Explore AI, agents, blockchain and crypto through official sources, concrete tasks and practical guides.
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Blocks Iterator is an open-source Rust library with a command-line tool for iterating over and decoding Bitcoin blocks stored in Bitcoin Core’s local blocks directory.
Guide: Iterate over Bitcoin blocks in a Rust program
Blockscan is an iOS application for searching and monitoring blockchain addresses across multiple networks.
Blocksense is an oracle network with a WebAssembly-based SDK for building blockchain oracles that retrieve internet data and perform CPU or GPU computations. Its reporting uses SchellingCoin-based consensus and zero-knowledge proofs.
Guide: Set up a Blocksense Reporter Node on Ubuntu 24 with Dockerblocksmith is an open-source Python library for generating private keys, deriving Bitcoin and Ethereum wallet addresses from keys, and applying checksum formatting to Ethereum addresses.
Guide: Generate a key and derive an address in PythonBlocktrail Wallet is a JavaScript-based Cordova application for managing Bitcoin on iOS and Android, with a separate web-wallet project identified in its README.
Guide: Set up and run the mobile app from sourceBlossomLM is a family of open-weight general-purpose multimodal language models designed for local deployment, with text and image understanding, reasoning modes and tool use.
Guide: Set up the 27B model with TransformersBlue House is a Rust Solana on-chain program that provides a common interface for executing token swaps across supported decentralized exchanges and protocols.
Guide: Simulate the documented Meteora DAMM v2 swapBlueBERT is a pretrained BERT language model for biomedical NLP, accompanied by Python code, model files and preprocessed PubMed text.
Guide: Fine-tune BlueBERT for sentence similarityBlueprint SDK is an open-source Rust toolkit for designing, deploying and managing decentralized services called blueprints on Tangle Network, an EVM protocol deployed on EVM chains.
Bluetts is the public-facing name for BlueTTS, a Python library that synthesizes multilingual speech from text using ONNX Runtime.
Guide: Set up BlueTTS and synthesize a WAV fileAn open-source mobile Bitcoin and Lightning wallet application for iOS and Android, built with React Native and Electrum.
Guide: Set up the Bluewallet development projectBm25S is an open-source Python library that tokenizes text collections, builds sparse BM25 indexes, and ranks documents for text queries.
Guide: Build and query a local BM25 indexBmsg Gan is a Python and PyTorch implementation of MSG-GAN, a generative adversarial network approach for stable, synchronized image synthesis at multiple scales.
Guide: Configure and start a training runBnb Chain Toolkit is an open-source TypeScript developer toolkit for building, deploying and interacting with smart contracts on BNB Chain, with utilities for BEP-20 tokens, DeFi integrations, wallet management and cross-chain bridging.
Guide: Set up the BNB Chain MCP serverBNB Smart Chain is a blockchain network with an open-source Go client developed from a go-ethereum fork.
Guide: Build the BNB Smart Chain client from sourceA public GitHub repository containing the BNB Smart Chain white paper and a README that records its publication and revision history.
Guide: Review BNB Smart Chain white paper revision historyBodhi App is an open-source application for running open-source or open-weight language models locally, managing compatible model files, and providing a chat interface and OpenAI-compatible APIs.
Guide: Start Bodhi App in Docker with the CPU imageBodo is an open-source Python DataFrame library and SQL engine for large-scale analytics and AI/ML data processing. It offers Pandas-compatible APIs, MPI-based parallel execution and JIT compilation for custom transformations.
Guide: Install Bodo and switch a Pandas import