Bitcoin

This repository contains an implementation of Bitcoin using mostly pure PHP.

Warning: This library does not support 32-bit installs of PHP. Please also note that composer is the only supported installation method.

Installation

You can install this library via Composer: composer require bitwasp/bitcoin

Contributing

All contributions are welcome. Please see [this page] before you get started

Documentation

Check out the beginnings of the documentation for the library: [Introduction]

Presently supported:

Blocks, headers, and merkle blocks and bloom filters
P2SH & Segregated witness scripts
An adaptable elliptic-curve library, using [PhpEcc] by default, or libsecp256k1 if the bindings are found
Support for building, parsing, signing/validating transactions
Deterministic signatures (RFC6979)
BIP32 and electrum (older type I) deterministic key algorithms
BIP39, and the older electrum seed format.
ScriptFactory for common input/output types, parser, interpreter, and classifiers
Supports bindings to libbitcoinconsensus
Bindings to Stratum (electrum) servers

Other projects

buffertools-php - Toolkit for working with binary data in PHP
ext-secp256k1 - PHP bindings to libsecp256k1
ext-bitcoinconsensus - PHP bindings to libbitcoinconsensus
bitcoin-p2p-php - PHP implementation of bitcoin P2P messaging using reactphp
stratum-php - PHP implementation of the stratum protocol using reactphp
electrum-discovery-php - Electrum server discovery (over IRC) using reactphp
node-php - A toy project (really just for fun) a full node using bitcoin-p2p-php
bip70-php - A BIP70 (payment requests) implementation for PHP

Supporters

This library is a 100% open source project. We do not receive any funding from the industry, nor provide paid support or development of features. That said, we are grateful for our supporters who provide free access for open source projects: