BitcoinJS (bitcoinjs-lib)

The pure JavaScript Bitcoin library for node.js and browsers. Estimated to be in use by over 15 million wallet users and is the backbone for almost all Bitcoin web wallets in production today.

Features

• Clean: Pure JavaScript, concise code, easy to read.
• Tested: Coverage > 90%, third-party integration tests.
• Careful: Two person approval process for small, focused pull requests.
• Compatible: Works on Node.js and all modern browsers.
• Powerful: Support for advanced features, such as multi-sig, HD Wallets.
• Secure: Strong random number generation, PGP signed releases, trusted developers.
• Principled: No support for browsers with crap RNG (IE < 11)
• Standardized: Node community coding style, Browserify, Node's stdlib and Buffers.
• Fast: Optimized code, uses typed arrays instead of byte arrays for performance.
• Experiment-friendly: Bitcoin Mainnet and Testnet support.
• Altcoin-ready: Capable of working with bitcoin-derived cryptocurrencies (such as Dogecoin).

Should I use this in production?

If you are thinking of using the master branch of this library in production, stop. Master is not stable; it is our development branch, and only tagged releases may be classified as stable.

Installation

npm install bitcoinjs-lib

Setup

Node.js

var bitcoin = require('bitcoinjs-lib')

Browser

If you're familiar with how to use browserify, ignore this and proceed normally. These steps are advisory only, and may not be suitable for your application.

Browserify is assumed to be installed for these steps.

For your project, create an index.js file

let bitcoin = require('bitcoinjs-lib')

// your code here
function myFunction () {
	return bitcoin.ECPair.makeRandom().toWIF()
}

module.exports = {
	myFunction
}

Now, to compile for the browser:

browserify index.js --standalone foo > app.js

You can now put `