Repositories list

• bip39

  Public
  JavaScript implementation of Bitcoin BIP39: Mnemonic code for generating deterministic keys

  javascriptbitcoinmnemonic+ 3bip39bitcoinjsbip

  JavaScript

  •

  ISC License

  •455•1.2k•8•4•Updated Nov 18, 2025Nov 18, 2025

• bip38

  Public
  BIP38 is a standard process to encrypt Bitcoin and crypto currency private keys that is less susceptible to brute force attacks thus protecting the user.

  javascriptencryptionbitcoin+ 3scryptbitcoinjsbip38

  JavaScript

  •

  MIT License

  •102•213•0•14•Updated Nov 18, 2025Nov 18, 2025

• bip32

  Public
  A BIP32 compatible library.

  bitcoinecdsabip32+ 2bitcoinjsbitcoinjs-lib

  JavaScript

  •

  MIT License

  •129•197•4•2•Updated Nov 18, 2025Nov 18, 2025

• merkle-lib

  Public
  A performance conscious library for merkle root and tree calculations.

  bitcoinmerklehash+ 3digestmerkle-treemerkle-root

  JavaScript

  •

  MIT License

  •14•32•1•7•Updated Nov 18, 2025Nov 18, 2025

• bech32

  Public
  Bech32 encoding / decoding

  encodingbitcoinbase32+ 2decodingbech32

  TypeScript

  •

  MIT License

  •47•116•1•5•Updated Nov 18, 2025Nov 18, 2025

• bip66

  Public
  Strict DER signatures

  bitcoinbip66

  JavaScript

  •

  MIT License

  •7•14•0•1•Updated Nov 15, 2025Nov 15, 2025

• bip44-constants

  Public
  This package provides BIP44 coin constants as found here: https://github.com/satoshilabs/slips/blob/master/slip-0044.md

  bitcoinbip44

  JavaScript

  •

  MIT License

  •63•91•0•0•Updated Nov 12, 2025Nov 12, 2025

• bitcoinjs-lib

  Public
  A javascript Bitcoin library for node.js and browsers.

  nodejsjavascriptbrowserify+ 3bitcoinbitcoinjsbitcoinjs-lib

  JavaScript

  •

  MIT License

  •2.2k•5.9k•33•12•Updated Oct 14, 2025Oct 14, 2025

• bip174

  Public
  A BIP174 compatible partial Transaction encoding library.

  javascriptnodebitcoin+ 5formattransactionpartialbip174partially

  JavaScript

  •

  MIT License

  •38•36•3•3•Updated Oct 2, 2025Oct 2, 2025

• tiny-secp256k1

  Public
  A tiny secp256k1 native/JS wrapper

  rustnodewasm+ 2secp256k1rust-crate

  JavaScript

  •

  MIT License

  •58•106•5•5•Updated Sep 11, 2025Sep 11, 2025

• coinselect

  Public
  An unspent transaction output (UTXO) selection module for bitcoin.

  bitcoinchangeselection+ 4walletcoinutxosunspents

  JavaScript

  •

  MIT License

  •115•197•17•9•Updated Aug 6, 2025Aug 6, 2025

• wif

  Public
  Bitcoin Wallet Import Format JS encoding/decoding module

  bitcoin

  JavaScript

  •

  MIT License

  •40•84•0•0•Updated May 1, 2025May 1, 2025

• bs58check

  Public
  A straight forward implementation of base58check extending upon bs58.

  bitcoinchecksumbase58+ 4sha256bitcoinjsbase58checkbase58-check

  JavaScript

  •

  MIT License

  •52•101•2•0•Updated May 1, 2025May 1, 2025

• ecpair

  Public
  The ECPair module for bitcoinjs-lib

  JavaScript

  •

  MIT License

  •31•23•4•0•Updated Mar 7, 2025Mar 7, 2025

• bolt11

  Public
  A library for encoding and decoding lightning network payment requests as defined in BOLT #11.

  lightningbitcoinnetwork+ 5paymentrequestinvoicebech32bolt11

  JavaScript

  •

  MIT License

  •74•103•2•9•Updated Oct 29, 2024Oct 29, 2024

• varuint-bitcoin

  Public
  encode/decode number as bitcoin variable length integer https://en.bitcoin.it/wiki/Protocol_documentation#Variable_length_integer

  bitcoin

  JavaScript

  •

  Other

  •6•7•0•0•Updated Aug 29, 2024Aug 29, 2024

• uint8array-tools

  Public
  A set of tools for Uint8Array to aide in the move from Buffers.

  JavaScript

  •

  MIT License

  •3•1•1•2•Updated Aug 29, 2024Aug 29, 2024

• bip21

  Public
  A BIP21 compatible URL encoding utility library

  javascriptbitcoinbip21

  JavaScript

  •

  MIT License

  •43•56•0•0•Updated Jul 20, 2024Jul 20, 2024

• summer-of-bitcoin-2024

  Public archive
  A place for proposal submissions.

  Creative Commons Zero v1.0 Universal

  •0•0•0•0•Updated Apr 26, 2024Apr 26, 2024

• regtest-server

  Public
  A regtest server for bitcoinjs-lib testing

  bitcoinregtestbitcoinjs+ 1indexd

  JavaScript

  •

  BSD 3-Clause "New" or "Revised" License

  •24•28•2•1•Updated Mar 29, 2024Mar 29, 2024

• bitcoinjs-message

  Public
  JavaScript

  •

  MIT License

  •82•135•3•1•Updated Feb 9, 2024Feb 9, 2024

• regtest-client

  Public
  A client library based off of the integration tests of bitcoinjs-lib. This requires a server component.

  JavaScript

  •

  MIT License

  •10•19•0•0•Updated Aug 28, 2023Aug 28, 2023

• payjoin-client

  Public
  A Payjoin Client Library in JS with TypeScript types

  TypeScript

  •

  MIT License

  •6•14•0•1•Updated Dec 10, 2022Dec 10, 2022

• bitcoin-ops

  Public
  bitcoin OP codes

  bitcoin

  JavaScript

  •

  MIT License

  •36•13•0•1•Updated Mar 17, 2022Mar 17, 2022

• bip32-utils

  Public
  A small set of utilities for use with BIP32 HD key nodes

  javascriptbitcoinbip32

  JavaScript

  •

  MIT License

  •51•75•1•0•Updated Feb 28, 2022Feb 28, 2022

• aezeed

  Public
  A package for encoding, decoding, and generating mnemonics of the aezeed specification. (WIP)

  TypeScript

  •

  MIT License

  •2•14•1•0•Updated Jan 25, 2022Jan 25, 2022

• bitcoinjs.org

  Public
  HTML

  •9•20•0•0•Updated Apr 16, 2021Apr 16, 2021

• indexd

  Public
  An external bitcoind index management service module

  databasebitcoinleveldb+ 3address-indexindexbitcoinjs

  JavaScript

  •

  ISC License

  •24•53•5•0•Updated Mar 5, 2021Mar 5, 2021

• electrum-mnemonic

  Public
  Electrum Mnemonics (electrum v2 and greater)

  TypeScript

  •

  MIT License

  •7•16•0•0•Updated May 4, 2020May 4, 2020

• fast-dat-parser

  Public
  Superfast blockchain parser for stats

  streamcplusplusbitcoin+ 3high-performanceblockchainfast-dat-parser

  C++

  •

  MIT License

  •25•75•3•1•Updated Mar 5, 2020Mar 5, 2020