Explore AI, agents, blockchain and crypto through official sources, concrete tasks and practical guides.
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BitListen is a browser-based Bitcoin transaction visualizer that displays and plays audio for new transactions and blocks as they propagate through the network.
Guide: Build BitListen after changing JavaScriptBitmask Core is a Rust library providing core functionality for the BitMask Bitcoin wallet, including support for Bitcoin UTXOs, RGB smart-contracting protocols and Lightning payments.
Guide: Start the local bitmaskd REST serverBitmex Client Websocket is an Apache-2.0 C# library for connecting .NET software to BitMEX’s WebSocket API. It provides public and authenticated API coverage through reactive streams and a WebSocket communicator.
Guide: Connect to BitMEX and handle a ping-pong responseBitmex Simple Trading Robot is an open-source sample application that uses configurable strategy and execution logic to place trades on BitMEX. Its example strategy uses MACD, with settings for contract amount, leverage and timeframe.
Guide: Configure the bot for BitMEX TestnetBitnet is a Python and PyTorch implementation of BitNet's 1-bit Transformer linear methods and model. It provides BitLinear quantized layers, Transformer components and example inference and Hugging Face workflows.
Guide: Replace linear projections with BitLinearBitpay App is an open-source TypeScript and React Native mobile cryptocurrency wallet application for iOS and Android, with platform build instructions, deep-link configuration, Redux debugging support and Storybook mode.
Guide: Set up the Bitpay App development projectBitsandbytes is an open-source Python library for PyTorch that provides 8-bit and 4-bit large-language-model quantization, memory-efficient 8-bit optimizers, and QLoRA building blocks for reducing memory use during inference and training.
Guide: Prepare a PyTorch project for Bitsandbytes quantizationBitshares UI is an open-source reference wallet application for the BitShares blockchain that provides a browser-based interface, local key storage, local transaction signing, and connections to BitShares blockchain nodes.
Guide: Run the BitShares UI development serverBitStore is an Objective-C native iOS Bitcoin wallet for managing multiple addresses and contacts, viewing BTC exchange rates, and selecting a currency unit. It generates private keys on the device and stores them in the iOS Keychain.
Guide: Configure the BitStore iOS projectBitvision is a JavaScript terminal application for viewing Bitstamp data, charting Bitcoin prices, and placing manual or automated trades.
Guide: Install and open the Bitvision dashboardBitXHub is a Go-based, pluggable inter-blockchain reference implementation for connecting blockchains and exploring relay-chain communication.
Guide: Prepare and start a four-node relay chainbkit is an open-source JavaScript plugin for Claude Code that provides development skills, specialist agents, quality gates and persistent project memory.
Guide: Install bkit and start a single-feature workflowBlack IDE is a graphical integrated development environment for Ethereum and EVM-compatible smart-contract projects, offered as desktop software for macOS, Windows and Linux and as a browser-based application.
Guide: Install Black IDE on desktopBlacksmith is a locally run web app that generates a simple frontend for interacting with smart contracts.
Guide: Run Blacksmith with a local Foundry contractBladeBTC is a PHP Telegram bot application for Bitcoin sending, receiving, investment, reinvestment and withdrawal workflows using a Blockchain.com wallet, with a web administration GUI.
Guide: Prepare the documented BladeBTC server installationBlades is an open-source Go framework for building multimodal AI agents with pluggable model providers, tools, memory, middleware and composable workflows.
BlaGPT is a Python Transformer implementation and experimental playground for benchmarking language-model architectures, layers and techniques on smaller datasets.
Guide: Start a FineWeb10B architecture benchmarkBlankspace is an open-source, browser-based AI coding agent and app builder with an editor, preview and chat interface for generating, debugging and editing application code.
Guide: Set up Blankspace for local development