES_API": "https://mempool.space/api/v1/services"
 }
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -76,9 +76,9 @@
    "@angular/router": "^17.3.1",
    "@angular/ssr": "^17.3.1",
    "@fortawesome/angular-fontawesome": "~0.14.1",
-    "@fortawesome/fontawesome-common-types": "~6.6.0",
-    "@fortawesome/fontawesome-svg-core": "~6.6.0",
-    "@fortawesome/free-solid-svg-icons": "~6.6.0",
+    "@fortawesome/fontawesome-common-types": "~6.7.2",
+    "@fortawesome/fontawesome-svg-core": "~6.7.2",
+    "@fortawesome/free-solid-svg-icons": "~6.7.2",
    "@mempool/mempool.js": "2.3.0",
    "@ng-bootstrap/ng-bootstrap": "^16.0.0",
    "@types/qrcode": "~1.5.0",
@@ -86,16 +86,15 @@
    "browserify": "^17.0.0",
    "clipboard": "^2.0.11",
    "domino": "^2.1.6",
-    "echarts": "~5.5.0",
-    "lightweight-charts": "~3.8.0",
+    "echarts": "~5.6.0",
    "ngx-echarts": "~17.2.0",
    "ngx-infinite-scroll": "^17.0.0",
    "qrcode": "1.5.1",
    "rxjs": "~7.8.1",
-    "esbuild": "^0.23.0",
+    "esbuild": "^0.24.0",
    "tinyify": "^4.0.0",
    "tlite": "^0.1.9",
-    "tslib": "~2.7.0",
+    "tslib": "~2.8.0",
    "zone.js": "~0.14.4"
  },
  "devDependencies": {
@@ -105,7 +104,7 @@
    "@typescript-eslint/eslint-plugin": "^7.4.0",
    "@typescript-eslint/parser": "^7.4.0",
    "eslint": "^8.57.0",
-    "browser-sync": "^3.0.0",
+    "browser-sync": "^3.0.3",
    "http-proxy-middleware": "~2.0.6",
    "prettier": "^3.0.0",
    "source-map-support": "^0.5.21",
@@ -115,7 +114,7 @@
  "optionalDependencies": {
    "@cypress/schematic": "^2.5.0",
    "@types/cypress": "^1.1.3",
-    "cypress": "^13.14.0",
+    "cypress": "^13.17.0",
    "cypress-fail-on-console-error": "~5.1.0",
    "cypress-wait-until": "^2.0.1",
    "mock-socket": "~9.3.1",
--- a/frontend/proxy.conf.staging.js
+++ b/frontend/proxy.conf.staging.js
@@ -3,8 +3,10 @@ const fs = require('fs');
 let PROXY_CONFIG = require('./proxy.conf');

 PROXY_CONFIG.forEach(entry => {
-  entry.target = entry.target.replace("mempool.space", "mempool-staging.fra.mempool.space");
-  entry.target = entry.target.replace("liquid.network", "liquid-staging.fra.mempool.space");
+  const hostname = process.env.CYPRESS_REROUTE_TESTNET === 'true' ? 'mempool-staging.fra.mempool.space' : 'node201.fmt.mempool.space';
+  console.log(`e2e tests running against ${hostname}`);
+  entry.target = entry.target.replace("mempool.space", hostname);
+  entry.target = entry.target.replace("liquid.network", "liquid-staging.fmt.mempool.space");
 });

 module.exports = PROXY_CONFIG;
--- a/frontend/src/app/app-routing.module.ts
+++ b/frontend/src/app/app-routing.module.ts
@@ -1,15 +1,15 @@
 import { NgModule } from '@angular/core';
 import { Routes, RouterModule } from '@angular/router';
-import { AppPreloadingStrategy } from './app.preloading-strategy'
-import { BlockViewComponent } from './components/block-view/block-view.component';
-import { EightBlocksComponent } from './components/eight-blocks/eight-blocks.component';
-import { MempoolBlockViewComponent } from './components/mempool-block-view/mempool-block-view.component';
-import { ClockComponent } from './components/clock/clock.component';
-import { StatusViewComponent } from './components/status-view/status-view.component';
-import { AddressGroupComponent } from './components/address-group/address-group.component';
-import { TrackerComponent } from './components/tracker/tracker.component';
-import { AccelerateCheckout } from './components/accelerate-checkout/accelerate-checkout.component';
-import { TrackerGuard } from './route-guards';
+import { AppPreloadingStrategy } from '@app/app.preloading-strategy'
+import { BlockViewComponent } from '@components/block-view/block-view.component';
+import { EightBlocksComponent } from '@components/eight-blocks/eight-blocks.component';
+import { MempoolBlockViewComponent } from '@components/mempool-block-view/mempool-block-view.component';
+import { ClockComponent } from '@components/clock/clock.component';
+import { StatusViewComponent } from '@components/status-view/status-view.component';
+import { AddressGroupComponent } from '@components/address-group/address-group.component';
+import { TrackerComponent } from '@components/tracker/tracker.component';
+import { AccelerateCheckout } from '@components/accelerate-checkout/accelerate-checkout.component';
+import { TrackerGuard } from '@app/route-guards';

 const browserWindow = window || {};
 // @ts-ignore
@@ -22,16 +22,16 @@ let routes: Routes = [
      {
        path: '',
        pathMatch: 'full',
-        loadChildren: () => import('./bitcoin-graphs.module').then(m => m.BitcoinGraphsModule),
+        loadChildren: () => import('@app/bitcoin-graphs.module').then(m => m.BitcoinGraphsModule),
        data: { preload: true },
      },
      {
        path: '',
-        loadChildren: () => import('./master-page.module').then(m => m.MasterPageModule),
+        loadChildren: () => import('@app/master-page.module').then(m => m.MasterPageModule),
        data: { preload: true },
      },
      {
-        path: 'wallet',
+        path: 'widget/wallet',
        children: [],
        component: AddressGroupComponent,
        data: {
@@ -45,7 +45,7 @@ let routes: Routes = [
      },
      {
        path: '',
-        loadChildren: () => import('./bitcoin-graphs.module').then(m => m.BitcoinGraphsModule),
+        loadChildren: () => import('@app/bitcoin-graphs.module').then(m => m.BitcoinGraphsModule),
        data: { preload: true },
      },
      {
@@ -60,12 +60,12 @@ let routes: Routes = [
      {
        path: '',
        pathMatch: 'full',
-        loadChildren: () => import('./bitcoin-graphs.module').then(m => m.BitcoinGraphsModule),
+        loadChildren: () => import('@app/bitcoin-graphs.module').then(m => m.BitcoinGraphsModule),
        data: { preload: true },
      },
      {
        path: '',
-        loadChildren: () => import('./master-page.module').then(m => m.MasterPageModule),
+        loadChildren: () => import('@app/master-page.module').then(m => m.MasterPageModule),
        data: { preload: true },
      },
      {
@@ -83,7 +83,7 @@ let routes: Routes = [
      },
      {
        path: '',
-        loadChildren: () => import('./bitcoin-graphs.module').then(m => m.BitcoinGraphsModule),
+        loadChildren: () => import('@app/bitcoin-graphs.module').then(m => m.BitcoinGraphsModule),
        data: { preload: true },
      },
      {
@@ -103,16 +103,16 @@ let routes: Routes = [
      {
        path: '',
        pathMatch: 'full',
-        loadChildren: () => import('./bitcoin-graphs.module').then(m => m.BitcoinGraphsModule),
+        loadChildren: () => import('@app/bitcoin-graphs.module').then(m => m.BitcoinGraphsModule),
        data: { preload: true },
      },
      {
        path: '',
-        loadChildren: () => import('./master-page.module').then(m => m.MasterPageModule),
+        loadChildren: () => import('@app/master-page.module').then(m => m.MasterPageModule),
        data: { preload: true },
      },
      {
-        path: 'wallet',
+        path: 'widget/wallet',
        children: [],
        component: AddressGroupComponent,
        data: {
@@ -126,7 +126,7 @@ let routes: Routes = [
      },
      {
        path: '',
-        loadChildren: () => import('./bitcoin-graphs.module').then(m => m.BitcoinGraphsModule),
+        loadChildren: () => import('@app/bitcoin-graphs.module').then(m => m.BitcoinGraphsModule),
        data: { preload: true },
      },
      {
@@ -138,22 +138,22 @@ let routes: Routes = [
  {
    path: '',
    pathMatch: 'full',
-    loadChildren: () => import('./bitcoin-graphs.module').then(m => m.BitcoinGraphsModule),
+    loadChildren: () => import('@app/bitcoin-graphs.module').then(m => m.BitcoinGraphsModule),
    data: { preload: true },
  },
  {
    path: 'tx',
    canMatch: [TrackerGuard],
    runGuardsAndResolvers: 'always',
-    loadChildren: () => import('./components/tracker/tracker.module').then(m => m.TrackerModule),
+    loadChildren: () => import('@components/tracker/tracker.module').then(m => m.TrackerModule),
  },
  {
    path: '',
-    loadChildren: () => import('./master-page.module').then(m => m.MasterPageModule),
+    loadChildren: () => import('@app/master-page.module').then(m => m.MasterPageModule),
    data: { preload: true },
  },
  {
-    path: 'wallet',
+    path: 'widget/wallet',
    children: [],
    component: AddressGroupComponent,
    data: {
@@ -165,19 +165,19 @@ let routes: Routes = [
    children: [
      {
        path: '',
-        loadChildren: () => import('./previews.module').then(m => m.PreviewsModule)
+        loadChildren: () => import('@app/previews.module').then(m => m.PreviewsModule)
      },
      {
        path: 'testnet',
-        loadChildren: () => import('./previews.module').then(m => m.PreviewsModule)
+        loadChildren: () => import('@app/previews.module').then(m => m.PreviewsModule)
      },
      {
        path: 'testnet4',
-        loadChildren: () => import('./previews.module').then(m => m.PreviewsModule)
+        loadChildren: () => import('@app/previews.module').then(m => m.PreviewsModule)
      },
      {
        path: 'signet',
-        loadChildren: () => import('./previews.module').then(m => m.PreviewsModule)
+        loadChildren: () => import('@app/previews.module').then(m => m.PreviewsModule)
      },
    ],
  },
@@ -212,7 +212,7 @@ let routes: Routes = [
  },
  {
    path: '',
-    loadChildren: () => import('./bitcoin-graphs.module').then(m => m.BitcoinGraphsModule),
+    loadChildren: () => import('@app/bitcoin-graphs.module').then(m => m.BitcoinGraphsModule),
    data: { preload: true },
  },
 ];
@@ -225,16 +225,16 @@ if (browserWindowEnv && browserWindowEnv.BASE_MODULE === 'liquid') {
        {
          path: '',
          pathMatch: 'full',
-          loadChildren: () => import('./liquid/liquid-graphs.module').then(m => m.LiquidGraphsModule),
+          loadChildren: () => import('@app/liquid/liquid-graphs.module').then(m => m.LiquidGraphsModule),
          data: { preload: true },
        },
        {
          path: '',
-          loadChildren: () => import ('./liquid/liquid-master-page.module').then(m => m.LiquidMasterPageModule),
+          loadChildren: () => import ('@app/liquid/liquid-master-page.module').then(m => m.LiquidMasterPageModule),
          data: { preload: true },
        },
        {
-          path: 'wallet',
+          path: 'widget/wallet',
          children: [],
          component: AddressGroupComponent,
          data: {
@@ -248,7 +248,7 @@ if (browserWindowEnv && browserWindowEnv.BASE_MODULE === 'liquid') {
        },
        {
          path: '',
-          loadChildren: () => import('./liquid/liquid-graphs.module').then(m => m.LiquidGraphsModule),
+          loadChildren: () => import('@app/liquid/liquid-graphs.module').then(m => m.LiquidGraphsModule),
          data: { preload: true },
        },
        {
@@ -260,16 +260,16 @@ if (browserWindowEnv && browserWindowEnv.BASE_MODULE === 'liquid') {
    {
      path: '',
      pathMatch: 'full',
-      loadChildren: () => import('./liquid/liquid-graphs.module').then(m => m.LiquidGraphsModule),
+      loadChildren: () => import('@app/liquid/liquid-graphs.module').then(m => m.LiquidGraphsModule),
      data: { preload: true },
    },
    {
      path: '',
-      loadChildren: () => import ('./liquid/liquid-master-page.module').then(m => m.LiquidMasterPageModule),
+      loadChildren: () => import ('@app/liquid/liquid-master-page.module').then(m => m.LiquidMasterPageModule),
      data: { preload: true },
    },
    {
-      path: 'wallet',
+      path: 'widget/wallet',
      children: [],
      component: AddressGroupComponent,
      data: {
@@ -281,11 +281,11 @@ if (browserWindowEnv && browserWindowEnv.BASE_MODULE === 'liquid') {
      children: [
        {
          path: '',
-          loadChildren: () => import('./previews.module').then(m => m.PreviewsModule)
+          loadChildren: () => import('@app/previews.module').then(m => m.PreviewsModule)
        },
        {
          path: 'testnet',
-          loadChildren: () => import('./previews.module').then(m => m.PreviewsModule)
+          loadChildren: () => import('@app/previews.module').then(m => m.PreviewsModule)
        },
      ],
    },
@@ -296,7 +296,7 @@ if (browserWindowEnv && browserWindowEnv.BASE_MODULE === 'liquid') {
    },
    {
      path: '',
-      loadChildren: () => import('./liquid/liquid-graphs.module').then(m => m.LiquidGraphsModule),
+      loadChildren: () => import('@app/liquid/liquid-graphs.module').then(m => m.LiquidGraphsModule),
      data: { preload: true },
    },
  ];
--- a/frontend/src/app/app.constants.ts
+++ b/frontend/src/app/app.constants.ts
@@ -439,4 +439,39 @@ export const fiatCurrencies = {
    code: 'ZAR',
    indexed: true,
  },
-};
+};
+
+export interface Timezone {
+  offset: string;
+  name: string;
+}
+
+export const timezones: Timezone[] = [
+  { offset: '-12', name: 'Anywhere on Earth (AoE)' },
+  { offset: '-11', name: 'Samoa Standard Time (SST)' },
+  { offset: '-10', name: 'Hawaii Standard Time (HST)' },
+  { offset: '-9', name: 'Alaska Standard Time (AKST)' },
+  { offset: '-8', name: 'Pacific Standard Time (PST)' },
+  { offset: '-7', name: 'Mountain Standard Time (MST)' },
+  { offset: '-6', name: 'Central Standard Time (CST)' },
+  { offset: '-5', name: 'Eastern Standard Time (EST)' },
+  { offset: '-4', name: 'Atlantic Standard Time (AST)' },
+  { offset: '-3', name: 'Argentina Time (ART)' },
+  { offset: '-2', name: 'Fernando de Noronha Time (FNT)' },
+  { offset: '-1', name: 'Azores Time (AZOT)' },
+  { offset: '+0', name: 'Greenwich Mean Time (GMT)' },
+  { offset: '+1', name: 'Central European Time (CET)' },
+  { offset: '+2', name: 'Eastern European Time (EET)' },
+  { offset: '+3', name: 'Moscow Standard Time (MSK)' },
+  { offset: '+4', name: 'Armenia Time (AMT)' },
+  { offset: '+5', name: 'Pakistan Standard Time (PKT)' },
+  { offset: '+6', name: 'Xinjiang Time (XJT)' },
+  { offset: '+7', name: 'Indochina Time (ICT)' },
+  { offset: '+8', name: 'Hong Kong Time (HKT)' },
+  { offset: '+9', name: 'Japan Standard Time (JST)' },
+  { offset: '+10', name: 'Australian Eastern Standard Time (AEST)' },
+  { offset: '+11', name: 'Norfolk Time (NFT)' },
+  { offset: '+12', name: 'New Zealand Standard Time (NZST)' },
+  { offset: '+13', name: 'Tonga Time (TOT)' },
+  { offset: '+14', name: 'Line Islands Time (LINT)' }
+];
--- a/frontend/src/app/app.module.server.ts
+++ b/frontend/src/app/app.module.server.ts
@@ -2,11 +2,11 @@ import { HTTP_INTERCEPTORS } from '@angular/common/http';
 import { NgModule } from '@angular/core';
 import { ServerModule } from '@angular/platform-server';

-import { ZONE_SERVICE } from './injection-tokens';
+import { ZONE_SERVICE } from '@app/injection-tokens';
 import { AppModule } from './app.module';
-import { AppComponent } from './components/app/app.component';
-import { HttpCacheInterceptor } from './services/http-cache.interceptor';
-import { ZoneService } from './services/zone.service';
+import { AppComponent } from '@components/app/app.component';
+import { HttpCacheInterceptor } from '@app/services/http-cache.interceptor';
+import { ZoneService } from '@app/services/zone.service';


