diff --git a/package-lock.json b/package-lock.json
index 79e9f97a..eb3f6615 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17,6 +17,7 @@
         "@hyperswarm/secret-stream": "^6.6.3",
         "@mapeo/crypto": "1.0.0-alpha.10",
         "@mapeo/sqlite-indexer": "1.0.0-alpha.9",
+        "@node-rs/crc32": "^1.10.6",
         "@sinclair/typebox": "^0.33.17",
         "@sindresorhus/merge-streams": "^4.0.0",
         "b4a": "^1.6.3",
@@ -486,6 +487,34 @@
         "superjson": "^2.2.1"
       }
     },
+    "node_modules/@emnapi/core": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/@emnapi/core/-/core-1.3.1.tgz",
+      "integrity": "sha512-pVGjBIt1Y6gg3EJN8jTcfpP/+uuRksIo055oE/OBkDNcjZqVbfkWCksG1Jp4yZnj3iKWyWX8fdG/j6UDYPbFog==",
+      "optional": true,
+      "dependencies": {
+        "@emnapi/wasi-threads": "1.0.1",
+        "tslib": "^2.4.0"
+      }
+    },
+    "node_modules/@emnapi/runtime": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/@emnapi/runtime/-/runtime-1.3.1.tgz",
+      "integrity": "sha512-kEBmG8KyqtxJZv+ygbEim+KCGtIq1fC22Ms3S4ziXmYKm8uyoLX0MHONVKwp+9opg390VaKRNt4a7A9NwmpNhw==",
+      "optional": true,
+      "dependencies": {
+        "tslib": "^2.4.0"
+      }
+    },
+    "node_modules/@emnapi/wasi-threads": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/@emnapi/wasi-threads/-/wasi-threads-1.0.1.tgz",
+      "integrity": "sha512-iIBu7mwkq4UQGeMEM8bLwNK962nXdhodeScX4slfQnRhEMMzvYivHhutCIk8uojvmASXXPC2WNEjwxFWk72Oqw==",
+      "optional": true,
+      "dependencies": {
+        "tslib": "^2.4.0"
+      }
+    },
     "node_modules/@esbuild-kit/core-utils": {
       "version": "3.1.0",
       "dev": true,
@@ -1022,10 +1051,21 @@
         "node": ">= 10"
       }
     },
+    "node_modules/@napi-rs/wasm-runtime": {
+      "version": "0.2.6",
+      "resolved": "https://registry.npmjs.org/@napi-rs/wasm-runtime/-/wasm-runtime-0.2.6.tgz",
+      "integrity": "sha512-z8YVS3XszxFTO73iwvFDNpQIzdMmSDTP/mB3E/ucR37V3Sx57hSExcXyMoNwaucWxnsWf4xfbZv0iZ30jr0M4Q==",
+      "optional": true,
+      "dependencies": {
+        "@emnapi/core": "^1.3.1",
+        "@emnapi/runtime": "^1.3.1",
+        "@tybys/wasm-util": "^0.9.0"
+      }
+    },
     "node_modules/@node-rs/crc32": {
-      "version": "1.10.3",
-      "resolved": "https://registry.npmjs.org/@node-rs/crc32/-/crc32-1.10.3.tgz",
-      "integrity": "sha512-4UgH0fDRxs0eMSgrUN0UUM4BpIEbVKutiSkFLICwegbgIger3c1t7V3jOYralK0xTBHraW3r59wlESdc3h/nQg==",
+      "version": "1.10.6",
+      "resolved": "https://registry.npmjs.org/@node-rs/crc32/-/crc32-1.10.6.tgz",
+      "integrity": "sha512-+llXfqt+UzgoDzT9of5vPQPGqTAVCohU74I9zIBkNo5TH6s2P31DFJOGsJQKN207f0GHnYv5pV3wh3BCY/un/A==",
       "engines": {
         "node": ">= 10"
       },
@@ -1034,26 +1074,146 @@
         "url": "https://github.com/sponsors/Brooooooklyn"
       },
       "optionalDependencies": {
-        "@node-rs/crc32-android-arm-eabi": "1.10.3",
-        "@node-rs/crc32-android-arm64": "1.10.3",
-        "@node-rs/crc32-darwin-arm64": "1.10.3",
-        "@node-rs/crc32-darwin-x64": "1.10.3",
