A tiny secp256k1 JS
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
Bech32 encoding / decoding
bitcoin OP codes
A Bitcoin wallet Snap.
Validate any Bitcoin address - P2WSH, P2WPKH, P2SH, P2PKH - Mainnet & Testnet
encode/decode value as bitcoin OP_PUSHDATA integer
Fork of bip174 with BitGo specific changes
Bitcoin Cash general purpose address translation.
TypeScript library for Bitcoin apps.
Bitcoin Cash cashaddr address format support for Node.js and web browsers.
A pure and powerful JavaScript Bitcoin library.
Use react-devtools outside of the browser
An interface over BIP-32 and BIP-39 key derivation paths
LI.FI SDK for Any-to-Any Cross-Chain-Swap
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)>).
Reactive primitives for Bitcoin apps.
A function that extends `createParamDecorator` function of `nestjs` by receiving an object of injections that will be provided to the handler function of the decorator.

Official client SDK for OpenTimestamps calendars with resilience patterns
Spark SDK
Multicoin address validator for Bitcoin and other Altcoins.
A binary tree of one-time singatures known as a merkle tree. Often used in distributed systems such as Git, Cassandra or Bitcoin for efficiently summarizing sets of data.
Provides a Ruby library to the complete Bitcoin JSON-RPC API. Implements all methods listed at https://en.bitcoin.it/wiki/Original_Bitcoin_client/API_Calls_list and lets you set options such as the host and port number, and whether to use SSL.
Provides a Ruby library to the complete Bitcoin JSON-RPC API. Implements all methods listed at https://en.bitcoin.it/wiki/Original_Bitcoin_client/API_Calls_list and lets you set options such as the host and port number, and whether to use SSL.