@NgModule({
@@ -20,4 +20,4 @@ import { ZoneService } from './services/zone.service';
  ],
  bootstrap: [AppComponent],
 })
-export class AppServerModule {}
+export class AppServerModule {}
--- a/frontend/src/app/app.module.ts
+++ b/frontend/src/app/app.module.ts
@@ -2,35 +2,38 @@ import { BrowserModule } from '@angular/platform-browser';
 import { ModuleWithProviders, NgModule } from '@angular/core';
 import { HttpClientModule, HTTP_INTERCEPTORS } from '@angular/common/http';
 import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
-import { ZONE_SERVICE } from './injection-tokens';
+import { ZONE_SERVICE } from '@app/injection-tokens';
 import { AppRoutingModule } from './app-routing.module';
-import { AppComponent } from './components/app/app.component';
-import { ElectrsApiService } from './services/electrs-api.service';
-import { StateService } from './services/state.service';
-import { CacheService } from './services/cache.service';
-import { PriceService } from './services/price.service';
-import { EnterpriseService } from './services/enterprise.service';
-import { WebsocketService } from './services/websocket.service';
-import { AudioService } from './services/audio.service';
-import { PreloadService } from './services/preload.service';
-import { SeoService } from './services/seo.service';
-import { OpenGraphService } from './services/opengraph.service';
-import { ZoneService } from './services/zone-shim.service';
-import { SharedModule } from './shared/shared.module';
-import { StorageService } from './services/storage.service';
-import { HttpCacheInterceptor } from './services/http-cache.interceptor';
-import { LanguageService } from './services/language.service';
-import { ThemeService } from './services/theme.service';
-import { FiatShortenerPipe } from './shared/pipes/fiat-shortener.pipe';
-import { FiatCurrencyPipe } from './shared/pipes/fiat-currency.pipe';
-import { ShortenStringPipe } from './shared/pipes/shorten-string-pipe/shorten-string.pipe';
-import { CapAddressPipe } from './shared/pipes/cap-address-pipe/cap-address-pipe';
-import { AppPreloadingStrategy } from './app.preloading-strategy';
-import { ServicesApiServices } from './services/services-api.service';
+import { AppComponent } from '@components/app/app.component';
+import { ElectrsApiService } from '@app/services/electrs-api.service';
+import { OrdApiService } from '@app/services/ord-api.service';
+import { StateService } from '@app/services/state.service';
+import { CacheService } from '@app/services/cache.service';
+import { PriceService } from '@app/services/price.service';
+import { EnterpriseService } from '@app/services/enterprise.service';
+import { WebsocketService } from '@app/services/websocket.service';
+import { AudioService } from '@app/services/audio.service';
+import { PreloadService } from '@app/services/preload.service';
+import { SeoService } from '@app/services/seo.service';
+import { OpenGraphService } from '@app/services/opengraph.service';
+import { ZoneService } from '@app/services/zone-shim.service';
+import { SharedModule } from '@app/shared/shared.module';
+import { StorageService } from '@app/services/storage.service';
+import { HttpCacheInterceptor } from '@app/services/http-cache.interceptor';
+import { LanguageService } from '@app/services/language.service';
+import { ThemeService } from '@app/services/theme.service';
+import { TimeService } from '@app/services/time.service';
+import { FiatShortenerPipe } from '@app/shared/pipes/fiat-shortener.pipe';
+import { FiatCurrencyPipe } from '@app/shared/pipes/fiat-currency.pipe';
+import { ShortenStringPipe } from '@app/shared/pipes/shorten-string-pipe/shorten-string.pipe';
+import { CapAddressPipe } from '@app/shared/pipes/cap-address-pipe/cap-address-pipe';
+import { AppPreloadingStrategy } from '@app/app.preloading-strategy';
+import { ServicesApiServices } from '@app/services/services-api.service';
 import { DatePipe } from '@angular/common';

 const providers = [
  ElectrsApiService,
+  OrdApiService,
  StateService,
  CacheService,
  PriceService,
@@ -42,6 +45,7 @@ const providers = [
  EnterpriseService,
  LanguageService,
  ThemeService,
+  TimeService,
  ShortenStringPipe,
  FiatShortenerPipe,
  FiatCurrencyPipe,
--- a/frontend/src/app/bitcoin-graphs.module.ts
+++ b/frontend/src/app/bitcoin-graphs.module.ts
@@ -1,13 +1,13 @@
 import { NgModule } from '@angular/core';
 import { CommonModule } from '@angular/common';
 import { Routes, RouterModule } from '@angular/router';
-import { MasterPageComponent } from './components/master-page/master-page.component';
+import { MasterPageComponent } from '@components/master-page/master-page.component';

 const routes: Routes = [
  {
    path: '',
    component: MasterPageComponent,
-    loadChildren: () => import('./graphs/graphs.module').then(m => m.GraphsModule),
+    loadChildren: () => import('@app/graphs/graphs.module').then(m => m.GraphsModule),
    data: { preload: true },
  }
 ];
--- a/frontend/src/app/bitcoin.utils.ts
+++ b/frontend/src/app/bitcoin.utils.ts
@@ -1,5 +1,5 @@
-import { Transaction, Vin } from './interfaces/electrs.interface';
-import { Hash } from './shared/sha256';
+import { Transaction, Vin } from '@interfaces/electrs.interface';
+import { Hash } from '@app/shared/sha256';

 const P2SH_P2WPKH_COST = 21 * 4; // the WU cost for the non-witness part of P2SH-P2WPKH
 const P2SH_P2WSH_COST  = 35 * 4; // the WU cost for the non-witness part of P2SH-P2WSH
@@ -303,4 +303,4 @@ export async function calcScriptHash$(script: string): Promise<string> {
  return hashArray
    .map((bytes) => bytes.toString(16).padStart(2, '0'))
    .join('');
-}
+}
--- a/frontend/src/app/components/about/about-sponsors.component.ts
+++ b/frontend/src/app/components/about/about-sponsors.component.ts
@@ -1,5 +1,5 @@
 import { Component, Input } from '@angular/core';
-import { EnterpriseService } from '../../services/enterprise.service';
+import { EnterpriseService } from '@app/services/enterprise.service';

@Component({
  selector: 'app-about-sponsors',
--- a/frontend/src/app/components/about/about.component.html
+++ b/frontend/src/app/components/about/about.component.html
@@ -201,18 +201,23 @@
        <img class="image" src="/resources/profile/leather.svg" />
        <span>Leather</span>
      </a>
+
+      <a href="https://taprootwizards.com/" target="_blank" title="Taproot Wizards">
+        <img class="image" src="/resources/profile/wizardhat.png" />
+        <span>Taproot Wizards</span>
+      </a>
    </div>
  </div>

  <ng-container>
    <div *ngIf="profiles$ | async as profiles" id="community-sponsors-anchor">
-      <div class="community-sponsor" style="margin-bottom: 68px" *ngIf="profiles.whales.length > 0">
+      <div class="community-sponsor whale-sponsor" style="margin-bottom: 68px" *ngIf="profiles.whales.length > 0">
        <h3 i18n="about.sponsors.withHeart">Whale Sponsors</h3>
        <div class="wrapper">
          <ng-container>
            <ng-template ngFor let-sponsor [ngForOf]="profiles.whales">
              <a [href]="'https://x.com/' + sponsor.username" target="_blank" rel="sponsored" [title]="sponsor.username">
-                <img class="image" [src]="'/api/v1/services/account/images/' + sponsor.username + '/md5=' + sponsor.imageMd5" onError="this.src = '/resources/profile/grumpy.svg'; this.className = 'image unknown'"/>
+                <img class="image" [src]="'/api/v1/services/account/images/' + sponsor.username" onError="this.src = '/resources/profile/grumpy.svg'; this.className = 'image unknown'"/>
              </a>
            </ng-template>
          </ng-container>
@@ -224,7 +229,7 @@
        <div class="wrapper">
          <ng-template ngFor let-sponsor [ngForOf]="profiles.chads">
            <a [href]="'https://x.com/' + sponsor.username" target="_blank" rel="sponsored" [title]="sponsor.username">
-              <img class="image" [src]="'/api/v1/services/account/images/' + sponsor.username + '/md5=' + sponsor.imageMd5" onError="this.src = '/resources/profile/grumpy.svg'; this.className = 'image unknown'"/>
+              <img class="image" [src]="'/api/v1/services/account/images/' + sponsor.username" onError="this.src = '/resources/profile/grumpy.svg'; this.className = 'image unknown'"/>
            </a>
          </ng-template>
        </div>
--- a/frontend/src/app/components/about/about.component.scss
+++ b/frontend/src/app/components/about/about.component.scss
@@ -92,6 +92,13 @@
    }
  }

+  .whale-sponsor {
+    img {
+      width: 70px;
+      height: 70px;
+    }
+  }
+
  .alliances {
    margin-bottom: 100px;
    a {
--- a/frontend/src/app/components/about/about.component.ts
+++ b/frontend/src/app/components/about/about.component.ts
@@ -1,16 +1,16 @@
 import { ChangeDetectionStrategy, Component, ElementRef, Inject, LOCALE_ID, OnInit, ViewChild } from '@angular/core';
-import { WebsocketService } from '../../services/websocket.service';
-import { SeoService } from '../../services/seo.service';
-import { OpenGraphService } from '../../services/opengraph.service';
-import { StateService } from '../../services/state.service';
+import { WebsocketService } from '@app/services/websocket.service';
+import { SeoService } from '@app/services/seo.service';
+import { OpenGraphService } from '@app/services/opengraph.service';
+import { StateService } from '@app/services/state.service';
 import { Observable } from 'rxjs';
-import { ApiService } from '../../services/api.service';
-import { IBackendInfo } from '../../interfaces/websocket.interface';
+import { ApiService } from '@app/services/api.service';
+import { IBackendInfo } from '@interfaces/websocket.interface';
 import { Router, ActivatedRoute } from '@angular/router';
 import { map, share, tap } from 'rxjs/operators';
-import { ITranslators } from '../../interfaces/node-api.interface';
+import { ITranslators } from '@interfaces/node-api.interface';
 import { DOCUMENT } from '@angular/common';
-import { EnterpriseService } from '../../services/enterprise.service';
+import { EnterpriseService } from '@app/services/enterprise.service';

@Component({
  selector: 'app-about',
--- a/frontend/src/app/components/about/about.module.ts
+++ b/frontend/src/app/components/about/about.module.ts
@@ -1,9 +1,9 @@
 import { NgModule } from '@angular/core';
 import { CommonModule } from '@angular/common';
 import { Routes, RouterModule } from '@angular/router';
-import { AboutComponent } from './about.component';
-import { AboutSponsorsComponent } from './about-sponsors.component';
-import { SharedModule } from '../../shared/shared.module';
+import { AboutComponent } from '@components/about/about.component';
+import { AboutSponsorsComponent } from '@components/about/about-sponsors.component';
+import { SharedModule } from '@app/shared/shared.module';

 const routes: Routes = [
  {
--- a/frontend/src/app/components/accelerate-checkout/accelerate-checkout.component.html
+++ b/frontend/src/app/components/accelerate-checkout/accelerate-checkout.component.html
@@ -1,10 +1,18 @@
-<div class="box card w-100" style="background: var(--box-bg)" id=acceleratePreviewAnchor>
+<div class="box card w-100 accelerate-checkout-inner" [class.input-disabled]="isCheckoutLocked > 0" style="background: var(--box-bg)" id=acceleratePreviewAnchor>
  @if (accelerateError) {
-    <div class="row mb-1 text-center">
-      <div class="col-sm">
-        <h1 style="font-size: larger;" i18n="accelerator.sorry-error-title">Sorry, something went wrong!</h1>
+    @if (accelerateError.includes('Payment declined')) {
+      <div class="row mb-1 text-center">
+        <div class="col-sm">
+          <h1 style="font-size: larger;">{{ accelerateError }}</h1>
+        </div>
      </div>
-    </div>
+    } @else {
+      <div class="row mb-1 text-center">
+        <div class="col-sm">
+          <h1 style="font-size: larger;" i18n="accelerator.sorry-error-title">Sorry, something went wrong!</h1>
+        </div>
+      </div>
+    }
    <div class="row text-center mt-1">
      <div class="col-sm">
        <div class="d-flex flex-row justify-content-center align-items-center">
@@ -357,11 +365,11 @@
          <app-active-acceleration-box [miningStats]="miningStats" [pools]="estimate.pools" [chartOnly]="true" class="ml-2"></app-active-acceleration-box>
        </div>
      </div>
-      <div class="payment-area mt-2 p-2" style="font-size: 14px;">
+      <div class="payment-area" style="font-size: 14px;">
        <div class="row text-center justify-content-center mx-2">
-          <p i18n="accelerator.payment-to-mempool-space">Payment to mempool.space for acceleration of txid <a [routerLink]="'/tx/' + tx.txid" target="_blank">{{ tx.txid.substr(0, 10) }}..{{ tx.txid.substr(-10) }}</a></p>
+          <span i18n="accelerator.payment-to-mempool-space">Payment to mempool.space for acceleration of txid <a [routerLink]="'/tx/' + tx.txid" target="_blank">{{ tx.txid.substr(0, 10) }}..{{ tx.txid.substr(-10) }}</a></span>
        </div>
-        @if (canPayWithBalance || !(canPayWithBitcoin || canPayWithCashapp)) {
+        @if (canPayWithBalance || !(canPayWithBitcoin || canPayWithCashapp || canPayWithApplePay || canPayWithGooglePay)) {
          <div class="row">
            <div class="col-sm text-center d-flex flex-column justify-content-center align-items-center">
              <p><ng-container i18n="accelerator.your-account-will-be-debited">Your account will be debited no more than</ng-container>&nbsp;<small style="font-family: monospace;">{{ cost | number }}</small>&nbsp;<span class="symbol" i18n="shared.sats">sats</span></p>
@@ -378,9 +386,12 @@
                  <p><ng-container i18n="transaction.pay|Pay button label">Pay</ng-container>&nbsp;<span><small style="font-family: monospace;">{{ ((invoice.btcDue * 100_000_000) || cost) | number }}</small>&nbsp;<span class="symbol" i18n="shared.sats">sats</span></span></p>
                  <app-bitcoin-invoice style="width: 100%;" [invoice]="invoice" [minimal]="true" (completed)="bitcoinPaymentCompleted()"></app-bitcoin-invoice>
                } @else if (btcpayInvoiceFailed) {
-                  <p i18n="accelerator.failed-to-load-invoice">Failed to load invoice</p>
-                  <div class="d-flex flex-column align-items-center justify-content-center" style="width: 100%; height: 292px;">
-                    <fa-icon style="font-size: 24px; color: var(--red)" [icon]="['fas', 'circle-xmark']"></fa-icon>
+                  <div class="btcpay-invoice">
+                    <fa-icon style="font-size: 20px; color: var(--red)" [icon]="['fas', 'circle-xmark']"></fa-icon>
+                    <span i18n="accelerator.failed-to-load-invoice">Failed to load invoice</span>
+                    @if (!loadingBtcpayInvoice) {
+                      <button class="btn btn-sm btn-secondary mt-0 mt-md-1" (click)="requestBTCPayInvoice()">Retry ↻</button>
+                    }
                  </div>
                } @else {
                  <p i18n="accelerator.loading-invoice">Loading invoice...</p>
@@ -389,13 +400,13 @@
                  </div>
                }
              </div>
-              @if (canPayWithCashapp || canPayWithApplePay || canPayWithGooglePay) {
+              @if (canPayWithCashapp || canPayWithApplePay || canPayWithGooglePay || canPayWithCardOnFile) {
                <div class="col-sm text-center flex-grow-0  d-flex flex-column justify-content-center align-items-center">
-                  <p class="text-nowrap">&mdash;<span i18n="or">OR</span>&mdash;</p>
+                  <p class="text-nowrap">&mdash;&mdash;<span i18n="or"> OR </span>&mdash;&mdash;</p>
                </div>
              }
            }
-            @if (canPayWithCashapp || canPayWithApplePay || canPayWithGooglePay) {
+            @if (canPayWithCashapp || canPayWithApplePay || canPayWithGooglePay || canPayWithCardOnFile) {
              <div class="col-sm text-center d-flex flex-column justify-content-center align-items-center">
                <p><ng-container i18n="transaction.pay|Pay button label">Pay</ng-container>&nbsp;<app-fiat [value]="cost"></app-fiat> with</p>
                @if (canPayWithCashapp) {
@@ -413,6 +424,17 @@
                    <img src="/resources/google-pay.png" height=37>
                  </div>
                }
+                @if (canPayWithCardOnFile) {
+                  @if (canPayWithCashapp || canPayWithApplePay || canPayWithGooglePay) { <span class="mt-1 mb-1"></span> }
+                  <div class="paymentMethod mx-2 d-flex justify-content-center align-items-center" style="width: 200px; height: 55px" (click)="moveToStep('cardonfile')">
+                    @if (['VISA', 'MASTERCARD', 'JCB', 'DISCOVER', 'DISCOVER_DINERS', 'AMERICAN_EXPRESS'].includes(estimate?.availablePaymentMethods?.cardOnFile?.card?.brand)) {
+                      <app-svg-images [name]="estimate?.availablePaymentMethods?.cardOnFile?.card?.brand" height="33" class="mr-2"></app-svg-images>
+                    } @else {
+                      <app-svg-images name="OTHER_BRAND" height="33" class="mr-2"></app-svg-images>
+                    }
+                    <span style="font-size: 22px; padding-bottom: 3px">{{ estimate?.availablePaymentMethods?.cardOnFile?.card?.last_4 }}</span>
+                  </div>
+                }
              </div>
            }
          </div>
@@ -435,7 +457,7 @@
        <button type="button" class="mt-1 btn btn-secondary btn-sm rounded-pill align-self-center" style="width: 200px" (click)="moveToStep('summary')" i18n="go-back">Go back</button>
      </div>
    </div>
-  } @else if (step === 'cashapp' || step === 'applepay' || step === 'googlepay') {
+  } @else if (step === 'cashapp' || step === 'applepay' || step === 'googlepay' || step === 'cardonfile') {
    <!-- Show checkout page -->
    <div class="row mb-md-1 text-center" id="confirm-title">
      <div class="col-sm" id="confirm-payment-title">
@@ -451,7 +473,7 @@
      </div>
    </div>