-        "@node-rs/crc32-freebsd-x64": "1.10.3",
-        "@node-rs/crc32-linux-arm-gnueabihf": "1.10.3",
-        "@node-rs/crc32-linux-arm64-gnu": "1.10.3",
-        "@node-rs/crc32-linux-arm64-musl": "1.10.3",
-        "@node-rs/crc32-linux-x64-gnu": "1.10.3",
-        "@node-rs/crc32-linux-x64-musl": "1.10.3",
-        "@node-rs/crc32-wasm32-wasi": "1.10.3",
-        "@node-rs/crc32-win32-arm64-msvc": "1.10.3",
-        "@node-rs/crc32-win32-ia32-msvc": "1.10.3",
-        "@node-rs/crc32-win32-x64-msvc": "1.10.3"
+        "@node-rs/crc32-android-arm-eabi": "1.10.6",
+        "@node-rs/crc32-android-arm64": "1.10.6",
+        "@node-rs/crc32-darwin-arm64": "1.10.6",
+        "@node-rs/crc32-darwin-x64": "1.10.6",
+        "@node-rs/crc32-freebsd-x64": "1.10.6",
+        "@node-rs/crc32-linux-arm-gnueabihf": "1.10.6",
+        "@node-rs/crc32-linux-arm64-gnu": "1.10.6",
+        "@node-rs/crc32-linux-arm64-musl": "1.10.6",
+        "@node-rs/crc32-linux-x64-gnu": "1.10.6",
+        "@node-rs/crc32-linux-x64-musl": "1.10.6",
+        "@node-rs/crc32-wasm32-wasi": "1.10.6",
+        "@node-rs/crc32-win32-arm64-msvc": "1.10.6",
+        "@node-rs/crc32-win32-ia32-msvc": "1.10.6",
+        "@node-rs/crc32-win32-x64-msvc": "1.10.6"
+      }
+    },
+    "node_modules/@node-rs/crc32-android-arm-eabi": {
+      "version": "1.10.6",
+      "resolved": "https://registry.npmjs.org/@node-rs/crc32-android-arm-eabi/-/crc32-android-arm-eabi-1.10.6.tgz",
+      "integrity": "sha512-vZAMuJXm3TpWPOkkhxdrofWDv+Q+I2oO7ucLRbXyAPmXFNDhHtBxbO1rk9Qzz+M3eep8ieS4/+jCL1Q0zacNMQ==",
+      "cpu": [
+        "arm"
+      ],
+      "optional": true,
+      "os": [
+        "android"
+      ],
+      "engines": {
+        "node": ">= 10"
+      }
+    },
+    "node_modules/@node-rs/crc32-android-arm64": {
+      "version": "1.10.6",
+      "resolved": "https://registry.npmjs.org/@node-rs/crc32-android-arm64/-/crc32-android-arm64-1.10.6.tgz",
+      "integrity": "sha512-Vl/JbjCinCw/H9gEpZveWCMjxjcEChDcDBM8S4hKay5yyoRCUHJPuKr4sjVDBeOm+1nwU3oOm6Ca8dyblwp4/w==",
+      "cpu": [
+        "arm64"
+      ],
+      "optional": true,
+      "os": [
+        "android"
+      ],
+      "engines": {
+        "node": ">= 10"
+      }
+    },
+    "node_modules/@node-rs/crc32-darwin-arm64": {
+      "version": "1.10.6",
+      "resolved": "https://registry.npmjs.org/@node-rs/crc32-darwin-arm64/-/crc32-darwin-arm64-1.10.6.tgz",
+      "integrity": "sha512-kARYANp5GnmsQiViA5Qu74weYQ3phOHSYQf0G+U5wB3NB5JmBHnZcOc46Ig21tTypWtdv7u63TaltJQE41noyg==",
+      "cpu": [
+        "arm64"
+      ],
+      "optional": true,
+      "os": [
+        "darwin"
+      ],
+      "engines": {
+        "node": ">= 10"
+      }
+    },
+    "node_modules/@node-rs/crc32-darwin-x64": {
+      "version": "1.10.6",
+      "resolved": "https://registry.npmjs.org/@node-rs/crc32-darwin-x64/-/crc32-darwin-x64-1.10.6.tgz",
+      "integrity": "sha512-Q99bevJVMfLTISpkpKBlXgtPUItrvTWKFyiqoKH5IvscZmLV++NH4V13Pa17GTBmv9n18OwzgQY4/SRq6PQNVA==",
+      "cpu": [
+        "x64"
+      ],
+      "optional": true,
+      "os": [
+        "darwin"
+      ],
