# bip32 [![Build Status](https://travis-ci.org/bitcoinjs/bip32.png?branch=master)](https://travis-ci.org/bitcoinjs/bip32) [![NPM](https://img.shields.io/npm/v/bip32.svg)](https://www.npmjs.org/package/bip32) [![code style: prettier](https://img.shields.io/badge/code_style-prettier-ff69b4.svg?style=flat-square)](https://github.com/prettier/prettier) A [BIP32](https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki) compatible library written in TypeScript with transpiled JavaScript committed to git. ## Example TypeScript ``` typescript import * as bip32 from 'bip32'; import { BIP32Interface } from 'bip32'; let node: BIP32Interface = bip32.fromBase58('xprv9s21ZrQH143K3QTDL4LXw2F7HEK3wJUD2nW2nRk4stbPy6cq3jPPqjiChkVvvNKmPGJxWUtg6LnF5kejMRNNU3TGtRBeJgk33yuGBxrMPHi'); let child: BIP32Interface = node.derivePath('m/0/0'); // ... ``` NodeJS ``` javascript let bip32 = require('bip32') let node = bip32.fromBase58('xprv9s21ZrQH143K3QTDL4LXw2F7HEK3wJUD2nW2nRk4stbPy6cq3jPPqjiChkVvvNKmPGJxWUtg6LnF5kejMRNNU3TGtRBeJgk33yuGBxrMPHi') let child = node.derivePath('m/0/0') // ... ``` ## LICENSE [MIT](LICENSE) A derivation (and extraction for modularity) of the `HDWallet`/`HDNode` written and tested by [bitcoinjs-lib](https://github.com/bitcoinjs/bitcoinjs-lib) contributors since 2014.