-    @if (step === 'cashapp' && !loadingCashapp || step === 'applepay' && !loadingApplePay || step === 'googlepay' && !loadingGooglePay) {
+    @if (step === 'cashapp' && !loadingCashapp || step === 'applepay' && !loadingApplePay || step === 'googlepay' && !loadingGooglePay || step === 'cardonfile' && !loadingCardOnFile) {
      <div class="row text-center mt-1">
        <div class="col-sm">
          <div class="form-group w-100">
@@ -476,14 +498,24 @@
            <div id="cash-app-pay" class="d-inline-block" style="height: 50px" [style]="loadingCashapp ? 'opacity: 0; width: 0px; height: 0px; pointer-events: none;' : ''"></div>
          } @else if (step === 'googlepay') {
            <div id="google-pay-button" class="d-inline-block" style="height: 50px" [style]="loadingGooglePay ? 'opacity: 0; width: 0px; height: 0px; pointer-events: none;' : ''"></div>
+          } @else if (step === 'cardonfile') {
+            <div class="paymentMethod mx-2 d-flex justify-content-center align-items-center ml-auto mr-auto" style="width: 200px; height: 55px" (click)="requestCardOnFilePayment()" [style]="loadingCardOnFile ? 'opacity: 0; width: 0px; height: 0px; pointer-events: none;' : ''">
+              <fa-icon style="font-size: 24px; color: white" [icon]="['fas', 'credit-card']"></fa-icon>
+              <span class="ml-2" style="font-size: 22px">{{ estimate?.availablePaymentMethods?.cardOnFile?.card?.brand }} {{ estimate?.availablePaymentMethods?.cardOnFile?.card?.last_4 }}</span>
+            </div>
          }
-          @if (loadingCashapp || loadingApplePay || loadingGooglePay) {
+          @if (loadingCashapp || loadingApplePay || loadingGooglePay || loadingCardOnFile) {
          <div display="d-flex flex-row justify-content-center">
            <span i18n="accelerator.loading-payment-method">Loading payment method...</span>
            <div class="ml-2 spinner-border text-light" style="width: 25px; height: 25px"></div>
          </div>
          }
        </div>
+        @if (isTokenizing > 0) {
+          <div class="d-flex flex-row justify-content-center">
+            <div class="ml-2 spinner-border text-light" style="width: 25px; height: 25px"></div>
+          </div>
+        }
      </div>
    </div>

--- a/frontend/src/app/components/accelerate-checkout/accelerate-checkout.component.scss
+++ b/frontend/src/app/components/accelerate-checkout/accelerate-checkout.component.scss
@@ -8,6 +8,13 @@
  color: var(--green)
 }

+.accelerate-checkout-inner {
+  &.input-disabled {
+    pointer-events: none;
+    opacity: 0.75;
+  }
+}
+
 .paymentMethod {
  padding: 10px;
  background-color: var(--secondary);
@@ -146,6 +153,11 @@

 .payment-area {
  background: var(--bg);
+  margin-top: 0.5rem;
+  padding: 0.5rem;
+  @media (max-width: 575px) {
+    padding-bottom: 1.25rem;
+  }
 }

 .col.pie {
@@ -172,10 +184,6 @@
  background-color: var(--tertiary);
 }

-.btn-small-height {
-	line-height: 1;
-}
-
 .summary-row {
  display: flex;
  flex-direction: row;
@@ -216,4 +224,17 @@
 }
 .apple-pay-button-white-with-line {
    -apple-pay-button-style: white-outline;
+}
+
+.btcpay-invoice {
+  display: flex;
+  height: 292px;
+  flex-direction: column;
+  justify-content: center;
+  align-items: center;
+  @media (max-width: 575px) {
+    height: 75px;
+    flex-direction: row;
+    gap: 5px;
+  }
 }
--- a/frontend/src/app/components/accelerate-checkout/accelerate-checkout.component.ts
+++ b/frontend/src/app/components/accelerate-checkout/accelerate-checkout.component.ts
@@ -1,19 +1,19 @@
 /* eslint-disable no-console */
 import { Component, OnInit, OnDestroy, Output, EventEmitter, Input, ChangeDetectorRef, SimpleChanges, HostListener } from '@angular/core';
 import { Subscription, tap, of, catchError, Observable, switchMap } from 'rxjs';
-import { ServicesApiServices } from '../../services/services-api.service';
-import { md5, insecureRandomUUID } from '../../shared/common.utils';
-import { StateService } from '../../services/state.service';
-import { AudioService } from '../../services/audio.service';
-import { ETA, EtaService } from '../../services/eta.service';
-import { Transaction } from '../../interfaces/electrs.interface';
-import { MiningStats } from '../../services/mining.service';
-import { IAuth, AuthServiceMempool } from '../../services/auth.service';
-import { EnterpriseService } from '../../services/enterprise.service';
-import { ApiService } from '../../services/api.service';
+import { ServicesApiServices } from '@app/services/services-api.service';
+import { md5 } from '@app/shared/common.utils';
+import { StateService } from '@app/services/state.service';
+import { AudioService } from '@app/services/audio.service';
+import { ETA, EtaService } from '@app/services/eta.service';
+import { Transaction } from '@interfaces/electrs.interface';
+import { MiningStats } from '@app/services/mining.service';
+import { IAuth, AuthServiceMempool } from '@app/services/auth.service';
+import { EnterpriseService } from '@app/services/enterprise.service';
+import { ApiService } from '@app/services/api.service';
 import { isDevMode } from '@angular/core';

-export type PaymentMethod = 'balance' | 'bitcoin' | 'cashapp' | 'applePay' | 'googlePay';
+export type PaymentMethod = 'balance' | 'bitcoin' | 'cashapp' | 'applePay' | 'googlePay' | 'cardOnFile';

 export type AccelerationEstimate = {
  hasAccess: boolean;
@@ -26,7 +26,7 @@ export type AccelerationEstimate = {
  mempoolBaseFee: number;
  vsizeFee: number;
  pools: number[];
-  availablePaymentMethods: Record<PaymentMethod, {min: number, max: number}>;
+  availablePaymentMethods: Record<PaymentMethod, {min: number, max: number, card?: {card_id: string, last_4: string, brand: string, name: string, billing: any}}>;
  unavailable?: boolean;
  options: { // recommended bid options
    fee: number; // recommended userBid in sats
@@ -49,7 +49,7 @@ export const MIN_BID_RATIO = 1;
 export const DEFAULT_BID_RATIO = 2;
 export const MAX_BID_RATIO = 4;

-type CheckoutStep = 'quote' | 'summary' | 'checkout' | 'cashapp' | 'applepay' | 'googlepay' | 'processing' | 'paid' | 'success';
+type CheckoutStep = 'quote' | 'summary' | 'checkout' | 'cashapp' | 'applepay' | 'googlepay' | 'cardonfile' | 'processing' | 'paid' | 'success';

@Component({
  selector: 'app-accelerate-checkout',
@@ -62,9 +62,9 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
  @Input() miningStats: MiningStats;
  @Input() eta: ETA;
  @Input() scrollEvent: boolean;
-  @Input() cashappEnabled: boolean = true;
  @Input() applePayEnabled: boolean = false;
  @Input() googlePayEnabled: boolean = true;
+  @Input() cardOnFileEnabled: boolean = true;
  @Input() advancedEnabled: boolean = false;
  @Input() forceMobile: boolean = false;
  @Input() showDetails: boolean = false;
@@ -75,6 +75,9 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
  @Output() changeMode = new EventEmitter<boolean>();

  calculating = true;
+  processing = false;
+  isCheckoutLocked = 0; // reference counter, 0 = unlocked, >0 = locked
+  isTokenizing = 0; // reference counter, 0 = false, >0 = true
  selectedOption: 'wait' | 'accel';
  cantPayReason = '';
  quoteError = ''; // error fetching estimate or initial data
@@ -83,13 +86,7 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
  timePaid: number = 0; // time acceleration requested
  math = Math;
  isMobile: boolean = window.innerWidth <= 767.98;
-  isProdDomain = ['mempool.space',
-    'mempool-staging.va1.mempool.space',
-    'mempool-staging.fmt.mempool.space',
-    'mempool-staging.fra.mempool.space',
-    'mempool-staging.tk7.mempool.space',
-    'mempool-staging.sg1.mempool.space'
-   ].indexOf(document.location.hostname) > -1;
+  isProdDomain = false;

  private _step: CheckoutStep = 'summary';
  simpleMode: boolean = true;
@@ -99,7 +96,6 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
  auth: IAuth | null = null;

  // accelerator stuff
-  accelerationUUID: string;
  accelerationSubscription: Subscription;
  difficultySubscription: Subscription;
  estimateSubscription: Subscription;
@@ -121,6 +117,7 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
  loadingCashapp = false;
  loadingApplePay = false;
  loadingGooglePay = false;
+  loadingCardOnFile = false;
  payments: any;
  cashAppPay: any;
  applePay: any;
@@ -142,7 +139,7 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
    private authService: AuthServiceMempool,
    private enterpriseService: EnterpriseService,
  ) {
-    this.accelerationUUID = insecureRandomUUID();
+    this.isProdDomain = this.stateService.env.PROD_DOMAINS.indexOf(document.location.hostname) > -1;

    // Check if Apple Pay available
    // https://developer.apple.com/documentation/apple_pay_on_the_web/apple_pay_js_api/checking_for_apple_pay_availability#overview
@@ -160,7 +157,7 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
        this.accelerateError = null;
        this.timePaid = 0;
        this.btcpayInvoiceFailed = false;
-        this.moveToStep('summary');
+        this.moveToStep('summary', true);
      } else {
        this.auth = auth;
      }
@@ -169,11 +166,11 @@ export class AccelerateCheckout implements OnInit, OnDestroy {

    const urlParams = new URLSearchParams(window.location.search);
    if (urlParams.get('cash_request_id')) { // Redirected from cashapp
-      this.moveToStep('processing');
+      this.moveToStep('processing', true);
      this.insertSquare();
      this.setupSquare();
    } else {
-      this.moveToStep('summary');
+      this.moveToStep('summary', true);
    }

    this.conversionsSubscription = this.stateService.conversions$.subscribe(
@@ -196,19 +193,25 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
    if (changes.scrollEvent && this.scrollEvent) {
      this.scrollToElement('acceleratePreviewAnchor', 'start');
    }
-    if (changes.accelerating) {
-      if ((this.step === 'processing' || this.step === 'paid') && this.accelerating) {
-        this.moveToStep('success');
+    if (changes.accelerating && this.accelerating) {
+      if (this.step === 'processing' || this.step === 'paid') {
+        this.moveToStep('success', true);
+      } else { // Edge case where the transaction gets accelerated by someone else or on another session
+        this.closeModal();
      }
    }
  }

-  moveToStep(step: CheckoutStep): void {
+  moveToStep(step: CheckoutStep, force: boolean = false): void {
+    if (this.isCheckoutLocked > 0 && !force) {
+      return;
+    }
+    this.processing = false;
    this._step = step;
    if (this.timeoutTimer) {
      clearTimeout(this.timeoutTimer);
    }
-    if (!this.estimate && ['quote', 'summary', 'checkout'].includes(this.step)) {
+    if (!this.estimate && ['quote', 'summary', 'checkout', 'processing'].includes(this.step)) {
      this.fetchEstimate();
    }
    if (this._step === 'checkout') {
@@ -217,10 +220,9 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
    }
    if (this._step === 'checkout' && this.canPayWithBitcoin) {
      this.btcpayInvoiceFailed = false;
-      this.loadingBtcpayInvoice = true;
      this.invoice = null;
      this.requestBTCPayInvoice();
-    } else if (this._step === 'cashapp' && this.cashappEnabled) {
+    } else if (this._step === 'cashapp') {
      this.loadingCashapp = true;
      this.setupSquare();
      this.scrollToElementWithTimeout('confirm-title', 'center', 100);
@@ -232,6 +234,10 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
      this.loadingGooglePay = true;
      this.setupSquare();
      this.scrollToElementWithTimeout('confirm-title', 'center', 100);
+    } else if (this._step === 'cardonfile' && this.cardOnFileEnabled) {
+      this.loadingCardOnFile = true;
+      this.setupSquare();
+      this.scrollToElementWithTimeout('confirm-title', 'center', 100);
    } else if (this._step === 'paid') {
      this.timePaid = Date.now();
      this.timeoutTimer = setTimeout(() => {
@@ -245,7 +251,7 @@ export class AccelerateCheckout implements OnInit, OnDestroy {

  closeModal(): void {
    this.completed.emit(true);
-    this.moveToStep('summary');
+    this.moveToStep('summary', true);
  }

  /**
@@ -326,7 +332,6 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
          }

          if (this.step === 'checkout' && this.canPayWithBitcoin && !this.loadingBtcpayInvoice) {
-            this.loadingBtcpayInvoice = true;
            this.requestBTCPayInvoice();
          }

@@ -371,6 +376,7 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
      this.selectFeeRateIndex = index;
      this.userBid = Math.max(0, fee);
      this.cost = this.userBid + this.estimate.mempoolBaseFee + this.estimate.vsizeFee;
+      this.validateChoice();
    }
  }

@@ -378,25 +384,27 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
   * Account-based acceleration request
   */
  accelerateWithMempoolAccount(): void {
-    if (!this.canPay || this.calculating) {
+    if (!this.canPay || this.calculating || this.processing) {
      return;
    }
+    this.processing = true;
    if (this.accelerationSubscription) {
      this.accelerationSubscription.unsubscribe();
    }
    this.accelerationSubscription = this.servicesApiService.accelerate$(
      this.tx.txid,
      this.userBid,
-      this.accelerationUUID
    ).subscribe({
      next: () => {
+        this.processing = false;
        this.apiService.logAccelerationRequest$(this.tx.txid).subscribe();
        this.audioService.playSound('ascend-chime-cartoon');
        this.showSuccess = true;
        this.estimateSubscription.unsubscribe();
-        this.moveToStep('paid');
+        this.moveToStep('paid', true);
      },
      error: (response) => {
+        this.processing = false;
        this.accelerateError = response.error;
      }
    });
@@ -449,6 +457,8 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
            await this.requestApplePayPayment();
          } else if (this._step === 'googlepay') {
            await this.requestGooglePayPayment();
+          } else if (this._step === 'cardonfile') {
+            this.loadingCardOnFile = false;
          }
        },
        error: () => {
@@ -466,10 +476,14 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
   * APPLE PAY
   */
  async requestApplePayPayment(): Promise<void> {
+    if (this.processing) {
+      return;
+    }
    if (this.conversionsSubscription) {
      this.conversionsSubscription.unsubscribe();
    }

+    this.processing = true;
    this.conversionsSubscription = this.stateService.conversions$.subscribe(
      async (conversions) => {
        this.conversions = conversions;
@@ -494,59 +508,84 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
            console.error(`Unable to find apple pay button id='apple-pay-button'`);
            // Try again
            setTimeout(this.requestApplePayPayment.bind(this), 500);
+            this.processing = false;
            return;
          }
          this.loadingApplePay = false;
          applePayButton.addEventListener('click', async event => {
+            if (this.isCheckoutLocked > 0 || this.isTokenizing > 0) {
+              return;
+            }
            event.preventDefault();
-            const tokenResult = await this.applePay.tokenize();
-            if (tokenResult?.status === 'OK') {
-              const card = tokenResult.details?.card;
-              if (!card || !card.brand || !card.expMonth || !card.expYear || !card.last4) {
-                console.error(`Cannot retreive payment card details`);
-                this.accelerateError = 'apple_pay_no_card_details';
-                return;
-              }
-              const cardTag = md5(`${card.brand}${card.expMonth}${card.expYear}${card.last4}`.toLowerCase());
-              this.servicesApiService.accelerateWithApplePay$(
-                this.tx.txid,
-                tokenResult.token,
-                cardTag,
-                `accelerator-${this.tx.txid.substring(0, 15)}-${Math.round(new Date().getTime() / 1000)}`,
-                this.accelerationUUID
-              ).subscribe({
-                next: () => {
-                  this.apiService.logAccelerationRequest$(this.tx.txid).subscribe();
-                  this.audioService.playSound('ascend-chime-cartoon');
-                  if (this.applePay) {
-                    this.applePay.destroy();
-                  }
-                  setTimeout(() => {
-                    this.moveToStep('paid');
-                  }, 1000);
-                },
-                error: (response) => {
-                  this.accelerateError = response.error;
-                  if (!(response.status === 403 && response.error === 'not_available')) {
-                    setTimeout(() => {
-                      // Reset everything by reloading the page :D, can be improved
-                      const urlParams = new URLSearchParams(window.location.search);
-                      window.location.assign(window.location.toString().replace(`?cash_request_id=${urlParams.get('cash_request_id')}`, ``));
-                    }, 3000);
-                  }
+            try {
+              // lock the checkout UI and show a loading spinner until the square modals are finished
+              this.isCheckoutLocked++;
+              this.isTokenizing++;
+              const tokenResult = await this.applePay.tokenize();
+              if (tokenResult?.status === 'OK') {
+                const card = tokenResult.details?.card;
+                if (!card || !card.brand || !card.expMonth || !card.expYear || !card.last4) {
+                  console.error(`Cannot retreive payment card details`);
+                  this.accelerateError = 'apple_pay_no_card_details';
+                  this.processing = false;
+                  return;
                }
-              });
-            } else {
-              let errorMessage = `Tokenization failed with status: ${tokenResult.status}`;
-              if (tokenResult.errors) {
-                errorMessage += ` and errors: ${JSON.stringify(
-                  tokenResult.errors,
-                )}`;
+                const cardTag = md5(`${card.brand}${card.expMonth}${card.expYear}${card.last4}`.toLowerCase());
+                // keep checkout in loading state until the acceleration request completes
+                this.isTokenizing++;
+                this.isCheckoutLocked++;
+                this.servicesApiService.accelerateWithApplePay$(
+                  this.tx.txid,
+                  tokenResult.token,
+                  cardTag,
+                  `accelerator-${this.tx.txid.substring(0, 15)}-${Math.round(new Date().getTime() / 1000)}`,
+                  costUSD
+                ).subscribe({
+                  next: () => {
+                    this.processing = false;
+                    this.apiService.logAccelerationRequest$(this.tx.txid).subscribe();
+                    this.audioService.playSound('ascend-chime-cartoon');
+                    if (this.applePay) {
+                      this.applePay.destroy();
+                    }
+                    setTimeout(() => {
+                      this.isTokenizing--;
+                      this.isCheckoutLocked--;
+                      this.moveToStep('paid', true);
+                    }, 1000);
+                  },
+                  error: (response) => {
+                    this.processing = false;
+                    this.accelerateError = response.error;
+                    if (!(response.status === 403 && response.error === 'not_available')) {
+                      setTimeout(() => {
+                        this.isTokenizing--;
+                        this.isCheckoutLocked--;
+                        // Reset everything by reloading the page :D, can be improved
+                        const urlParams = new URLSearchParams(window.location.search);
+                        window.location.assign(window.location.toString().replace(`?cash_request_id=${urlParams.get('cash_request_id')}`, ``));
+                      }, 10000);
+                    }
+                  }
+                });
+              } else {
+                this.processing = false;
+                let errorMessage = `Tokenization failed with status: ${tokenResult.status}`;
+                if (tokenResult.errors) {
+                  errorMessage += ` and errors: ${JSON.stringify(
+                    tokenResult.errors,
+                  )}`;
+                }
+                throw new Error(errorMessage);
              }
-              throw new Error(errorMessage);
+            } finally {
+              // always unlock the checkout once we're finished
+              this.isTokenizing--;
+              this.isCheckoutLocked--;
            }
          });
        } catch (e) {
+          this.processing = false;
          console.error(e);
        }
      }
@@ -557,10 +596,14 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
   * GOOGLE PAY
   */
  async requestGooglePayPayment(): Promise<void> {
+    if (this.processing) {
+      return;
+    }
    if (this.conversionsSubscription) {
      this.conversionsSubscription.unsubscribe();
    }
-
+    
+    this.processing = true;
    this.conversionsSubscription = this.stateService.conversions$.subscribe(
      async (conversions) => {
        this.conversions = conversions;
@@ -588,66 +631,205 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
        this.loadingGooglePay = false;