+      "engines": {
+        "node": ">= 10"
+      }
+    },
+    "node_modules/@node-rs/crc32-freebsd-x64": {
+      "version": "1.10.6",
+      "resolved": "https://registry.npmjs.org/@node-rs/crc32-freebsd-x64/-/crc32-freebsd-x64-1.10.6.tgz",
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+      "cpu": [
+        "x64"
+      ],
+      "optional": true,
+      "os": [
+        "freebsd"
+      ],
+      "engines": {
+        "node": ">= 10"
+      }
+    },
+    "node_modules/@node-rs/crc32-linux-arm-gnueabihf": {
+      "version": "1.10.6",
+      "resolved": "https://registry.npmjs.org/@node-rs/crc32-linux-arm-gnueabihf/-/crc32-linux-arm-gnueabihf-1.10.6.tgz",
+      "integrity": "sha512-E8Z0WChH7X6ankbVm8J/Yym19Cq3otx6l4NFPS6JW/cWdjv7iw+Sps2huSug+TBprjbcEA+s4TvEwfDI1KScjg==",
+      "cpu": [
+        "arm"
+      ],
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "engines": {
+        "node": ">= 10"
+      }
+    },
+    "node_modules/@node-rs/crc32-linux-arm64-gnu": {
+      "version": "1.10.6",
+      "resolved": "https://registry.npmjs.org/@node-rs/crc32-linux-arm64-gnu/-/crc32-linux-arm64-gnu-1.10.6.tgz",
+      "integrity": "sha512-LmWcfDbqAvypX0bQjQVPmQGazh4dLiVklkgHxpV4P0TcQ1DT86H/SWpMBMs/ncF8DGuCQ05cNyMv1iddUDugoQ==",
+      "cpu": [
+        "arm64"
+      ],
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "engines": {
+        "node": ">= 10"
+      }
+    },
+    "node_modules/@node-rs/crc32-linux-arm64-musl": {
+      "version": "1.10.6",
+      "resolved": "https://registry.npmjs.org/@node-rs/crc32-linux-arm64-musl/-/crc32-linux-arm64-musl-1.10.6.tgz",
+      "integrity": "sha512-k8ra/bmg0hwRrIEE8JL1p32WfaN9gDlUUpQRWsbxd1WhjqvXea7kKO6K4DwVxyxlPhBS9Gkb5Urq7Y4mXANzaw==",
+      "cpu": [
+        "arm64"
+      ],
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "engines": {
+        "node": ">= 10"
       }
     },
     "node_modules/@node-rs/crc32-linux-x64-gnu": {
-      "version": "1.10.3",
-      "resolved": "https://registry.npmjs.org/@node-rs/crc32-linux-x64-gnu/-/crc32-linux-x64-gnu-1.10.3.tgz",
-      "integrity": "sha512-0zIX68FIeqpRMRNvmB5AgONnLMm628+8mV9UDuCRmGppME8WGnY+Dirx+TPUeTJ4f27+in+6CU4u6LJDi9cXmQ==",
+      "version": "1.10.6",
+      "resolved": "https://registry.npmjs.org/@node-rs/crc32-linux-x64-gnu/-/crc32-linux-x64-gnu-1.10.6.tgz",
+      "integrity": "sha512-IfjtqcuFK7JrSZ9mlAFhb83xgium30PguvRjIMI45C3FJwu18bnLk1oR619IYb/zetQT82MObgmqfKOtgemEKw==",
       "cpu": [
         "x64"
       ],
@@ -1066,9 +1226,9 @@
       }
     },
     "node_modules/@node-rs/crc32-linux-x64-musl": {
-      "version": "1.10.3",
-      "resolved": "https://registry.npmjs.org/@node-rs/crc32-linux-x64-musl/-/crc32-linux-x64-musl-1.10.3.tgz",
-      "integrity": "sha512-dKKt0FEm8JDp2MvIu1J7vg8Dc5D5upNO6LAuvfShq9Hy8hYNQWy6f+AF8mSm/c5wWnjn+pv7I1+jvrZIe6wMig==",
+      "version": "1.10.6",
+      "resolved": "https://registry.npmjs.org/@node-rs/crc32-linux-x64-musl/-/crc32-linux-x64-musl-1.10.6.tgz",
+      "integrity": "sha512-LbFYsA5M9pNunOweSt6uhxenYQF94v3bHDAQRPTQ3rnjn+mK6IC7YTAYoBjvoJP8lVzcvk9hRj8wp4Jyh6Y80g==",
