JSPM

Client-side Bitcoin JavaScript library

A simple standard interface for a series of bitcoin private keys.

A pure and powerful JavaScript Bitcoin SV (BSV) library.

Client-side Bitcoin JavaScript library ECPair

Convert Taproot private keys to public keys

A JavaScript vanity address generator

Elliptic curve cryptography with SM2 support based on ecurve-v1.0.6

Canonicalize secp256k1 private keys to ensure public keys always start with 02

An event notifier for crypto currencies, supports btc-like coins and eth coins

High performance Stratum poolserver in Node.js

A JavaScript SDK for the Bitsidy API service.

wccore-lib fork BitPay

ONZ Vanity Generator

A wrapper for the Zebpay REST and WebSocket APIs.

A react-native BIP32 compatible library

NodeJs Client Form bitcoin.co.id

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A BIP32 compatible library for Bitcoin II

Compilation of node-passworder and bitcoin-seed for anonymous uses.

### Javascript

比特币交易网Node.js API

Assemble and disassemble binary messages used in cryptocoin applications

Lightning Network module for React Native with Neutrino and full LND node

Mapping of email hashes to wallet (bitcoin, paypal, etc) addresses

A series of helper methods for interacting with the electrum-client library.

A mock Bitcoin wallet API

The Coinbase API for Node.js

An extend lib for bitcoinjs-lib, it supports two new network of vipstarcoin and vipstarcoin-testnet, and it can generate contract creating and sending transactions

A platform to build ION and blockchain-based applications.

node.js wrapper for advcash cryptocurrency exchange

Strict DER signature encoding/decoding.

Embed apps within Sphinx

A pure and powerful JavaScript Sirius library.

Sensible Contract NFT Sell Javascript SDK

Node Bittrex API - asynchronous node.js library for the Bittrex API https://bittrex.com/

A TypeScript wrapper on top of Binance API

Simple blockchain implementation in NodeJS/JavaScript

Multi chain wallet: Supports Creation of Wallet on Different chains, Fetch Balance and send Tokens

TypeScript library for building blockchain connectors on nakji network.

An extend lib for bitcoinjs-lib, it supports two new network of qtum and qtum-testnet, and it can generate contract creating and sending transactions

ioP Messages for iopcore

Encode Bitcoin transactions and data in a concise and efficient binary serialisation format.

ION bike-shed

Unofficial AsterDEX API client for Node.js - Futures trading with TypeScript support

Official JavaScript/TypeScript SDK for InventPay Payment API

Chroma Wallet JSON-RPC Client API

MCP server for interacting with Bitcoin Stamps and SRC-20 token data via Stampchain API for MCP-compatible clients

A collection of Bitcoin SV (BSV) tools for the Model Context Protocol (MCP) framework

Official MezoPay Merchant SDK for accepting MUSD payments on your website

React SDK for BitBNPL - Bitcoin-backed Buy Now Pay Later

MCP server wrapper for ORBT Financial Intelligence API