        document.getElementById('google-pay-button').addEventListener('click', async event => {
+          if (this.isCheckoutLocked > 0 || this.isTokenizing > 0) {
+            return;
+          }
          event.preventDefault();
-          const tokenResult = await this.googlePay.tokenize();
-          if (tokenResult?.status === 'OK') {
-            const card = tokenResult.details?.card;
-            if (!card || !card.brand || !card.expMonth || !card.expYear || !card.last4) {
-              console.error(`Cannot retreive payment card details`);
-              this.accelerateError = 'apple_pay_no_card_details';
-              return;
-            }
-            const cardTag = md5(`${card.brand}${card.expMonth}${card.expYear}${card.last4}`.toLowerCase());
-            this.servicesApiService.accelerateWithGooglePay$(
-              this.tx.txid,
-              tokenResult.token,
-              cardTag,
-              `accelerator-${this.tx.txid.substring(0, 15)}-${Math.round(new Date().getTime() / 1000)}`,
-              this.accelerationUUID
-            ).subscribe({
-              next: () => {
-                this.apiService.logAccelerationRequest$(this.tx.txid).subscribe();
-                this.audioService.playSound('ascend-chime-cartoon');
-                if (this.googlePay) {
-                  this.googlePay.destroy();
-                }
-                setTimeout(() => {
-                  this.moveToStep('paid');
-                }, 1000);
-              },
-              error: (response) => {
-                this.accelerateError = response.error;
-                if (!(response.status === 403 && response.error === 'not_available')) {
-                  setTimeout(() => {
-                    // Reset everything by reloading the page :D, can be improved
-                    const urlParams = new URLSearchParams(window.location.search);
-                    window.location.assign(window.location.toString().replace(`?cash_request_id=${urlParams.get('cash_request_id')}`, ``));
-                  }, 3000);
-                }
+          try {
+            // lock the checkout UI and show a loading spinner until the square modals are finished
+            this.isCheckoutLocked++;
+            this.isTokenizing++;
+            const tokenResult = await this.googlePay.tokenize();
+            if (tokenResult?.status === 'OK') {
+              const card = tokenResult.details?.card;
+              if (!card || !card.brand || !card.expMonth || !card.expYear || !card.last4) {
+                console.error(`Cannot retreive payment card details`);
+                this.accelerateError = 'apple_pay_no_card_details';
+                this.processing = false;
+                return;
              }
-            });
-          } else {
-            let errorMessage = `Tokenization failed with status: ${tokenResult.status}`;
-            if (tokenResult.errors) {
-              errorMessage += ` and errors: ${JSON.stringify(
-                tokenResult.errors,
-              )}`;
+              const verificationToken = await this.$verifyBuyer(this.payments, tokenResult.token, tokenResult.details, costUSD.toFixed(2));
+              if (!verificationToken || !verificationToken.token) {
+                console.error(`SCA verification failed`);
+                this.accelerateError = 'SCA Verification Failed. Payment Declined.';
+                this.processing = false;
+                return;
+              }
+              const cardTag = md5(`${card.brand}${card.expMonth}${card.expYear}${card.last4}`.toLowerCase());
+              // keep checkout in loading state until the acceleration request completes
+              this.isCheckoutLocked++;
+              this.isTokenizing++;
+              this.servicesApiService.accelerateWithGooglePay$(
+                this.tx.txid,
+                tokenResult.token,
+                verificationToken.token,
+                cardTag,
+                `accelerator-${this.tx.txid.substring(0, 15)}-${Math.round(new Date().getTime() / 1000)}`,
+                costUSD,
+                verificationToken.userChallenged
+              ).subscribe({
+                next: () => {
+                  this.processing = false;
+                  this.apiService.logAccelerationRequest$(this.tx.txid).subscribe();
+                  this.audioService.playSound('ascend-chime-cartoon');
+                  if (this.googlePay) {
+                    this.googlePay.destroy();
+                  }
+                  setTimeout(() => {
+                    this.isTokenizing--;
+                    this.isCheckoutLocked--;
+                    this.moveToStep('paid', true);
+                  }, 1000);
+                },
+                error: (response) => {
+                  this.processing = false;
+                  this.accelerateError = response.error;
+                  this.isTokenizing--;
+                  this.isCheckoutLocked--;
+                  if (!(response.status === 403 && response.error === 'not_available')) {
+                    setTimeout(() => {
+                      // Reset everything by reloading the page :D, can be improved
+                      const urlParams = new URLSearchParams(window.location.search);
+                      window.location.assign(window.location.toString().replace(`?cash_request_id=${urlParams.get('cash_request_id')}`, ``));
+                    }, 10000);
+                  }
+                }
+              });
+            } else {
+              this.processing = false;
+              let errorMessage = `Tokenization failed with status: ${tokenResult.status}`;
+              if (tokenResult.errors) {
+                errorMessage += ` and errors: ${JSON.stringify(
+                  tokenResult.errors,
+                )}`;
+              }
+              throw new Error(errorMessage);
            }
-            throw new Error(errorMessage);
+          } finally {
+            // always unlock the checkout once we're finished
+            this.isTokenizing--;
+            this.isCheckoutLocked--;
          }
        });
      }
    );
  }

+  /**
+   * Card On File
+   */
+  async requestCardOnFilePayment(): Promise<void> {
+    if (this.processing) {
+      return;
+    }
+    if (this.conversionsSubscription) {
+      this.conversionsSubscription.unsubscribe();
+    }
+    
+    this.processing = true;
+    this.conversionsSubscription = this.stateService.conversions$.subscribe(
+      async (conversions) => {
+        this.conversions = conversions;
+
+        const costUSD = this.cost / 100_000_000 * conversions.USD;
+        if (this.isCheckoutLocked > 0) {
+          return;
+        }
+        const cardOnFile = this.estimate?.availablePaymentMethods?.cardOnFile;
+        if (!cardOnFile?.card) {
+          this.accelerateError = 'card_on_file_not_found';
+          return;
+        }
+        this.loadingCardOnFile = false;
+        
+        try {
+          this.isCheckoutLocked += 2;
+          this.isTokenizing += 2;
+          
+          const nameParts = cardOnFile.card.name.split(' ');
+          const assumedGivenName = nameParts[0];
+          const assumedFamilyName = nameParts.length > 1 ? nameParts[1] : undefined;
+          const verificationDetails = {
+            card: {
+              billing: {
+                givenName: assumedGivenName,
+                familyName: assumedFamilyName,
+                addressLines: [cardOnFile.card.billing.addressLine1 ?? ''],
+                city: cardOnFile.card.billing.locality ?? '',
+                state: cardOnFile.card.billing.administrativeDistrictLevel1 ?? '',
+                countyCode: cardOnFile.card.billing.country,
+              }
+            }
+          };
+          const verificationToken = await this.$verifyBuyer(this.payments, cardOnFile.card.card_id, verificationDetails, costUSD.toFixed(2));
+          if (!verificationToken || !verificationToken.token) {
+            console.error(`SCA verification failed`);
+            this.accelerateError = 'SCA Verification Failed. Payment Declined.';
+            this.processing = false;
+            return;
+          }
+
+          this.servicesApiService.accelerateWithCardOnFile$(
+            this.tx.txid,
+            cardOnFile.card.card_id,
+            verificationToken.token,
+            `accelerator-${this.tx.txid.substring(0, 15)}-${Math.round(new Date().getTime() / 1000)}`,
+            costUSD,
+            verificationToken.userChallenged
+          ).subscribe({
+            next: () => {
+              this.processing = false;
+              this.apiService.logAccelerationRequest$(this.tx.txid).subscribe();
+              this.audioService.playSound('ascend-chime-cartoon');
+              setTimeout(() => {
+                this.isCheckoutLocked--;
+                this.isTokenizing--;
+                this.moveToStep('paid', true);
+              }, 1000);
+            },
+            error: (response) => {
+              this.processing = false;
+              this.accelerateError = response.error;
+              this.isCheckoutLocked--;
+              this.isTokenizing--;
+              if (!(response.status === 403 && response.error === 'not_available')) {
+                setTimeout(() => {
+                  // Reset everything by reloading the page :D, can be improved
+                  const urlParams = new URLSearchParams(window.location.search);
+                  window.location.assign(window.location.toString().replace(`?cash_request_id=${urlParams.get('cash_request_id')}`, ``));
+                }, 3000);
+              }
+            }
+          });
+
+        } catch (e) {
+          console.log(e);
+          this.isCheckoutLocked--;
+          this.isTokenizing--;
+          this.processing = false;
+          this.accelerateError = e.message;
+
+        } finally {
+          // always unlock the checkout once we're finished
+          this.isCheckoutLocked--;
+          this.isTokenizing--;
+        }
+      }
+    );
+  }
+
  /**
   * CASHAPP
   */
  async requestCashAppPayment(): Promise<void> {
+    if (this.processing) {
+      return;
+    }
    if (this.conversionsSubscription) {
      this.conversionsSubscription.unsubscribe();
    }

+    this.processing = true;
    this.conversionsSubscription = this.stateService.conversions$.subscribe(
      async (conversions) => {
        this.conversions = conversions;
@@ -656,7 +838,7 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
        }

        const redirectHostname = document.location.hostname === 'localhost' ? `http://localhost:4200`: `https://${document.location.hostname}`;
-        const costUSD = this.step === 'processing' ? 69.69 : (this.cost / 100_000_000 * conversions.USD); // When we're redirected to this component, the payment data is already linked to the payment token, so does not matter what amonut we put in there, therefore it's 69.69
+        const costUSD = this.cost / 100_000_000 * conversions.USD;
        const paymentRequest = this.payments.paymentRequest({
          countryCode: 'US',
          currencyCode: 'USD',
@@ -678,6 +860,7 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
        this.cashAppPay.addEventListener('ontokenization', event => {
          const { tokenResult, error } = event.detail;
          if (error) {
+            this.processing = false;
            this.accelerateError = error;
          } else if (tokenResult.status === 'OK') {
            this.servicesApiService.accelerateWithCashApp$(
@@ -685,16 +868,17 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
              tokenResult.token,
              tokenResult.details.cashAppPay.cashtag,
              tokenResult.details.cashAppPay.referenceId,
-              this.accelerationUUID
+              costUSD
            ).subscribe({
              next: () => {
+                this.processing = false;
                this.apiService.logAccelerationRequest$(this.tx.txid).subscribe();
                this.audioService.playSound('ascend-chime-cartoon');
                if (this.cashAppPay) {
                  this.cashAppPay.destroy();
                }
                setTimeout(() => {
-                  this.moveToStep('paid');
+                  this.moveToStep('paid', true);
                  if (window.history.replaceState) {
                    const urlParams = new URLSearchParams(window.location.search);
                    window.history.replaceState(null, null, window.location.toString().replace(`?cash_request_id=${urlParams.get('cash_request_id')}`, ''));
@@ -702,13 +886,14 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
                }, 1000);
              },
              error: (response) => {
+                this.processing = false;
                this.accelerateError = response.error;
                if (!(response.status === 403 && response.error === 'not_available')) {
                  setTimeout(() => {
                    // Reset everything by reloading the page :D, can be improved
                    const urlParams = new URLSearchParams(window.location.search);
                    window.location.assign(window.location.toString().replace(`?cash_request_id=${urlParams.get('cash_request_id')}`, ``));
-                  }, 3000);
+                  }, 10000);
                }
              }
            });
@@ -718,20 +903,49 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
    );
  }

+  /**
+   * https://developer.squareup.com/docs/sca-overview
+   */
+  async $verifyBuyer(payments, token, details, amount): Promise<{token: string, userChallenged: boolean}> {
+    const verificationDetails = {
+      amount: amount,
+      currencyCode: 'USD',
+      intent: 'CHARGE',
+      billingContact: {
+        givenName: details.card?.billing?.givenName,
+        familyName: details.card?.billing?.familyName,
+        phone: details.card?.billing?.phone,
+        addressLines: details.card?.billing?.addressLines,
+        city: details.card?.billing?.city,
+        state: details.card?.billing?.state,
+        countryCode: details.card?.billing?.countryCode,
+      },
+    };
+
+    const verificationResults = await payments.verifyBuyer(
+      token,
+      verificationDetails,
+    );
+    return verificationResults;
+  }
+
  /**
   * BTCPay
   */
  async requestBTCPayInvoice(): Promise<void> {
+    this.loadingBtcpayInvoice = true;
    this.servicesApiService.generateBTCPayAcceleratorInvoice$(this.tx.txid, this.userBid).pipe(
      switchMap(response => {
        return this.servicesApiService.retreiveInvoice$(response.btcpayInvoiceId);
      }),
      catchError(error => {
        console.log(error);
+        this.loadingBtcpayInvoice = false;
        this.btcpayInvoiceFailed = true;
        return of(null);
      })
    ).subscribe((invoice) => {
+        this.loadingBtcpayInvoice = false;
        this.invoice = invoice;
        this.cd.markForCheck();
    });
@@ -741,7 +955,7 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
    this.apiService.logAccelerationRequest$(this.tx.txid).subscribe();
    this.audioService.playSound('ascend-chime-cartoon');
    this.estimateSubscription.unsubscribe();
-    this.moveToStep('paid');
+    this.moveToStep('paid', true);
  }

  isLoggedIn(): boolean {
@@ -768,9 +982,6 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
  }

  get couldPayWithCashapp(): boolean {
-    if (!this.cashappEnabled) {
-      return false;
-    }
    return !!this.estimate?.availablePaymentMethods?.cashapp;
  }

@@ -805,7 +1016,7 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
  }

  get canPayWithCashapp(): boolean {
-    if (!this.cashappEnabled || !this.conversions || (!this.isProdDomain && !isDevMode())) {
+    if (!this.conversions || (!this.isProdDomain && !isDevMode())) {
      return false;
    }

@@ -852,6 +1063,22 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
    return false;
  }

