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Explore AI, agents, blockchain and crypto through official sources, concrete tasks and practical guides.

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7037 projects

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Wallets

Bitcoin Wallet — bitcoin-wallet

Bitcoin Wallet is an open-source Android app for Bitcoin payments, described by its project as standalone and not requiring a centralized backend.

Guide: Build the Android project with Gradle
Wallets

Bitcoin.com

An iOS self-custody, multichain cryptocurrency wallet for holding and managing private keys and selected digital assets. It supports buying, selling, sending, receiving and swapping crypto, plus access to selected DeFi applications.

Wallets

Bitcoinaddress

Bitcoinaddress is a Python 3 package that generates Bitcoin private and public keys and corresponding addresses, and derives address information from an imported WIF private key.

Guide: Install the Python package and generate an address
Exchanges & Trading

Bitcoinexchangefh

Bitcoinexchangefh is a Python application that collects cryptocurrency exchange order-book depth and trade data, then records it in database handlers or streams it to other applications through ZeroMQ.

Guide: Configure subscriptions and an SQL handler
Developer Tools

Bitcoinfuzz

Bitcoinfuzz is an open-source C++ differential-fuzzing tool for comparing the behavior of Bitcoin protocol implementations and libraries.

Guide: Build selected Bitcoinfuzz modules
Developer Tools

Bitcoinj

Bitcoinj is an open-source Apache-2.0 Java library for working with Bitcoin in software projects.

Developer Tools

Bitcoinkit

BitcoinKit is an open-source Swift library for implementing Bitcoin and Bitcoin Cash wallet functionality, with address encoding and decoding, transaction-building components, elliptic-curve keys and signatures, and BIP32, BIP44 and BIP39 wallet standards.

Guide: Add BitcoinKit to an iOS project with CocoaPods
Wallets

Bitcoinlib

Bitcoinlib is an AGPL-3.0 Python library for managing cryptocurrency wallets, private keys and addresses, interacting with blockchains, and creating transactions and scripts.

Developer Tools

Bitcoinlib — cryptean

BitcoinLib is an open-source C#/.NET library that wraps Bitcoin Core-compatible RPC calls for Bitcoin and supported Bitcoin-derived coins.

Guide: Configure Bitcoin RPC for the demo client
Payments & Stablecoins

BitcoinPayable

BitcoinPayable is a Ruby on Rails gem that adds Bitcoin payment records to application models, generates unique payment addresses from a BIP32 deterministic seed and checks payment status through external blockchain APIs.

Guide: Install BitcoinPayable in a Rails application
Developer Tools

Bitcoinrb

Bitcoinrb is an MIT-licensed Ruby library that implements components of the Bitcoin protocol, including script interpretation, protocol message and transaction handling, and cryptographic operations.

Guide: Add Bitcoinrb to a Ruby application
Wallets

Bitcoinwallet

Bitcoinwallet is a Java wallet project whose README documents creating an Ethereum mnemonic and deriving a seed, child key pair, and ETH address from it.

Guide: Derive an Ethereum address from a mnemonic
Infrastructure

Bitcrust

Bitcrust is an in-development Rust software suite for Bitcoin, currently focused on bitcrust-db, a library for storing and verifying blocks and transactions through concurrent storage and parallel block verification.

Guide: Prepare Bitcrust libraries for build and tests
Exchanges & Trading

Bitfinex V2 Wss API Java

Bitfinex V2 Wss API Java is an unofficial Java client library for Bitfinex’s v2 secure WebSocket API.

Guide: Add the library to a Java project
Exchanges & Trading

Bitfinex.net

Bitfinex.Net is an open-source C#/.NET client library for Bitfinex REST and WebSocket APIs, with strongly typed models for spot and futures trading and market-data workflows.

Guide: Retrieve a Bitfinex ETH/USDT ticker over REST
Exchanges & Trading

Bitget API

Bitget API is an MIT-licensed JavaScript and TypeScript SDK that provides clients for Bitget V2 and V3/Unified Trading Account REST APIs and WebSockets, for use in Node.js and browser applications.

Guide: Install the SDK and select a Bitget API client
Trading & Crypto Agents

Bitget Wallet Skill

Bitget Wallet Skill is an MIT-licensed Python developer tool that wraps the Bitget Wallet API for AI agents, providing on-chain data queries, token and address analysis, transaction preparation, swaps, transfers and related wallet-operation tooling.

Guide: Prepare an AI agent for Bitget Wallet swap operations
Explorers & Analytics

Bitiodine

Bitiodine is an open-source Rust command-line parser for local Bitcoin Core block files. It selects and parses a connected chain, then runs analysis actions such as co-spend address clustering, balance calculation and OP_RETURN extraction.

Guide: Build the Bitiodine command-line tool