[](https://github.com/bitcoinjs/bip174/actions/workflows/main_ci.yml) [](https://www.npmjs.org/package/bip174)

Fork of bip174 with BitGo specific changes
encode/decode number as bitcoin variable length integer
bitcoin OP codes
Bech32 encoding / decoding
encode/decode value as bitcoin OP_PUSHDATA integer
Validate any Bitcoin address - P2WSH, P2WPKH, P2SH, P2PKH - Mainnet & Testnet
A Bitcoin wallet Snap.
@ok/coin-bitcoin is a Bitcoin SDK for building Web3 wallets and applications. It supports BTC, BSV, DOGE, LTC, and TBTC, enabling private key management, transaction signing, address generation, and inscriptions like BRC-20, Runes, CAT, and Atomicals.
Bitcoin Cash general purpose address translation.
A pure and powerful JavaScript Bitcoin library.
Bitcoin BIP39: Mnemonic code for generating deterministic keys
A basic library for working with Tapscript, signatures and Bitcoin transactions.
TypeScript library for Bitcoin apps.
Bitcoin Cash cashaddr address format support for Node.js and web browsers.
A tiny secp256k1 JS
Bitcoin Relay
An interface over BIP-32 and BIP-39 key derivation paths
Bitcoin Miniscript, a high-level language for describing Bitcoin spending conditions. It includes a compiler/analyzer with a signer‑agnostic satisfier that derives symbolic witnesses (e.g., <sig(key)>).
[](https://travis-ci.org/bitcoinjs/bip174) [](https://www.npmjs.org/package/bip174)
Reactive primitives for Bitcoin apps.
Multicoin address validator for Bitcoin and other Altcoins.
Spark SDK
A CLI tool and Rust library for Bitcoin cryptography operations including SHA256, RIPEMD160, HASH160, secp256k1 key generation, and address derivation
General purpose library for using and interoperating with Bitcoin and Dogecoin.
Bitcoin vault implementation with CTV covenants and CSFS delegation for enhanced custody security
BitAuth is a way to do secure, passwordless authentication proposed by Bitpay using the same elliptic-curve cryptography as Bitcoin
Money gem's Bank implementation to Cryptocompare API to do cryptocurrency exchange, like converting Bitcoin to Ethereum.
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