+  get canPayWithCardOnFile(): boolean {
+    if (!this.cardOnFileEnabled || !this.conversions || (!this.isProdDomain && !isDevMode())) {
+      return false;
+    }
+
+    const paymentMethod = this.estimate?.availablePaymentMethods?.cardOnFile;
+    if (paymentMethod) {
+      const costUSD = (this.cost / 100_000_000 * this.conversions.USD);
+      if (costUSD >= paymentMethod.min && costUSD <= paymentMethod.max) {
+        return true;
+      }
+    }
+
+    return false;
+  }
+
  get canPayWithBalance(): boolean {
    if (!this.hasAccessToBalanceMode) {
      return false;
--- a/frontend/src/app/components/accelerate-checkout/accelerate-fee-graph.component.html
+++ b/frontend/src/app/components/accelerate-checkout/accelerate-fee-graph.component.html
@@ -12,7 +12,7 @@
          </p>
        </div>
        <div class="spacer"></div>
-        <span class="fee">{{ bar.class === 'tx' ? '' : '+' }}{{ bar.fee | number }} <span class="symbol" i18n="shared.sat|sat">sat</span></span>
+        <span class="fee">{{ bar.class === 'tx' ? '' : '+' }}{{ bar.fee | number }} <span class="symbol" i18n="shared.sats">sats</span></span>
        <div class="spacer"></div>
        <div class="spacer"></div>
      </div>
--- a/frontend/src/app/components/accelerate-checkout/accelerate-fee-graph.component.ts
+++ b/frontend/src/app/components/accelerate-checkout/accelerate-fee-graph.component.ts
@@ -1,6 +1,6 @@
 import { Component, Input, Output, OnChanges, EventEmitter, HostListener, OnInit, ViewChild, ElementRef, AfterViewInit, OnDestroy, ChangeDetectorRef } from '@angular/core';
-import { Transaction } from '../../interfaces/electrs.interface';
-import { AccelerationEstimate, RateOption } from './accelerate-checkout.component';
+import { Transaction } from '@interfaces/electrs.interface';
+import { AccelerationEstimate, RateOption } from '@components/accelerate-checkout/accelerate-checkout.component';

 interface GraphBar {
  rate: number;
--- a/frontend/src/app/components/acceleration-timeline/acceleration-timeline-tooltip.component.html
+++ b/frontend/src/app/components/acceleration-timeline/acceleration-timeline-tooltip.component.html
@@ -21,14 +21,14 @@
      </tr>
      <tr *ngIf="accelerationInfo.fee">
        <td class="label" i18n="transaction.fee|Transaction fee">Fee</td>
-        <td class="value">{{ accelerationInfo.fee | number }} <span class="symbol" i18n="shared.sat|sat">sat</span></td>
+        <td class="value">{{ accelerationInfo.fee | number }} <span class="symbol" i18n="shared.sats">sats</span></td>
      </tr>
      <tr *ngIf="accelerationInfo.bidBoost >= 0 || accelerationInfo.feeDelta">
        <td class="label" i18n="transaction.out-of-band-fees">Out-of-band fees</td>
        @if (accelerationInfo.status === 'accelerated') {
-          <td class="value oobFees">{{ accelerationInfo.feeDelta | number }} <span class="symbol" i18n="shared.sat|sat">sat</span></td>
+          <td class="value oobFees">{{ accelerationInfo.feeDelta | number }} <span class="symbol" i18n="shared.sats">sats</span></td>
        } @else {
-          <td class="value oobFees">{{ accelerationInfo.bidBoost | number }} <span class="symbol" i18n="shared.sat|sat">sat</span></td>
+          <td class="value oobFees">{{ accelerationInfo.bidBoost | number }} <span class="symbol" i18n="shared.sats">sats</span></td>
        }
      </tr>
      <tr *ngIf="accelerationInfo.fee && accelerationInfo.weight">
@@ -47,13 +47,14 @@
      <tr *ngIf="['accelerated', 'mined'].includes(accelerationInfo.status) && hasPoolsData()">
        <td class="label" i18n="transaction.accelerated-by-hashrate|Accelerated to hashrate">Accelerated by</td>
        <td class="value" *ngIf="accelerationInfo.pools">
-          <ng-container *ngFor="let pool of accelerationInfo.pools">
+          <ng-container *ngFor="let pool of accelerationInfo.pools; let i = index;">
            <img *ngIf="accelerationInfo.poolsData[pool]" 
              class="pool-logo" 
              [style.opacity]="accelerationInfo?.minedByPoolUniqueId && pool !== accelerationInfo?.minedByPoolUniqueId ? '0.3' : '1'"
              [src]="'/resources/mining-pools/' + accelerationInfo.poolsData[pool].slug + '.svg'" 
              onError="this.src = '/resources/mining-pools/default.svg'" 
              [alt]="'Logo of ' + pool.name + ' mining pool'">
+            <br *ngIf="i % 6 === 5">
          </ng-container>
        </td>
      </tr>
--- a/frontend/src/app/components/acceleration-timeline/acceleration-timeline-tooltip.component.scss
+++ b/frontend/src/app/components/acceleration-timeline/acceleration-timeline-tooltip.component.scss
@@ -23,6 +23,7 @@

  .label {
    padding-right: 30px;
+    vertical-align: top;
  }

  .pool-logo {
@@ -30,7 +31,8 @@
    height: 22px;
    position: relative;
    top: -1px;
-    margin-right: 3px;
+    margin-right: 4px;
+    margin-bottom: 4px;
  }

  .oobFees {
--- a/frontend/src/app/components/acceleration-timeline/acceleration-timeline.component.html
+++ b/frontend/src/app/components/acceleration-timeline/acceleration-timeline.component.html
@@ -1,6 +1,6 @@
 <div class="acceleration-timeline box" [class.lower-padding]="!tx.status.confirmed">
  <div class="timeline-wrapper">
-    @if (!tx.status.confirmed) {
+    @if (!tx.status.confirmed || canceled) {
    <div class="timeline">
      <div class="intervals">
        <div class="node-spacer"></div>
@@ -8,8 +8,8 @@
        <div class="node-spacer"></div>
        <div class="interval">
          <div class="interval-time">
-            @if (eta) {
-              ~<app-time [time]="eta?.wait / 1000"></app-time> <!-- <span *ngIf="accelerateRatio > 1" class="compare"> ({{ accelerateRatio }}x faster)</span> -->
+            @if (eta && !canceled) {
+              ~<app-time [time]="eta?.wait / 1000"></app-time>
              }
          </div>
        </div>
@@ -19,16 +19,20 @@
        <div class="node-spacer"></div>
        <div class="interval-spacer"></div>
        <div class="node">
-          <div class="acc-to-confirmed right go-faster"></div>
+          <div class="acc-to-confirmed right go-faster" [class.no-animation]="canceled"></div>
        </div>
        <div class="interval-spacer">
        </div>
        <div class="node" [id]="'confirmed'">
-          <div class="acc-to-confirmed left go-faster"></div>
+          <div class="acc-to-confirmed left go-faster" [class.no-animation]="canceled"></div>
          <div class="shape-border waiting">
            <div class="shape"></div>
          </div>
-          <div class="status"><span class="badge badge-waiting" i18n="transaction.rbf.mined">Mined</span></div>
+          @if (canceled) {
+          <div class="status"><span class="badge badge-danger" i18n="accelerator.canceled">Canceled</span></div>
+          } @else {
+            <div class="status"><span class="badge badge-waiting" i18n="transaction.rbf.mined">Mined</span></div>
+          }
        </div>
      </div>
    </div>
@@ -38,18 +42,16 @@
        <div class="node-spacer"></div>
        <div class="interval">
          <div class="interval-time">
-            <app-time [time]="acceleratedAt - transactionTime"></app-time>
+            <app-time [time]="firstSeenToAccelerated"></app-time>
          </div>
        </div>
        <div class="node-spacer"></div>
        <div class="interval">
          <div class="interval-time">
            @if (tx.status.confirmed) {
-              <div class="interval-time">
-                <app-time [time]="tx.status.block_time - acceleratedAt"></app-time>
-              </div>
-            } @else if (standardETA && !tx.status.confirmed) {
-              <!-- ~<app-time [time]="standardETA / 1000 - now"></app-time> -->
+              <app-time [time]="acceleratedToMined"></app-time>
+            } @else if (eta && canceled) {
+              ~<app-time [time]="eta?.wait / 1000"></app-time>
            }
          </div>
        </div>
@@ -73,42 +75,42 @@
        <div class="interval-spacer">
          <div class="seen-to-acc"></div>
        </div>
-        <div class="node" [class.accelerated]="!tx.status.confirmed" [id]="'accelerated'">
+        <div class="node" [class.accelerated]="!tx.status.confirmed && !canceled" [id]="'accelerated'">
          <div class="seen-to-acc left"></div>
-          @if (tx.status.confirmed) {
+          @if (tx.status.confirmed && !canceled) {
            <div class="acc-to-confirmed right"></div>
          } @else {
          <div class="seen-to-acc right"></div>
          }
          <div  class="shape-border hovering" (pointerover)="onHover($event, 'accelerated');" (pointerout)="onBlur($event);">
            <div class="shape"></div>
-            @if (!tx.status.confirmed) {
-            <div class="connector down loading"></div>
+            @if (!tx.status.confirmed || canceled) {
+            <div class="connector down" [class.loading]="!canceled"></div>
            }
          </div>
-          @if (tx.status.confirmed) {
+          @if (tx.status.confirmed && !canceled) {
            <div class="status"><span class="badge badge-accelerated" i18n="transaction.audit.accelerated">Accelerated</span></div>
          }
-          <div class="time" [class.no-margin]="!tx.status.confirmed" [class.offset-left]="!tx.status.confirmed">
+          <div class="time" [class.no-margin]="!tx.status.confirmed || canceled" [class.offset-left]="!tx.status.confirmed || canceled">
            @if (!tx.status.confirmed) {
            <span i18n="transaction.audit.accelerated">Accelerated</span>{{ "" }} 
            }
            @if (useAbsoluteTime) {
            <span>{{ acceleratedAt * 1000 | date }}</span>
            } @else {
-            <app-time kind="since" [time]="acceleratedAt" [lowercaseStart]="!tx.status.confirmed"></app-time>
+            <app-time kind="since" [time]="acceleratedAt" [lowercaseStart]="!tx.status.confirmed || canceled"></app-time>
            }
          </div>
        </div>
        <div class="interval-spacer">
-          @if (tx.status.confirmed) {
+          @if (tx.status.confirmed && !canceled) {
          <div class="acc-to-confirmed"></div>
          } @else {
          <div class="seen-to-acc"></div>
          }
        </div>
        <div class="node" [class.selected]="tx.status.confirmed" [id]="'confirmed'">
-          @if (tx.status.confirmed) {
+          @if (tx.status.confirmed && !canceled) {
          <div class="acc-to-confirmed left"></div>
          } @else {
          <div class="seen-to-acc left"></div>
--- a/frontend/src/app/components/acceleration-timeline/acceleration-timeline.component.scss
+++ b/frontend/src/app/components/acceleration-timeline/acceleration-timeline.component.scss
@@ -129,6 +129,9 @@
          margin-left: calc(-4em + 5px);
          animation: goFasterLeft 0.8s infinite linear;
        }
+        &.no-animation {
+          animation: none;
+        }
      }

      &.left {
--- a/frontend/src/app/components/acceleration-timeline/acceleration-timeline.component.ts
+++ b/frontend/src/app/components/acceleration-timeline/acceleration-timeline.component.ts
@@ -1,8 +1,8 @@
 import { Component, Input, OnInit, OnChanges, HostListener } from '@angular/core';
-import { ETA } from '../../services/eta.service';
-import { Transaction } from '../../interfaces/electrs.interface';
-import { Acceleration, SinglePoolStats } from '../../interfaces/node-api.interface';
-import { MiningService } from '../../services/mining.service';
+import { ETA } from '@app/services/eta.service';
+import { Transaction } from '@interfaces/electrs.interface';
+import { Acceleration, SinglePoolStats } from '@interfaces/node-api.interface';
+import { MiningService } from '@app/services/mining.service';

@Component({
  selector: 'app-acceleration-timeline',
@@ -11,19 +11,17 @@ import { MiningService } from '../../services/mining.service';
 })
 export class AccelerationTimelineComponent implements OnInit, OnChanges {
  @Input() transactionTime: number;
+  @Input() acceleratedAt: number;
  @Input() tx: Transaction;
  @Input() accelerationInfo: Acceleration;
  @Input() eta: ETA;
-  // A mined transaction has standard ETA and accelerated ETA undefined
-  // A transaction in mempool has either standardETA defined (if accelerated) or acceleratedETA defined (if not accelerated yet)
-  @Input() standardETA: number;
-  @Input() acceleratedETA: number;
+  @Input() canceled: boolean;

-  acceleratedAt: number;
  now: number;
  accelerateRatio: number;
  useAbsoluteTime: boolean = false;
-  interval: number;
+  firstSeenToAccelerated: number;
+  acceleratedToMined: number;

  tooltipPosition = null;
  hoverInfo: any = null;
@@ -34,38 +32,24 @@ export class AccelerationTimelineComponent implements OnInit, OnChanges {
  ) {}

  ngOnInit(): void {
-    this.acceleratedAt = this.tx.acceleratedAt ?? new Date().getTime() / 1000;
-    this.now = Math.floor(new Date().getTime() / 1000);
-    this.useAbsoluteTime = this.tx.status.block_time < this.now - 7 * 24 * 3600;
+    this.updateTimes();

    this.miningService.getPools().subscribe(pools => {
      for (const pool of pools) {
        this.poolsData[pool.unique_id] = pool;
      }
    });
-
-    this.interval = window.setInterval(() => {
-      this.now = Math.floor(new Date().getTime() / 1000);
-      this.useAbsoluteTime = this.tx.status.block_time < this.now - 7 * 24 * 3600;
-    }, 60000);
  }

  ngOnChanges(changes): void {
-    // Hide standard ETA while we don't have a proper standard ETA calculation, see https://github.com/mempool/mempool/issues/65
-    
-    // if (changes?.eta?.currentValue || changes?.standardETA?.currentValue || changes?.acceleratedETA?.currentValue) {
-    //   if (changes?.eta?.currentValue) {
-    //     if (changes?.acceleratedETA?.currentValue) {
-    //       this.accelerateRatio = Math.floor((Math.floor(changes.eta.currentValue.time / 1000) - this.now) / (Math.floor(changes.acceleratedETA.currentValue / 1000) - this.now));
-    //     } else if (changes?.standardETA?.currentValue) {
-    //       this.accelerateRatio = Math.floor((Math.floor(changes.standardETA.currentValue / 1000) - this.now) / (Math.floor(changes.eta.currentValue.time / 1000) - this.now));
-    //     }
-    //   }
-    // }
+    this.updateTimes();
  }

-  ngOnDestroy(): void {
-    clearInterval(this.interval);
+  updateTimes(): void {
+    this.now = Math.floor(new Date().getTime() / 1000);
+    this.useAbsoluteTime = this.tx.status.block_time < this.now - 7 * 24 * 3600;
+    this.firstSeenToAccelerated = Math.max(0, this.acceleratedAt - this.transactionTime);
+    this.acceleratedToMined = Math.max(0, this.tx.status.block_time - this.acceleratedAt);
  }
  
  onHover(event, status: string): void {
--- a/frontend/src/app/components/acceleration/acceleration-fees-graph/acceleration-fees-graph.component.ts
+++ b/frontend/src/app/components/acceleration/acceleration-fees-graph/acceleration-fees-graph.component.ts
@@ -1,18 +1,18 @@
 import { ChangeDetectionStrategy, ChangeDetectorRef, Component, Inject, Input, LOCALE_ID, NgZone, OnChanges, OnDestroy, OnInit, SimpleChanges } from '@angular/core';
-import { EChartsOption } from '../../../graphs/echarts';
+import { EChartsOption } from '@app/graphs/echarts';
 import { Observable, Subject, Subscription, combineLatest, fromEvent, merge, share } from 'rxjs';
 import { startWith, switchMap, tap } from 'rxjs/operators';
-import { SeoService } from '../../../services/seo.service';
+import { SeoService } from '@app/services/seo.service';
 import { formatNumber } from '@angular/common';
 import { UntypedFormBuilder, UntypedFormGroup } from '@angular/forms';
-import { download, formatterXAxis, formatterXAxisLabel, formatterXAxisTimeCategory } from '../../../shared/graphs.utils';
-import { StorageService } from '../../../services/storage.service';
-import { MiningService } from '../../../services/mining.service';
+import { download, formatterXAxis, formatterXAxisLabel, formatterXAxisTimeCategory } from '@app/shared/graphs.utils';
+import { StorageService } from '@app/services/storage.service';
+import { MiningService } from '@app/services/mining.service';
 import { ActivatedRoute, Router } from '@angular/router';
-import { Acceleration } from '../../../interfaces/node-api.interface';
-import { ServicesApiServices } from '../../../services/services-api.service';
-import { StateService } from '../../../services/state.service';
-import { RelativeUrlPipe } from '../../../shared/pipes/relative-url/relative-url.pipe';
+import { Acceleration } from '@interfaces/node-api.interface';
+import { ServicesApiServices } from '@app/services/services-api.service';
+import { StateService } from '@app/services/state.service';
+import { RelativeUrlPipe } from '@app/shared/pipes/relative-url/relative-url.pipe';

@Component({
  selector: 'app-acceleration-fees-graph',
@@ -46,6 +46,8 @@ export class AccelerationFeesGraphComponent implements OnInit, OnChanges, OnDest

  aggregatedHistory$: Observable<any>;
  statsSubscription: Subscription;
+  aggregatedHistorySubscription: Subscription;
+  fragmentSubscription: Subscription;
  isLoading = true;
  formatNumber = formatNumber;
  timespan = '';
@@ -79,8 +81,8 @@ export class AccelerationFeesGraphComponent implements OnInit, OnChanges, OnDest
    }
    this.radioGroupForm = this.formBuilder.group({ dateSpan: this.miningWindowPreference });
    this.radioGroupForm.controls.dateSpan.setValue(this.miningWindowPreference);
-    
-    this.route.fragment.subscribe((fragment) => {
+
+    this.fragmentSubscription = this.route.fragment.subscribe((fragment) => {
      if (['24h', '3d', '1w', '1m', '3m', 'all'].indexOf(fragment) > -1) {
        this.radioGroupForm.controls.dateSpan.setValue(fragment, { emitEvent: false });
      }
@@ -113,7 +115,7 @@ export class AccelerationFeesGraphComponent implements OnInit, OnChanges, OnDest
      share(),
    );

-    this.aggregatedHistory$.subscribe();
+    this.aggregatedHistorySubscription = this.aggregatedHistory$.subscribe();
  }

  ngOnChanges(changes: SimpleChanges): void {
@@ -264,7 +266,7 @@ export class AccelerationFeesGraphComponent implements OnInit, OnChanges, OnDest
          type: 'bar',
          barWidth: '90%',
          large: true,
-          barMinHeight: 1,
+          barMinHeight: 3,
        },
      ],
      dataZoom: (this.widget || data.length === 0 )? undefined : [{
@@ -335,8 +337,8 @@ export class AccelerationFeesGraphComponent implements OnInit, OnChanges, OnDest
  }

  ngOnDestroy(): void {
-    if (this.statsSubscription) {
-      this.statsSubscription.unsubscribe();
-    }
+    this.aggregatedHistorySubscription?.unsubscribe();
+    this.fragmentSubscription?.unsubscribe();
+    this.statsSubscription?.unsubscribe();
  }
 }
--- a/frontend/src/app/components/acceleration/acceleration-stats/acceleration-stats.component.ts
+++ b/frontend/src/app/components/acceleration/acceleration-stats/acceleration-stats.component.ts
@@ -1,6 +1,6 @@
 import { ChangeDetectionStrategy, Component, Input, OnChanges, OnInit } from '@angular/core';
 import { Observable } from 'rxjs';
-import { ServicesApiServices } from '../../../services/services-api.service';
+import { ServicesApiServices } from '@app/services/services-api.service';

 export type AccelerationStats = {
  totalRequested: number;
--- a/frontend/src/app/components/acceleration/accelerations-list/accelerations-list.component.html
+++ b/frontend/src/app/components/acceleration/accelerations-list/accelerations-list.component.html
@@ -4,7 +4,7 @@

