claude-dev-suite bcoin
Bitcoin full-node implementation in JavaScript. Built by Bcoin Foundation (originally Purse / Bcrypt team).
Repo: github.com/bcoin-org/bcoin.
Components
- Full node.
- SPV mode.
- HTTP API (REST + RPC).
- WebSocket subscriptions.
- HD wallet.
- Wallet API.
Install
npm install bcoin
Quick example
const bcoin = require("bcoin").set("main");
const node = new bcoin.FullNode({ memory: false, db: "leveldb" });
await node.open();
// Watch new blocks
node.chain.on("connect", (entry, block) => {
console.log("New block:", entry.height, entry.hash.toString("hex"));
});
Compared to bitcoind
| Aspect | bitcoind (Core) | bcoin |
|---|---|---|
| Language | C++ | JavaScript |
| Compatibility | Full | Most consensus rules |
| Mempool policy | Reference | Different defaults |
| Performance | Best | Acceptable |
| Adoption | Universal | Niche |
| Soft fork support | Always immediate | Lags Core |
Use cases
- Embedded full node in JS app (Electron desktop wallets).
- SPV-light JS apps.
- Educational — read JS code easier than C++.
Status
Maintained but not as actively as Bitcoin Core. For production nodes, prefer bitcoind.