Developers

Build on Bitcoin

GitHub Documentation

Key Repositories

bitcoin/bitcoin

Bitcoin Core reference implementation

74k

lightningnetwork/lnd

Lightning Network Daemon

7.5k

ElementsProject/lightning

Core Lightning (c-lightning)

2.7k

bitcoin/bips

Bitcoin Improvement Proposals

btcsuite/btcd

Go full node implementation

5.8k

rust-bitcoin/rust-bitcoin

Rust Bitcoin library

1.8k

APIs & Services

mempool.space

Block explorer and API. Open source.

Blockstream Esplora

HTTP REST API for blockchain data

blockchain.info

Simple blockchain data API

BTCPay Server

Self-hosted payment processor

Important BIPs

Bitcoin Improvement Proposals

BIP-32

HD Wallets

Hierarchical Deterministic key derivation

BIP-39

Mnemonic Seeds

Seed phrase standard for wallet backup

BIP-44

Multi-Account HD

Multi-coin HD wallet structure

BIP-141

SegWit

Segregated Witness soft fork

BIP-340

Schnorr Signatures

Taproot signature scheme

BIP-341

Taproot

SegWit v1 spending rules

Documentation

Bitcoin Developer Guide

Learn Me A Bitcoin

Bitcoin Wiki

Lightning Engineering

Contribute to Bitcoin

Bitcoin Core is open source. Anyone can review code, submit patches, or run tests.

Start Contributing

Data

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Resources