  <div class="clearfix"></div>

-  <div class="acceleration-list">
+  <div class="acceleration-list" *ngIf="{ accelerations: accelerationList$ | async } as state">
    <table *ngIf="nonEmptyAccelerations; else noData" class="table table-borderless table-fixed">
      <thead>
        <th class="txid text-left" i18n="dashboard.latest-transactions.txid">TXID</th>
@@ -14,15 +14,15 @@
          <th class="time text-right" i18n="accelerator.requested">Requested</th>
        </ng-container>
        <ng-container *ngIf="!pending">
-          <th class="fee text-right" i18n="transaction.bid-boost|Bid Boost">Bid Boost</th>
+          <th class="fee text-right text-truncate" i18n="transaction.bid-boost|Bid Boost">Bid Boost</th>
          <th class="block text-right" i18n="shared.block-title">Block</th>
          <th class="pool text-right" i18n="mining.pool-name" *ngIf="!this.widget">Pool</th>
          <th class="status text-right" i18n="transaction.status|Transaction Status">Status</th>
          <th class="date text-right" i18n="accelerator.requested" *ngIf="!this.widget">Requested</th>
        </ng-container>
      </thead>
-      <tbody *ngIf="accelerationList$ | async as accelerations; else skeleton" [style]="isLoading ? 'opacity: 0.75' : ''">
-        <tr *ngFor="let acceleration of accelerations; let i= index;">
+      <tbody *ngIf="state.accelerations && nonEmptyAccelerations; else skeleton" [style]="isLoading ? 'opacity: 0.75' : ''">
+        <tr *ngFor="let acceleration of state.accelerations; let i= index;">
          <td class="txid text-left">
            <a [routerLink]="['/tx' | relativeUrl, acceleration.txid]">
              <app-truncate [text]="acceleration.txid" [lastChars]="5"></app-truncate>
@@ -33,7 +33,7 @@
              <app-fee-rate [fee]="acceleration.effectiveFee" [weight]="acceleration.effectiveVsize * 4"></app-fee-rate>
            </td>
            <td class="bid text-right">
-              {{ (acceleration.feeDelta) | number }} <span class="symbol" i18n="shared.sat|sat">sat</span>
+              {{ (acceleration.feeDelta) | number }} <span class="symbol" i18n="shared.sats">sats</span>
            </td>
            <td class="time text-right">
              <app-time kind="since" [time]="acceleration.added" [fastRender]="true" [showTooltip]="true"></app-time>
@@ -41,7 +41,7 @@
          </ng-container>
          <ng-container *ngIf="!pending">
            <td *ngIf="acceleration.boost != null" class="fee text-right">
-              {{ acceleration.boost | number }} <span class="symbol" i18n="shared.sat|sat">sat</span>
+              {{ acceleration.boost | number }} <span class="symbol" i18n="shared.sats">sats</span>
            </td>
            <td *ngIf="acceleration.boost == null" class="fee text-right">
              ~
@@ -64,7 +64,8 @@
              <span *ngIf="acceleration.status === 'accelerating'" class="badge badge-warning" i18n="accelerator.pending">Pending</span>
              <span *ngIf="acceleration.status.includes('completed') && acceleration.minedByPoolUniqueId && pools[acceleration.minedByPoolUniqueId]" class="badge badge-success"><ng-container i18n="accelerator.completed">Completed</ng-container><span *ngIf="acceleration.status === 'completed_provisional'">&nbsp;⌛</span></span>
              <span *ngIf="acceleration.status.includes('completed') && (!acceleration.minedByPoolUniqueId || !pools[acceleration.minedByPoolUniqueId])" class="badge badge-success"><ng-container i18n="transaction.rbf.mined">Mined</ng-container><span *ngIf="acceleration.status === 'completed_provisional'">&nbsp;⌛</span></span>
-              <span *ngIf="acceleration.status.includes('failed')" class="badge badge-danger"><ng-container i18n="accelerator.canceled">Failed</ng-container><span *ngIf="acceleration.status === 'failed_provisional'">&nbsp;⌛</span></span>
+              <span *ngIf="acceleration.status.includes('failed') && acceleration.canceled" class="badge badge-danger"><ng-container i18n="accelerator.canceled">Canceled</ng-container><span *ngIf="acceleration.status === 'failed_provisional'">&nbsp;⌛</span></span>
+              <span *ngIf="acceleration.status.includes('failed') && !acceleration.canceled" class="badge badge-danger"><ng-container i18n="accelerator.canceled">Failed</ng-container><span *ngIf="acceleration.status === 'failed_provisional'">&nbsp;⌛</span></span>
            </td>
            <td class="date text-right" *ngIf="!this.widget">
              <app-time kind="since" [time]="acceleration.added" [fastRender]="true" [showTooltip]="true"></app-time>
--- a/frontend/src/app/components/acceleration/accelerations-list/accelerations-list.component.ts
+++ b/frontend/src/app/components/acceleration/accelerations-list/accelerations-list.component.ts
@@ -1,12 +1,12 @@
 import { Component, OnInit, ChangeDetectionStrategy, Input, ChangeDetectorRef, OnDestroy, Inject, LOCALE_ID } from '@angular/core';
-import { BehaviorSubject, Observable, Subscription, catchError, filter, of, switchMap, tap, throttleTime } from 'rxjs';
-import { Acceleration, BlockExtended, SinglePoolStats } from '../../../interfaces/node-api.interface';
-import { StateService } from '../../../services/state.service';
-import { WebsocketService } from '../../../services/websocket.service';
-import { ServicesApiServices } from '../../../services/services-api.service';
-import { SeoService } from '../../../services/seo.service';
+import { BehaviorSubject, Observable, Subscription, catchError, combineLatest, filter, of, switchMap, tap, throttleTime, timer } from 'rxjs';
+import { Acceleration, BlockExtended, SinglePoolStats } from '@interfaces/node-api.interface';
+import { StateService } from '@app/services/state.service';
+import { WebsocketService } from '@app/services/websocket.service';
+import { ServicesApiServices } from '@app/services/services-api.service';
+import { SeoService } from '@app/services/seo.service';
 import { ActivatedRoute, Router } from '@angular/router';
-import { MiningService } from '../../../services/mining.service';
+import { MiningService } from '@app/services/mining.service';

@Component({
  selector: 'app-accelerations-list',
@@ -61,8 +61,11 @@ export class AccelerationsListComponent implements OnInit, OnDestroy {
      this.websocketService.want(['blocks']);
      this.seoService.setTitle($localize`:@@02573b6980a2d611b4361a2595a4447e390058cd:Accelerations`);

-      this.paramSubscription = this.route.params.pipe(
-        tap(params => {
+      this.paramSubscription = combineLatest([
+        this.route.params,
+        timer(0),
+      ]).pipe(
+        tap(([params]) => {
          this.page = +params['page'] || 1;
          this.pageSubject.next(this.page);
        })
@@ -148,4 +151,4 @@ export class AccelerationsListComponent implements OnInit, OnDestroy {
    this.paramSubscription?.unsubscribe();
    this.keyNavigationSubscription?.unsubscribe();
  }
-}
+}
--- a/frontend/src/app/components/acceleration/accelerator-dashboard/accelerator-dashboard.component.ts
+++ b/frontend/src/app/components/acceleration/accelerator-dashboard/accelerator-dashboard.component.ts
@@ -1,18 +1,18 @@
 import { ChangeDetectionStrategy, Component, HostListener, Inject, OnDestroy, OnInit, PLATFORM_ID } from '@angular/core';
-import { SeoService } from '../../../services/seo.service';
-import { OpenGraphService } from '../../../services/opengraph.service';
-import { WebsocketService } from '../../../services/websocket.service';
-import { Acceleration, BlockExtended } from '../../../interfaces/node-api.interface';
-import { StateService } from '../../../services/state.service';
+import { SeoService } from '@app/services/seo.service';
+import { OpenGraphService } from '@app/services/opengraph.service';
+import { WebsocketService } from '@app/services/websocket.service';
+import { Acceleration, BlockExtended } from '@interfaces/node-api.interface';
+import { StateService } from '@app/services/state.service';
 import { Observable, Subscription, catchError, combineLatest, distinctUntilChanged, map, of, share, switchMap, tap } from 'rxjs';
-import { Color } from '../../block-overview-graph/sprite-types';
-import { hexToColor } from '../../block-overview-graph/utils';
-import TxView from '../../block-overview-graph/tx-view';
-import { feeLevels, defaultMempoolFeeColors, contrastMempoolFeeColors } from '../../../app.constants';
-import { ServicesApiServices } from '../../../services/services-api.service';
-import { detectWebGL } from '../../../shared/graphs.utils';
-import { AudioService } from '../../../services/audio.service';
-import { ThemeService } from '../../../services/theme.service';
+import { Color } from '@components/block-overview-graph/sprite-types';
+import { hexToColor } from '@components/block-overview-graph/utils';
+import TxView from '@components/block-overview-graph/tx-view';
+import { feeLevels, defaultMempoolFeeColors, contrastMempoolFeeColors } from '@app/app.constants';
+import { ServicesApiServices } from '@app/services/services-api.service';
+import { detectWebGL } from '@app/shared/graphs.utils';
+import { AudioService } from '@app/services/audio.service';
+import { ThemeService } from '@app/services/theme.service';

 const acceleratedColor: Color = hexToColor('8F5FF6');
 const normalColors = defaultMempoolFeeColors.map(hex => hexToColor(hex + '5F'));
--- a/frontend/src/app/components/acceleration/active-acceleration-box/active-acceleration-box.component.html
+++ b/frontend/src/app/components/acceleration/active-acceleration-box/active-acceleration-box.component.html
@@ -10,17 +10,17 @@
      </td>
      <td class="field-value" [class]="chartPositionLeft ? 'chart-left' : ''">
        <div class="effective-fee-container">
-          @if (accelerationInfo?.acceleratedFeeRate && (!tx.effectiveFeePerVsize || accelerationInfo.acceleratedFeeRate >= tx.effectiveFeePerVsize)) {
+          @if (accelerationInfo?.acceleratedFeeRate && (!effectiveFeeRate || accelerationInfo.acceleratedFeeRate >= effectiveFeeRate)) {
            <app-fee-rate class="oobFees" [fee]="accelerationInfo.acceleratedFeeRate"></app-fee-rate>
          } @else {
-            <app-fee-rate class="oobFees" [fee]="tx.effectiveFeePerVsize"></app-fee-rate>
+            <app-fee-rate class="oobFees" [fee]="effectiveFeeRate"></app-fee-rate>
          }
        </div>
      </td>
      <td class="pie-chart" rowspan="2" *ngIf="!chartPositionLeft">
        <div class="d-flex justify-content-between align-items-start">
          @if (hasCpfp) {
-            <button type="button" class="btn btn-outline-info btn-sm btn-small-height float-right mt-0" (click)="onToggleCpfp()">CPFP <fa-icon [icon]="['fas', 'info-circle']" [fixedWidth]="true"></fa-icon></button>
+            <button type="button" class="btn btn-outline-info btn-sm btn-small-height float-right mt-0" (click)="onToggleCpfp()">CPFP</button>
          }
          <ng-container *ngTemplateOutlet="pieChart"></ng-container>
        </div>
@@ -36,7 +36,7 @@
      <tr>
        <td colspan="3" class="pt-0">
          <div class="d-flex justify-content-end align-items-start">
-            <button type="button" class="btn btn-outline-info btn-sm btn-small-height float-right mt-0" (click)="onToggleCpfp()">CPFP <fa-icon [icon]="['fas', 'info-circle']" [fixedWidth]="true"></fa-icon></button>
+            <button type="button" class="btn btn-outline-info btn-sm btn-small-height float-right mt-0" (click)="onToggleCpfp()">CPFP</button>
          </div>
        </td>
      </tr>
--- a/frontend/src/app/components/acceleration/active-acceleration-box/active-acceleration-box.component.ts
+++ b/frontend/src/app/components/acceleration/active-acceleration-box/active-acceleration-box.component.ts
@@ -1,8 +1,8 @@
-import { Component, ChangeDetectionStrategy, Input, Output, OnChanges, SimpleChanges, EventEmitter } from '@angular/core';
-import { Transaction } from '../../../interfaces/electrs.interface';
-import { Acceleration, SinglePoolStats } from '../../../interfaces/node-api.interface';
-import { EChartsOption, PieSeriesOption } from '../../../graphs/echarts';
-import { MiningStats } from '../../../services/mining.service';
+import { Component, ChangeDetectionStrategy, Input, Output, OnChanges, SimpleChanges, EventEmitter, ChangeDetectorRef } from '@angular/core';
+import { Transaction } from '@interfaces/electrs.interface';
+import { Acceleration, SinglePoolStats } from '@interfaces/node-api.interface';
+import { EChartsOption, PieSeriesOption } from '@app/graphs/echarts';
+import { MiningStats } from '@app/services/mining.service';

 function lighten(color, p): { r, g, b } {
  return {
@@ -23,7 +23,8 @@ function toRGB({r,g,b}): string {
  changeDetection: ChangeDetectionStrategy.OnPush,
 })
 export class ActiveAccelerationBox implements OnChanges {
-  @Input() tx: Transaction;
+  @Input() acceleratedBy?: number[];
+  @Input() effectiveFeeRate?: number;
  @Input() accelerationInfo: Acceleration;
  @Input() miningStats: MiningStats;
  @Input() pools: number[];
@@ -41,10 +42,12 @@ export class ActiveAccelerationBox implements OnChanges {
  timespan = '';
  chartInstance: any = undefined;

-  constructor() {}
+  constructor(
+    private cd: ChangeDetectorRef,
+  ) {}

  ngOnChanges(changes: SimpleChanges): void {
-    const pools = this.pools || this.accelerationInfo?.pools || this.tx.acceleratedBy;
+    const pools = this.pools || this.accelerationInfo?.pools || this.acceleratedBy;
    if (pools && this.miningStats) {
      this.prepareChartOptions(pools);
    }
@@ -73,15 +76,21 @@ export class ActiveAccelerationBox implements OnChanges {
    acceleratingPools.forEach((poolId, index) => {
      const pool = pools[poolId];
      const poolShare = ((pool.lastEstimatedHashrate / this.miningStats.lastEstimatedHashrate) * 100).toFixed(1);
+      let color = 'white';
+      if (index >= firstSignificantPool) {
+        if (numSignificantPools > 1) {
+          color = toRGB(lighten({ r: 147, g: 57, b: 244 }, 1 - (index - firstSignificantPool) / Math.max((numSignificantPools - 1), 1)));
+        } else {
+          color = toRGB({ r: 147, g: 57, b: 244 });
+        }
+      }
      data.push(getDataItem(
        pool.lastEstimatedHashrate,
-        index >= firstSignificantPool
-          ? toRGB(lighten({ r: 147, g: 57, b: 244 }, 1 - (index - firstSignificantPool) / (numSignificantPools - 1)))
-          : 'white',
+        color,
        `<b style="color: white">${pool.name} (${poolShare}%)</b>`,
        true,
      ) as PieSeriesOption);
-    })
+    });
    this.acceleratedByPercentage = ((totalAcceleratedHashrate / this.miningStats.lastEstimatedHashrate) * 100).toFixed(1) + '%';
    const notAcceleratedByPercentage = ((1 - (totalAcceleratedHashrate / this.miningStats.lastEstimatedHashrate)) * 100).toFixed(1) + '%';
    data.push(getDataItem(
@@ -132,6 +141,7 @@ export class ActiveAccelerationBox implements OnChanges {
        }
      ]
    };
+    this.cd.markForCheck();
  }

  onChartInit(ec) {
@@ -144,4 +154,4 @@ export class ActiveAccelerationBox implements OnChanges {
  onToggleCpfp(): void {
    this.toggleCpfp.emit();
  }
-}
+}
--- a/frontend/src/app/components/acceleration/pending-stats/pending-stats.component.ts
+++ b/frontend/src/app/components/acceleration/pending-stats/pending-stats.component.ts
@@ -1,9 +1,9 @@
 import { ChangeDetectionStrategy, Component, Input, OnInit } from '@angular/core';
 import { Observable, of } from 'rxjs';
 import { switchMap } from 'rxjs/operators';
-import { Acceleration } from '../../../interfaces/node-api.interface';
-import { StateService } from '../../../services/state.service';
-import { WebsocketService } from '../../../services/websocket.service';
+import { Acceleration } from '@interfaces/node-api.interface';
+import { StateService } from '@app/services/state.service';
+import { WebsocketService } from '@app/services/websocket.service';