       "cpu": [
         "x64"
       ],
@@ -1080,6 +1240,66 @@
         "node": ">= 10"
       }
     },
+    "node_modules/@node-rs/crc32-wasm32-wasi": {
+      "version": "1.10.6",
+      "resolved": "https://registry.npmjs.org/@node-rs/crc32-wasm32-wasi/-/crc32-wasm32-wasi-1.10.6.tgz",
+      "integrity": "sha512-KaejdLgHMPsRaxnM+OG9L9XdWL2TabNx80HLdsCOoX9BVhEkfh39OeahBo8lBmidylKbLGMQoGfIKDjq0YMStw==",
+      "cpu": [
+        "wasm32"
+      ],
+      "optional": true,
+      "dependencies": {
+        "@napi-rs/wasm-runtime": "^0.2.5"
+      },
+      "engines": {
+        "node": ">=14.0.0"
+      }
+    },
+    "node_modules/@node-rs/crc32-win32-arm64-msvc": {
+      "version": "1.10.6",
+      "resolved": "https://registry.npmjs.org/@node-rs/crc32-win32-arm64-msvc/-/crc32-win32-arm64-msvc-1.10.6.tgz",
+      "integrity": "sha512-x50AXiSxn5Ccn+dCjLf1T7ZpdBiV1Sp5aC+H2ijhJO4alwznvXgWbopPRVhbp2nj0i+Gb6kkDUEyU+508KAdGQ==",
+      "cpu": [
+        "arm64"
+      ],
+      "optional": true,
+      "os": [
+        "win32"
+      ],
+      "engines": {
+        "node": ">= 10"
+      }
+    },
+    "node_modules/@node-rs/crc32-win32-ia32-msvc": {
+      "version": "1.10.6",
+      "resolved": "https://registry.npmjs.org/@node-rs/crc32-win32-ia32-msvc/-/crc32-win32-ia32-msvc-1.10.6.tgz",
+      "integrity": "sha512-DpDxQLaErJF9l36aghe1Mx+cOnYLKYo6qVPqPL9ukJ5rAGLtCdU0C+Zoi3gs9ySm8zmbFgazq/LvmsZYU42aBw==",
+      "cpu": [
+        "ia32"
+      ],
+      "optional": true,
+      "os": [
+        "win32"
+      ],
+      "engines": {
+        "node": ">= 10"
+      }
+    },
+    "node_modules/@node-rs/crc32-win32-x64-msvc": {
+      "version": "1.10.6",
+      "resolved": "https://registry.npmjs.org/@node-rs/crc32-win32-x64-msvc/-/crc32-win32-x64-msvc-1.10.6.tgz",
+      "integrity": "sha512-5B1vXosIIBw1m2Rcnw62IIfH7W9s9f7H7Ma0rRuhT8HR4Xh8QCgw6NJSI2S2MCngsGktYnAhyUvs81b7efTyQw==",
+      "cpu": [
+        "x64"
+      ],
+      "optional": true,
+      "os": [
+        "win32"
+      ],
+      "engines": {
+        "node": ">= 10"
+      }
+    },
     "node_modules/@nodelib/fs.scandir": {
       "version": "2.1.5",
       "dev": true,
@@ -1301,6 +1521,15 @@
         "url": "https://opencollective.com/turf"
       }
     },
+    "node_modules/@tybys/wasm-util": {
+      "version": "0.9.0",
+      "resolved": "https://registry.npmjs.org/@tybys/wasm-util/-/wasm-util-0.9.0.tgz",
+      "integrity": "sha512-6+7nlbMVX/PVDCwaIQ8nTOPveOcFLSt8GcXdx8hD0bt39uWxYT88uXzqTd4fTvqta7oeUJqudepapKNt2DYJFw==",
+      "optional": true,
+      "dependencies": {
+        "tslib": "^2.4.0"
+      }
+    },
     "node_modules/@types/b4a": {
       "version": "1.6.0",
       "license": "MIT",
diff --git a/package.json b/package.json
index 7a213860..e46c332b 100644
--- a/package.json
+++ b/package.json
@@ -166,6 +166,7 @@
     "@hyperswarm/secret-stream": "^6.6.3",
     "@mapeo/crypto": "1.0.0-alpha.10",
     "@mapeo/sqlite-indexer": "1.0.0-alpha.9",
+    "@node-rs/crc32": "^1.10.6",
     "@sinclair/typebox": "^0.33.17",
     "@sindresorhus/merge-streams": "^4.0.0",
     "b4a": "^1.6.3",