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    39 repositories

    • base-x

      Public
      Encode/decode any base
      encodingbitcoindecodingalphabetbase58base
      JavaScript
      •
      MIT License
      •78•335•1•2•Updated Nov 15, 2025Nov 15, 2025

    • bs58

      Public
      Base58 encoding/decoding for Bitcoin
      JavaScript
      •
      MIT License
      •53•236•1•0•Updated May 1, 2025May 1, 2025

    • eip55

      Public
      An EIP55 compatible address encoding library
      javascriptencodingethereumaddresseipeip55checkbits
      JavaScript
      •
      MIT License
      •5•8•1•0•Updated Nov 13, 2024Nov 13, 2024

    • secp256k1-node

      Public
      Node.js binding for an Optimized C library for EC operations on curve secp256k1
      JavaScript
      •
      Other
      •130•357•12•4•Updated Nov 7, 2024Nov 7, 2024

    • eckey

      Public
      A JavaScript component for Eliptical curve cryptography for crypto currencies such as Litecoin and Bitcoin
      JavaScript
      •
      MIT License
      •14•18•0•0•Updated Oct 20, 2024Oct 20, 2024

    • keccak

      Public
      Keccak sponge function family
      C
      •
      MIT License
      •23•89•5•1•Updated Sep 3, 2024Sep 3, 2024

    • blake-hash

      Public
      SHA-3 proposal Blake
      C
      •5•12•0•1•Updated Sep 3, 2024Sep 3, 2024

    • coininfo

      Public
      JavaScript component for crypto currency specific information.
      JavaScript
      •112•120•12•4•Updated May 10, 2024May 10, 2024

    • hdkey

      Public
      JavaScript component for Bitcoin hierarchical deterministic keys (BIP32)
      JavaScript
      •
      MIT License
      •72•202•2•4•Updated Feb 22, 2024Feb 22, 2024

    • coinstring

      Public
      DEPRECATED - Create and parse crypto currency addresses and wallet import formats.
      JavaScript
      •
      MIT License
      •15•17•3•0•Updated Nov 8, 2023Nov 8, 2023

    • coinkey

      Public
      JavaScript component for private keys, public keys, and addresess for crypto currencies such as Bitcoin, Litecoin, and Dogecoin
      JavaScript
      •58•151•6•1•Updated Aug 11, 2022Aug 11, 2022

    • cryptocoinjs.com

      Public
      CryptoCoinJS Docs
      HTML
      •7•10•4•1•Updated Jan 2, 2022Jan 2, 2022

    • btc-address

      Public
      JavaScript component to handle Bitcoin addresses.
      JavaScript
      •2•11•0•0•Updated Oct 12, 2021Oct 12, 2021

    • scryptsy

      Public
      Scrypt KDF is used for BIP38 (encryption of private keys) and proof of work for some crypto currencies.
      JavaScript
      •
      MIT License
      •21•47•5•1•Updated Oct 12, 2021Oct 12, 2021

    • cryptocoin

      Public
      JavaScript library for crypto currencies like Bitcoin and Litecoin.
      JavaScript
      •33•145•5•0•Updated Oct 12, 2021Oct 12, 2021

    • sha512

      Public
      DEPRECATED - SHA 512 secure hashing algorithm
      JavaScript
      •
      Other
      •4•9•2•0•Updated Nov 8, 2020Nov 8, 2020

    • ecurve

      Public
      JavaScript component for Eliptic Curve Cryptography
      JavaScript
      •
      MIT License
      •31•59•2•0•Updated Feb 26, 2020Feb 26, 2020

    • p2p-node

      Public
      Manage peer-to-peer communications for cryptocurrency implementations
      JavaScript
      •19•61•1•1•Updated Nov 24, 2018Nov 24, 2018

    • scrypt

      Public
      Scrypt for node and browser
      C
      •
      MIT License
      •4•14•1•0•Updated Sep 7, 2018Sep 7, 2018

    • bigi

      Public
      JavaScript Big Integer library based upon Tom Wu's work.
      javascriptbignum
      JavaScript
      •
      Other
      •11•50•3•0•Updated Jun 21, 2018Jun 21, 2018

    • binstring

      Public
      DEPRECATED - Convert binary data to and from various string/integer representations
      JavaScript
      •2•11•1•0•Updated Apr 29, 2017Apr 29, 2017

    • sha256

      Public
      DEPRECATED - JavaScript component to compute the SHA256 of strings or bytes.
      JavaScript
      •25•47•4•0•Updated Jan 22, 2017Jan 22, 2017

    • aes

      Public
      A JavaScript component for the Advanced Encryption Standard (AES). Important for BIP38
      JavaScript
      •11•22•0•0•Updated Jan 4, 2017Jan 4, 2017

    • btc-blockchain

      Public
      Bitcoin blockchain management
      JavaScript
      •1•9•0•1•Updated Aug 9, 2016Aug 9, 2016

    • btc-scriptinterpreter

      Public
      JavaScript
      •
      MIT License
      •2•6•0•0•Updated Jul 28, 2016Jul 28, 2016

    • ecdsa

      Public
      DEPRECATED - JavaScript component to Eliptical Curve Cryptography signing and verify.
      JavaScript
      •13•36•3•0•Updated Apr 14, 2016Apr 14, 2016

    • crypto-hashing

      Public
      JavaScript hashing libraries wrapped up into one module. Compatible with Node and the browser.
      JavaScript
      •
      MIT License
      •6•11•0•0•Updated Mar 30, 2016Mar 30, 2016

    • pbkdf2-sha256

      Public
      DEPRECATED - Key derivation function primarily used for Scrypt
      JavaScript
      •
      Other
      •14•23•0•0•Updated Feb 20, 2016Feb 20, 2016

    • awesome-cryptocoinjs

      Public
      Useful crypto coins JavaScript libraries
      bitcoincryptocurrency
      5•62•0•0•Updated Feb 17, 2016Feb 17, 2016

    • drbg.js

      Public
      Deterministic Random Bit Generators from NIST SP 800-90A
      JavaScript
      •
      Other
      •2•8•2•0•Updated Feb 17, 2016Feb 17, 2016