@Component({
  selector: 'app-pending-stats',
--- a/frontend/src/app/components/address-graph/address-graph.component.ts
+++ b/frontend/src/app/components/address-graph/address-graph.component.ts
@@ -1,16 +1,15 @@
 import { ChangeDetectionStrategy, ChangeDetectorRef, Component, Inject, Input, LOCALE_ID, NgZone, OnChanges, OnDestroy, SimpleChanges } from '@angular/core';
-import { echarts, EChartsOption } from '../../graphs/echarts';
+import { echarts, EChartsOption } from '@app/graphs/echarts';
 import { BehaviorSubject, Observable, Subscription, combineLatest, of } from 'rxjs';
 import { catchError, map, switchMap, tap } from 'rxjs/operators';
-import { AddressTxSummary, ChainStats } from '../../interfaces/electrs.interface';
-import { ElectrsApiService } from '../../services/electrs-api.service';
-import { AmountShortenerPipe } from '../../shared/pipes/amount-shortener.pipe';
+import { AddressTxSummary, ChainStats } from '@interfaces/electrs.interface';
+import { ElectrsApiService } from '@app/services/electrs-api.service';
+import { AmountShortenerPipe } from '@app/shared/pipes/amount-shortener.pipe';
 import { Router } from '@angular/router';
-import { RelativeUrlPipe } from '../../shared/pipes/relative-url/relative-url.pipe';
-import { StateService } from '../../services/state.service';
-import { PriceService } from '../../services/price.service';
-import { FiatCurrencyPipe } from '../../shared/pipes/fiat-currency.pipe';
-import { FiatShortenerPipe } from '../../shared/pipes/fiat-shortener.pipe';
+import { RelativeUrlPipe } from '@app/shared/pipes/relative-url/relative-url.pipe';
+import { StateService } from '@app/services/state.service';
+import { PriceService } from '@app/services/price.service';
+import { FiatCurrencyPipe } from '@app/shared/pipes/fiat-currency.pipe';

 const periodSeconds = {
  '1d': (60 * 60 * 24),
@@ -45,14 +44,18 @@ export class AddressGraphComponent implements OnChanges, OnDestroy {
  @Input() right: number | string = 10;
  @Input() left: number | string = 70;
  @Input() widget: boolean = false;
+  @Input() defaultFiat: boolean = false;
+  @Input() showLegend: boolean = true;
+  @Input() showYAxis: boolean = true;

+  adjustedLeft: number;
+  adjustedRight: number;
  data: any[] = [];
  fiatData: any[] = [];
  hoverData: any[] = [];
  conversions: any;
  allowZoom: boolean = false;
-  initialRight = this.right;
-  initialLeft = this.left;
+
  selected = { [$localize`:@@7e69426bd97a606d8ae6026762858e6e7c86a1fd:Balance`]: true, 'Fiat': false };

  subscription: Subscription;
@@ -77,15 +80,17 @@ export class AddressGraphComponent implements OnChanges, OnDestroy {
    private relativeUrlPipe: RelativeUrlPipe,
    private priceService: PriceService,
    private fiatCurrencyPipe: FiatCurrencyPipe,
-    private fiatShortenerPipe: FiatShortenerPipe,
    private zone: NgZone,
  ) {}

  ngOnChanges(changes: SimpleChanges): void {
    this.isLoading = true;
-    if (!this.address || !this.stats) {
+    if (!this.addressSummary$ && (!this.address || !this.stats)) {
      return;
    }
+    if (changes.defaultFiat) {
+      this.selected['Fiat'] = !!this.defaultFiat;
+    }
    if (changes.address || changes.isPubkey || changes.addressSummary$ || changes.stats) {
      if (this.subscription) {
        this.subscription.unsubscribe();
@@ -118,7 +123,7 @@ export class AddressGraphComponent implements OnChanges, OnDestroy {
                    } else if (this.conversions && this.conversions['USD']) {
                      price = this.conversions['USD'];
                    }
-                    return { ...item, price: price }
+                    return { ...item, price: price };
                  });
                }
              }),
@@ -144,15 +149,16 @@ export class AddressGraphComponent implements OnChanges, OnDestroy {
  }

  prepareChartOptions(summary: AddressTxSummary[]) {
-    if (!summary || !this.stats) {
+    if (!summary) {
      return;
    }
-    
-    let total = (this.stats.funded_txo_sum - this.stats.spent_txo_sum);
+
+    const total = this.stats ? (this.stats.funded_txo_sum - this.stats.spent_txo_sum) : summary.reduce((acc, tx) => acc + tx.value, 0);
+    let runningTotal = total;
    const processData = summary.map(d => {
-        const balance = total;
-        const fiatBalance = total * d.price / 100_000_000;
-        total -= d.value;
+        const balance = runningTotal;
+        const fiatBalance = runningTotal * d.price / 100_000_000;
+        runningTotal -= d.value;
        return {
            time: d.time * 1000,
            balance,
@@ -160,7 +166,7 @@ export class AddressGraphComponent implements OnChanges, OnDestroy {
            d
        };
    }).reverse();
-    
+
    this.data = processData.filter(({ d }) => d.txid !== undefined).map(({ time, balance, d }) => [time, balance, d]);
    this.fiatData = processData.map(({ time, fiatBalance, balance, d }) => [time, fiatBalance, d, balance]);

@@ -172,12 +178,15 @@ export class AddressGraphComponent implements OnChanges, OnDestroy {
      this.fiatData = this.fiatData.filter(d => d[0] >= startFiat);
    }
    this.data.push(
-      {value: [now, this.stats.funded_txo_sum - this.stats.spent_txo_sum], symbol: 'none', tooltip: { show: false }}
+      {value: [now, total], symbol: 'none', tooltip: { show: false }}
    );

    const maxValue = this.data.reduce((acc, d) => Math.max(acc, Math.abs(d[1] ?? d.value[1])), 0);
    const minValue = this.data.reduce((acc, d) => Math.min(acc, Math.abs(d[1] ?? d.value[1])), maxValue);

+    this.adjustedRight = this.selected['Fiat'] ? +this.right + 40 : +this.right;
+    this.adjustedLeft = this.selected[$localize`:@@7e69426bd97a606d8ae6026762858e6e7c86a1fd:Balance`] ? +this.left : +this.left - 40;
+
    this.chartOptions = {
      color: [
        new echarts.graphic.LinearGradient(0, 0, 0, 1, [
@@ -193,10 +202,10 @@ export class AddressGraphComponent implements OnChanges, OnDestroy {
      grid: {
        top: 20,
        bottom: this.allowZoom ? 65 : 20,
-        right: this.right,
-        left: this.left,
+        right: this.adjustedRight,
+        left: this.adjustedLeft,
      },
-      legend: !this.stateService.isAnyTestnet() ? {
+      legend: (this.showLegend && !this.stateService.isAnyTestnet()) ? {
        data: [
          {
            name: $localize`:@@7e69426bd97a606d8ae6026762858e6e7c86a1fd:Balance`,
@@ -244,21 +253,22 @@ export class AddressGraphComponent implements OnChanges, OnDestroy {
          let tooltip = '<div>';

          const hasTx = data[0].data[2].txid;
+          const date = new Date(data[0].data[0]).toLocaleTimeString(this.locale, { year: 'numeric', month: 'short', day: 'numeric' });
+
+          tooltip += `<div>
+            <div style="text-align: right;">
+            <div><b>${date}</b></div>`;
+
          if (hasTx) {
            const header = data.length === 1
            ? `${data[0].data[2].txid.slice(0, 6)}...${data[0].data[2].txid.slice(-6)}`
            : `${data.length} transactions`;
-            tooltip += `<span><b>${header}</b></span>`;
+            tooltip += `<div><b>${header}</b></div>`;
          }
-          
-          const date = new Date(data[0].data[0]).toLocaleTimeString(this.locale, { year: 'numeric', month: 'short', day: 'numeric' });
-          
-          tooltip += `<div>
-            <div style="text-align: right;">`;
-          
+
          const formatBTC = (val, decimal) => (val / 100_000_000).toFixed(decimal);
          const formatFiat = (val) => this.fiatCurrencyPipe.transform(val, null, 'USD');
-          
+
          const btcVal = btcData.reduce((total, d) => total + d.data[2].value, 0);
          const fiatVal = fiatData.reduce((total, d) => total + d.data[2].value * d.data[2].price / 100_000_000, 0);
          const btcColor = btcVal === 0 ? '' : (btcVal > 0 ? 'var(--green)' : 'var(--red)');
@@ -290,7 +300,7 @@ export class AddressGraphComponent implements OnChanges, OnDestroy {
            }
          }

-          tooltip += `</div><span>${date}</span></div>`;
+          tooltip += `</div></div>`;
          return tooltip;
        }.bind(this)
      },
@@ -306,22 +316,26 @@ export class AddressGraphComponent implements OnChanges, OnDestroy {
          type: 'value',
          position: 'left',
          axisLabel: {
+            show: this.showYAxis,
            color: 'rgb(110, 112, 121)',
            formatter: (val): string => {
              let valSpan = maxValue - (this.period === 'all' ? 0 : minValue);
              if (valSpan > 100_000_000_000) {
-                return `${this.amountShortenerPipe.transform(Math.round(val / 100_000_000), 0)} BTC`;
+                return `${this.amountShortenerPipe.transform(Math.round(val / 100_000_000), 0, undefined, true)} BTC`;
              }
              else if (valSpan > 1_000_000_000) {
-                return `${this.amountShortenerPipe.transform(Math.round(val / 100_000_000), 2)} BTC`;
+                return `${this.amountShortenerPipe.transform(Math.round(val / 100_000_000), 2, undefined, true)} BTC`;
              } else if (valSpan > 100_000_000) {
                return `${(val / 100_000_000).toFixed(1)} BTC`;
              } else if (valSpan > 10_000_000) {
                return `${(val / 100_000_000).toFixed(2)} BTC`;
              } else if (valSpan > 1_000_000) {
+                if (maxValue > 100_000_000_000) {
+                  return `${this.amountShortenerPipe.transform(Math.round(val / 100_000_000), 3, undefined, true)} BTC`;
+                }
                return `${(val / 100_000_000).toFixed(3)} BTC`;
              } else {
-                return `${this.amountShortenerPipe.transform(val, 0)} sats`;
+                return `${this.amountShortenerPipe.transform(val, 0, undefined, true)} sats`;
              }
            }
          },
@@ -333,9 +347,10 @@ export class AddressGraphComponent implements OnChanges, OnDestroy {
        {
          type: 'value',
          axisLabel: {
+            show: this.showYAxis,
            color: 'rgb(110, 112, 121)',
            formatter: function(val) {
-              return this.fiatShortenerPipe.transform(val, null, 'USD');
+              return `$${this.amountShortenerPipe.transform(val, 3, undefined, true, true)}`;
            }.bind(this)
          },
          splitLine: {
@@ -389,8 +404,8 @@ export class AddressGraphComponent implements OnChanges, OnDestroy {
        type: 'slider',
        brushSelect: false,
        realtime: true,
-        left: this.left,
-        right: this.right,
+        left: this.adjustedLeft,
+        right: this.adjustedRight,
        selectedDataBackground: {
          lineStyle: {
            color: '#fff',
@@ -403,7 +418,7 @@ export class AddressGraphComponent implements OnChanges, OnDestroy {

  onChartClick(e) {
    if (this.hoverData?.length && this.hoverData[0]?.[2]?.txid) {
-      this.zone.run(() => { 
+      this.zone.run(() => {
        const url = this.relativeUrlPipe.transform(`/tx/${this.hoverData[0][2].txid}`);
        if (e.event.event.shiftKey || e.event.event.ctrlKey || e.event.event.metaKey) {
          window.open(url);
@@ -420,26 +435,26 @@ export class AddressGraphComponent implements OnChanges, OnDestroy {

  onLegendSelectChanged(e) {
    this.selected = e.selected;
-    this.right = this.selected['Fiat'] ? +this.initialRight + 40 : this.initialRight;
-    this.left = this.selected[$localize`:@@7e69426bd97a606d8ae6026762858e6e7c86a1fd:Balance`] ? this.initialLeft : +this.initialLeft - 40;
+    this.adjustedRight = this.selected['Fiat'] ? +this.right + 40 : +this.right;
+    this.adjustedLeft = this.selected[$localize`:@@7e69426bd97a606d8ae6026762858e6e7c86a1fd:Balance`] ? +this.left : +this.left - 40;

    this.chartOptions = {
      grid: {
-        right: this.right,
-        left: this.left,
+        right: this.adjustedRight,
+        left: this.adjustedLeft,
      },
      legend: {
        selected: this.selected,
      },
      dataZoom: this.allowZoom ? [{
-        left: this.left,
-        right: this.right,
+        left: this.adjustedLeft,
+        right: this.adjustedRight,
      }, {
-        left: this.left,
-        right: this.right,
+        left: this.adjustedLeft,
+        right: this.adjustedRight,
      }] : undefined
    };
-    
+
    if (this.chartInstance) {
      this.chartInstance.setOption(this.chartOptions);
    }
@@ -463,25 +478,30 @@ export class AddressGraphComponent implements OnChanges, OnDestroy {
  }

  extendSummary(summary) {
-    let extendedSummary = summary.slice();
+    const extendedSummary = summary.slice();

    // Add a point at today's date to make the graph end at the current time
    extendedSummary.unshift({ time: Date.now() / 1000, value: 0 });
-    extendedSummary.reverse();
-    
-    let oneHour = 60 * 60;
+
+    let maxTime = Date.now() / 1000;
+
+    const oneHour = 60 * 60;
    // Fill gaps longer than interval
    for (let i = 0; i < extendedSummary.length - 1; i++) {
-      let hours = Math.floor((extendedSummary[i + 1].time - extendedSummary[i].time) / oneHour);      
+      if (extendedSummary[i].time > maxTime) {
+        extendedSummary[i].time = maxTime - 30;
+      }
+      maxTime = extendedSummary[i].time;
+      const hours = Math.floor((extendedSummary[i].time - extendedSummary[i + 1].time) / oneHour);
      if (hours > 1) {
        for (let j = 1; j < hours; j++) {
-          let newTime = extendedSummary[i].time + oneHour * j;
+          const newTime = extendedSummary[i].time - oneHour * j;
          extendedSummary.splice(i + j, 0, { time: newTime, value: 0 });
        }
        i += hours - 1;
      }
    }
-  
-    return extendedSummary.reverse();
+
+    return extendedSummary;
  }
 }
--- a/frontend/src/app/components/address-group/address-group.component.ts
+++ b/frontend/src/app/components/address-group/address-group.component.ts
@@ -1,15 +1,15 @@
 import { Component, OnInit, OnDestroy, ChangeDetectorRef, HostListener } from '@angular/core';
 import { ActivatedRoute, ParamMap } from '@angular/router';
-import { ElectrsApiService } from '../../services/electrs-api.service';
+import { ElectrsApiService } from '@app/services/electrs-api.service';
 import { switchMap, catchError } from 'rxjs/operators';
-import { Address, Transaction } from '../../interfaces/electrs.interface';
-import { WebsocketService } from '../../services/websocket.service';
-import { StateService } from '../../services/state.service';
-import { AudioService } from '../../services/audio.service';
-import { ApiService } from '../../services/api.service';
+import { Address, Transaction } from '@interfaces/electrs.interface';
+import { WebsocketService } from '@app/services/websocket.service';
+import { StateService } from '@app/services/state.service';
+import { AudioService } from '@app/services/audio.service';
+import { ApiService } from '@app/services/api.service';
 import { of, Subscription, forkJoin } from 'rxjs';
-import { SeoService } from '../../services/seo.service';
-import { AddressInformation } from '../../interfaces/node-api.interface';
+import { SeoService } from '@app/services/seo.service';
+import { AddressInformation } from '@interfaces/node-api.interface';

@Component({
  selector: 'app-address-group',
--- a/frontend/src/app/components/address-labels/address-labels.component.ts
+++ b/frontend/src/app/components/address-labels/address-labels.component.ts
@@ -1,7 +1,7 @@
 import { Component, ChangeDetectionStrategy, Input, OnChanges } from '@angular/core';
-import { Vin, Vout } from '../../interfaces/electrs.interface';
-import { StateService } from '../../services/state.service';
-import { AddressType, AddressTypeInfo } from '../../shared/address-utils';
+import { Vin, Vout } from '@interfaces/electrs.interface';
+import { StateService } from '@app/services/state.service';
+import { AddressType, AddressTypeInfo } from '@app/shared/address-utils';

@Component({
  selector: 'app-address-labels',
--- a/frontend/src/app/components/address-transactions-widget/address-transactions-widget.component.html
+++ b/frontend/src/app/components/address-transactions-widget/address-transactions-widget.component.html
@@ -12,7 +12,7 @@
          <app-truncate [text]="transaction.txid" [lastChars]="5"></app-truncate>
        </a>
      </td>
-      <td class="table-cell-satoshis"><app-amount [satoshis]="transaction.value" digitsInfo="1.2-4" [noFiat]="true"></app-amount></td>
+      <td class="table-cell-satoshis"><app-amount [satoshis]="transaction.value" [digitsInfo]="getAmountDigits(transaction.value)" [noFiat]="true"></app-amount></td>
      <td class="table-cell-fiat" ><app-fiat [value]="transaction.value" [blockConversion]="transaction.price" digitsInfo="1.0-0"></app-fiat></td>
      <td class="table-cell-date"><app-time kind="since" [time]="transaction.time" [fastRender]="true" [showTooltip]="true"></app-time></td>
    </tr>
--- a/frontend/src/app/components/address-transactions-widget/address-transactions-widget.component.ts
+++ b/frontend/src/app/components/address-transactions-widget/address-transactions-widget.component.ts
@@ -1,9 +1,9 @@
 import { Component, Input, OnChanges, OnDestroy, OnInit, SimpleChanges } from '@angular/core';
-import { StateService } from '../../services/state.service';
-import { Address, AddressTxSummary } from '../../interfaces/electrs.interface';
-import { ElectrsApiService } from '../../services/electrs-api.service';
+import { StateService } from '@app/services/state.service';
+import { Address, AddressTxSummary } from '@interfaces/electrs.interface';
+import { ElectrsApiService } from '@app/services/electrs-api.service';
 import { Observable, Subscription, catchError, map, of, switchMap, zip } from 'rxjs';
-import { PriceService } from '../../services/price.service';
+import { PriceService } from '@app/services/price.service';

