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Open source Bitcoin API, exchange, and game platform.
Bitcoin transaction and fee monitors, RPC with the blockchain node, other networking code.
Bull Bitcoin API TypeScript SDK
Bull Bitcoin API React SDK
bitcoin-api-light is a bitcoin light-client nodejs module using Blockchain.info and Blockcyphers API to do three simple calls a minimal bitcoin wallet application needs to work
Bech32 encoding / decoding
bitcoin OP codes
Multicoin address validator for Bitcoin and other Altcoins.
Validate any Bitcoin address - P2WSH, P2WPKH, P2SH, P2PKH - Mainnet & Testnet
A pure and powerful JavaScript Bitcoin library.
encode/decode value as bitcoin OP_PUSHDATA integer
ultra-lightweight library for Bitcoin Cash, Bitcoin, and Bitauth
TypeScript library for Bitcoin apps.
A complete TypeScript library for connecting to and making transactions on different blockchains
Bitcoin Cash general purpose address translation.
Wallet address validator for Bitcoin and other Altcoins.
Bitcoin Cash cashaddr address format support for Node.js and web browsers.
encode/decode number as bitcoin variable length integer
[](https://github.com/bitcoinjs/bip174/actions/workflows/main_ci.yml) [](https://www.npmjs.org/package/bip174)
A tiny secp256k1 JS