@Component({
  selector: 'app-address-transactions-widget',
@@ -43,7 +43,7 @@ export class AddressTransactionsWidgetComponent implements OnInit, OnChanges, On

  startAddressSubscription(): void {
    this.isLoading = true;
-    if (!this.address || !this.addressInfo) {
+    if (!this.addressSummary$ && (!this.address || !this.addressInfo)) {
      return;
    }
    this.transactions$ = (this.addressSummary$ || (this.isPubkey
@@ -55,7 +55,7 @@ export class AddressTransactionsWidgetComponent implements OnInit, OnChanges, On
      })
    )).pipe(
      map(summary => {
-        return summary?.slice(0, 6);
+        return summary?.filter(tx => Math.abs(tx.value) >= 1000000)?.slice(0, 6);
      }),
      switchMap(txs => {
        return (zip(txs.map(tx => this.priceService.getBlockPrice$(tx.time, txs.length < 3, this.currency).pipe(
@@ -68,6 +68,12 @@ export class AddressTransactionsWidgetComponent implements OnInit, OnChanges, On
        ))));
      })
    );
+
+  }
+
+  getAmountDigits(value: number): string {
+    const decimals = Math.max(0, 4 - Math.ceil(Math.log10(Math.abs(value / 100_000_000))));
+    return `1.${decimals}-${decimals}`;
  }

  ngOnDestroy(): void {
--- a/frontend/src/app/components/address/address-preview.component.ts
+++ b/frontend/src/app/components/address/address-preview.component.ts
@@ -1,16 +1,16 @@
 import { Component, OnInit, OnDestroy } from '@angular/core';
 import { ActivatedRoute, ParamMap } from '@angular/router';
-import { ElectrsApiService } from '../../services/electrs-api.service';
+import { ElectrsApiService } from '@app/services/electrs-api.service';
 import { switchMap, filter, catchError, map, tap } from 'rxjs/operators';
-import { Address, Transaction } from '../../interfaces/electrs.interface';
-import { StateService } from '../../services/state.service';
-import { OpenGraphService } from '../../services/opengraph.service';
-import { AudioService } from '../../services/audio.service';
-import { ApiService } from '../../services/api.service';
+import { Address, Transaction } from '@interfaces/electrs.interface';
+import { StateService } from '@app/services/state.service';
+import { OpenGraphService } from '@app/services/opengraph.service';
+import { AudioService } from '@app/services/audio.service';
+import { ApiService } from '@app/services/api.service';
 import { of, merge, Subscription, Observable } from 'rxjs';
-import { SeoService } from '../../services/seo.service';
-import { seoDescriptionNetwork } from '../../shared/common.utils';
-import { AddressInformation } from '../../interfaces/node-api.interface';
+import { SeoService } from '@app/services/seo.service';
+import { seoDescriptionNetwork } from '@app/shared/common.utils';
+import { AddressInformation } from '@interfaces/node-api.interface';

@Component({
  selector: 'app-address-preview',
--- a/frontend/src/app/components/address/address.component.html
+++ b/frontend/src/app/components/address/address.component.html
@@ -94,6 +94,20 @@
      </div>
    </ng-container>

+    <ng-container *ngIf="(stateService.backend$ | async) === 'esplora' && address && utxos && utxos.length > 2">
+      <br>
+      <div class="title-tx">
+        <h2 class="text-left" i18n="address.unspent-outputs">Unspent Outputs</h2>
+      </div>
+      <div class="box">
+        <div class="row">
+          <div class="col-md">
+            <app-utxo-graph [utxos]="utxos" left="80" />
+          </div>
+        </div>
+      </div>
+    </ng-container>
+
    <br>
    <div class="title-tx">
      <h2 class="text-left">
@@ -103,7 +117,7 @@
      </h2>
    </div>

-    <app-transactions-list [transactions]="transactions" [showConfirmations]="true" [address]="address.address" (loadMore)="loadMore()"></app-transactions-list>
+    <app-transactions-list [transactions]="transactions" [showConfirmations]="true" [addresses]="[address.address]" (loadMore)="loadMore()"></app-transactions-list>

    <div class="text-center">
      <ng-template [ngIf]="isLoadingTransactions">
--- a/frontend/src/app/components/address/address.component.ts
+++ b/frontend/src/app/components/address/address.component.ts
@@ -1,17 +1,17 @@
 import { Component, OnInit, OnDestroy, HostListener } from '@angular/core';
 import { ActivatedRoute, ParamMap } from '@angular/router';
-import { ElectrsApiService } from '../../services/electrs-api.service';
+import { ElectrsApiService } from '@app/services/electrs-api.service';
 import { switchMap, filter, catchError, map, tap } from 'rxjs/operators';
-import { Address, ChainStats, Transaction, Vin } from '../../interfaces/electrs.interface';
-import { WebsocketService } from '../../services/websocket.service';
-import { StateService } from '../../services/state.service';
-import { AudioService } from '../../services/audio.service';
-import { ApiService } from '../../services/api.service';
-import { of, merge, Subscription, Observable } from 'rxjs';
-import { SeoService } from '../../services/seo.service';
-import { seoDescriptionNetwork } from '../../shared/common.utils';
-import { AddressInformation } from '../../interfaces/node-api.interface';
-import { AddressTypeInfo } from '../../shared/address-utils';
+import { Address, ChainStats, Transaction, Utxo, Vin } from '@interfaces/electrs.interface';
+import { WebsocketService } from '@app/services/websocket.service';
+import { StateService } from '@app/services/state.service';
+import { AudioService } from '@app/services/audio.service';
+import { ApiService } from '@app/services/api.service';
+import { of, merge, Subscription, Observable, forkJoin } from 'rxjs';
+import { SeoService } from '@app/services/seo.service';
+import { seoDescriptionNetwork } from '@app/shared/common.utils';
+import { AddressInformation } from '@interfaces/node-api.interface';
+import { AddressTypeInfo } from '@app/shared/address-utils';

 class AddressStats implements ChainStats {
  address: string;
@@ -104,6 +104,7 @@ export class AddressComponent implements OnInit, OnDestroy {
  addressString: string;
  isLoadingAddress = true;
  transactions: Transaction[];
+  utxos: Utxo[];
  isLoadingTransactions = true;
  retryLoadMore = false;
  error: any;
@@ -159,6 +160,7 @@ export class AddressComponent implements OnInit, OnDestroy {
          this.address = null;
          this.isLoadingTransactions = true;
          this.transactions = null;
+          this.utxos = null;
          this.addressInfo = null;
          this.exampleChannel = null;
          document.body.scrollTo(0, 0);
@@ -212,11 +214,23 @@ export class AddressComponent implements OnInit, OnDestroy {
          this.updateChainStats();
          this.isLoadingAddress = false;
          this.isLoadingTransactions = true;
-          return address.is_pubkey
+          const utxoCount = this.chainStats.utxos + this.mempoolStats.utxos;
+          return forkJoin([
+            address.is_pubkey
              ? this.electrsApiService.getScriptHashTransactions$((address.address.length === 66 ? '21' : '41') + address.address + 'ac')
-              : this.electrsApiService.getAddressTransactions$(address.address);
+              : this.electrsApiService.getAddressTransactions$(address.address),
+            (utxoCount > 2 && utxoCount <= 500 ? (address.is_pubkey
+              ? this.electrsApiService.getScriptHashUtxos$((address.address.length === 66 ? '21' : '41') + address.address + 'ac')
+              : this.electrsApiService.getAddressUtxos$(address.address)) : of(null)).pipe(
+                catchError(() => {
+                  return of(null);
+                })
+              )
+          ]);
        }),
-        switchMap((transactions) => {
+        switchMap(([transactions, utxos]) => {
+          this.utxos = utxos;
+
          this.tempTransactions = transactions;
          if (transactions.length) {
            this.lastTransactionTxId = transactions[transactions.length - 1].txid;
@@ -309,6 +323,7 @@ export class AddressComponent implements OnInit, OnDestroy {
          this.transactions = this.transactions.slice();
          this.mempoolStats.removeTx(transaction);
          this.audioService.playSound('magic');
+          this.confirmTransaction(tx);
        } else {
          if (this.addTransaction(transaction, false)) {
            this.audioService.playSound('magic');
@@ -334,6 +349,31 @@ export class AddressComponent implements OnInit, OnDestroy {
      }
    }

+    // update utxos in-place
+    if (this.utxos != null) {
+      let utxosChanged = false;
+      for (const vin of transaction.vin) {
+        const utxoIndex = this.utxos.findIndex((utxo) => utxo.txid === vin.txid && utxo.vout === vin.vout);
+        if (utxoIndex !== -1) {
+          this.utxos.splice(utxoIndex, 1);
+          utxosChanged = true;
+        }
+      }
+      for (const [index, vout] of transaction.vout.entries()) {
+        if (vout.scriptpubkey_address === this.address.address) {
+          this.utxos.push({
+            txid: transaction.txid,
+            vout: index,
+            value: vout.value,
+            status: JSON.parse(JSON.stringify(transaction.status)),
+          });
+          utxosChanged = true;
+        }
+      }
+      if (utxosChanged) {
+        this.utxos = this.utxos.slice();
+      }
+    }
    return true;
  }

@@ -346,9 +386,65 @@ export class AddressComponent implements OnInit, OnDestroy {
    this.transactions.splice(index, 1);
    this.transactions = this.transactions.slice();

+    // update utxos in-place
+    if (this.utxos != null) {
+      let utxosChanged = false;
+      for (const vin of transaction.vin) {
+        if (vin.prevout?.scriptpubkey_address === this.address.address) {
+          this.utxos.push({
+            txid: vin.txid,
+            vout: vin.vout,
+            value: vin.prevout.value,
+            status: { confirmed: true }, // Assuming the input was confirmed
+          });
+          utxosChanged = true;
+        }
+      }
+      for (const [index, vout] of transaction.vout.entries()) {
+        if (vout.scriptpubkey_address === this.address.address) {
+          const utxoIndex = this.utxos.findIndex((utxo) => utxo.txid === transaction.txid && utxo.vout === index);
+          if (utxoIndex !== -1) {
+            this.utxos.splice(utxoIndex, 1);
+            utxosChanged = true;
+          }
+        }
+      }
+      if (utxosChanged) {
+        this.utxos = this.utxos.slice();
+      }
+    }
+
    return true;
  }

+  confirmTransaction(transaction: Transaction): void {
+    // update utxos in-place
+    if (this.utxos != null) {
+      let utxosChanged = false;
+      for (const vin of transaction.vin) {
+        if (vin.prevout?.scriptpubkey_address === this.address.address) {
+          const utxoIndex = this.utxos.findIndex((utxo) => utxo.txid === vin.txid && utxo.vout === vin.vout);
+          if (utxoIndex !== -1) {
+            this.utxos[utxoIndex].status = JSON.parse(JSON.stringify(transaction.status));
+            utxosChanged = true;
+          }
+        }
+      }
+      for (const [index, vout] of transaction.vout.entries()) {
+        if (vout.scriptpubkey_address === this.address.address) {
+          const utxoIndex = this.utxos.findIndex((utxo) => utxo.txid === transaction.txid && utxo.vout === index);
+          if (utxoIndex !== -1) {
+            this.utxos[utxoIndex].status = JSON.parse(JSON.stringify(transaction.status));
+            utxosChanged = true;
+          }
+        }
+      }
+      if (utxosChanged) {
+        this.utxos = this.utxos.slice();
+      }
+    }
+  }
+
  loadMore(): void {
    if (this.isLoadingTransactions || this.fullyLoaded) {
      return;
--- a/frontend/src/app/components/addresses-treemap/addresses-treemap.component.html
+++ b/frontend/src/app/components/addresses-treemap/addresses-treemap.component.html
@@ -0,0 +1,10 @@
+<div class="addresses-treemap-container">
+  <div *ngIf="addresses" style="height: 300px">
+    <div *browserOnly echarts [initOpts]="chartInitOptions" [options]="chartOptions" (chartInit)="onChartInit($event)">
+    </div>
+  </div>
+
+  <div *ngIf="!stateService.isBrowser || isLoading" class="text-center loading-spinner">
+    <div class="spinner-border text-light"></div>
+  </div>
+</div>
--- a/frontend/src/app/components/addresses-treemap/addresses-treemap.component.scss
+++ b/frontend/src/app/components/addresses-treemap/addresses-treemap.component.scss
@@ -0,0 +1,17 @@
+.node-channels-container {
+  position: relative;
+}
+
+.loading-spinner {
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  width: 100%;
+  z-index: 100;
+}
+
+.spinner-border {
+  position: relative;
+  top: 225px;
+}
--- a/frontend/src/app/components/addresses-treemap/addresses-treemap.component.ts
+++ b/frontend/src/app/components/addresses-treemap/addresses-treemap.component.ts
@@ -0,0 +1,150 @@
+import { ChangeDetectionStrategy, Component, Inject, Input, LOCALE_ID, NgZone, OnChanges } from '@angular/core';
+import { Router } from '@angular/router';
+import { EChartsOption, TreemapSeriesOption } from '@app/graphs/echarts';
+import { lerpColor } from '@app/shared/graphs.utils';
+import { AmountShortenerPipe } from '@app/shared/pipes/amount-shortener.pipe';
+import { LightningApiService } from '@app/lightning/lightning-api.service';
+import { RelativeUrlPipe } from '@app/shared/pipes/relative-url/relative-url.pipe';
+import { StateService } from '@app/services/state.service';
+import { Address } from '@interfaces/electrs.interface';
+import { formatNumber } from '@angular/common';
+
+@Component({
+  selector: 'app-addresses-treemap',
+  templateUrl: './addresses-treemap.component.html',
+  styleUrls: ['./addresses-treemap.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class AddressesTreemap implements OnChanges {
+  @Input() addresses: Address[];
+  @Input() isLoading: boolean = false;
+
+  chartInstance: any;
+  chartOptions: EChartsOption = {};
+  chartInitOptions = {
+    renderer: 'svg',
+  };
+
+  constructor(
+    @Inject(LOCALE_ID) public locale: string,
+    private lightningApiService: LightningApiService,
+    private amountShortenerPipe: AmountShortenerPipe,
+    private zone: NgZone,
+    private router: Router,
+    public stateService: StateService,
+  ) {}
+
+  ngOnChanges(): void {
+    this.prepareChartOptions();
+  }
+
+  prepareChartOptions(): void {
+    const data = this.addresses.map(address => ({
+      address: address.address,
+      value: address.chain_stats.funded_txo_sum - address.chain_stats.spent_txo_sum,
+      stats: address.chain_stats,
+    }));
+    // only consider visible items for the color gradient
+    const totalValue = data.reduce((acc, address) => acc + address.value, 0);
+    const maxTxs = data.filter(address => address.value > (totalValue / 2000)).reduce((max, address) => Math.max(max, address.stats.tx_count), 0);
+    const dataItems = data.map(address => ({
+      ...address,
+      itemStyle: {
+        color: lerpColor('#1E88E5', '#D81B60', address.stats.tx_count / maxTxs),
+      }
+    }));
+    this.chartOptions = {
+      tooltip: {
+        trigger: 'item',
+        textStyle: {
+          align: 'left',
+        }
+      },
+      series: <TreemapSeriesOption[]>[
+        {
+          height: 300,
+          left: 0,
+          right: 0,
+          bottom: 0,
+          top: 0,
+          roam: false,
+          type: 'treemap',
+          data: dataItems,
+          nodeClick: 'link',
+          progressive: 100,
+          tooltip: {
+            show: true,
+            backgroundColor: 'rgba(17, 19, 31, 1)',
+            borderRadius: 4,
+            shadowColor: 'rgba(0, 0, 0, 0.5)',
+            textStyle: {
+              color: '#b1b1b1',
+            },
+            borderColor: '#000',
+            formatter: (value): string => {
+              if (!value.data.address) {
+                return '';
+              }
+              return `
+                <table style="table-layout: fixed;">
+                  <tbody>
+                    <tr>
+                      <td colspan="2"><b style="color: white; margin-left: 2px">${value.data.address}</b></td>
+                    </tr>
+                    <tr>
+                      <td>Received</td>
+                      <td style="text-align: right">${this.formatValue(value.data.stats.funded_txo_sum)}</td>
+                    </tr>
+                    <tr>
+                      <td>Sent</td>
+                      <td style="text-align: right">${this.formatValue(value.data.stats.spent_txo_sum)}</td>
+                    </tr>
+                    <tr>
+                      <td>Balance</td>
+                      <td style="text-align: right">${this.formatValue(value.data.stats.funded_txo_sum - value.data.stats.spent_txo_sum)}</td>
+                    </tr>
+                    <tr>
+                      <td>Transaction count</td>
+                      <td style="text-align: right">${value.data.stats.tx_count}</td>
+                    </tr>
+                  </tbody>
+                </table>
+              `;
+            }
+          },
+          itemStyle: {
+            borderColor: 'black',
+            borderWidth: 1,
+          },
+          breadcrumb: {
+            show: false,
+          }
+        }
+      ]
+    };    
+  }
+
+  formatValue(sats: number): string {
+    if (sats > 100000000) {
+      return formatNumber(sats / 100000000, this.locale, '1.2-2') + ' BTC';
+    } else {
+     return this.amountShortenerPipe.transform(sats, 2) + ' sats';
+    }
+  }
+
+  onChartInit(ec: any): void {
+    this.chartInstance = ec;
+
+    this.chartInstance.on('click', (e) => {
+      //@ts-ignore
+      if (!e.data.address) {
+        return;
+      }
+      this.zone.run(() => {
+        //@ts-ignore
+        const url = new RelativeUrlPipe(this.stateService).transform(`/address/${e.data.address}`);
+        this.router.navigate([url]);
+      });
+    });
+  }
+}
--- a/frontend/src/app/components/amount-selector/amount-selector.component.html
+++ b/frontend/src/app/components/amount-selector/amount-selector.component.html
@@ -1,7 +1,7 @@
 <div [formGroup]="amountForm" class="text-small text-center">
    <select formControlName="mode" class="custom-select custom-select-sm form-control-secondary form-control mx-auto" style="width: 70px;" (change)="changeMode()">
        <option value="btc" i18n="shared.btc|BTC">BTC</option>
-        <option value="sats" i18n="shared.sat|sat">sat</option>
+        <option value="sats" i18n="shared.sats">sats</option>
        <option value="fiat" i18n="shared.fiat|Fiat">Fiat</option>
    </select>
 </div>
--- a/Show More
+++ b/Show More