on-chain-data

Real-time Ethereum whale tracker with WebSocket transaction streaming, ETH/ERC-20 decoding, and instant Telegram alerts above a configurable USD threshold. Wallet labels, counterparty analysis, smart-money PnL, exchange flows, SQLite storage, CSV/XLSX/JSON export, auto-reconnect, and cross-platform Python support.

📈 Free crypto market data (worth $500+/mo) for ML & research. Star ⭐ to keep it free!

Privacy-first, self-hosted crypto accounting app with zero cloud data sharing. Aggregates exchange, wallet and multi-chain history, calculates FIFO/LIFO/HIFO cost basis, realized/unrealized PnL and capital gains, tracks staking/airdrop income, and exports tax-ready CSV/PDF/JSON reports. Encrypted SQLite. Python, cross-platform.

CryptoDataPy is a python library that makes it easy to build high quality data pipelines for the analysis of cryptoassets

Download crypto on-chain data with a single line of code

Replication package for 'The Anatomy of a Decentralized Prediction Market: Microstructure Evidence from the Polymarket Order Book.' Eight stylized facts on a pre-registered 600-market panel plus a methodological result: feed-inferred trade direction agrees with on-chain ground truth on ~59% of buckets vs ~80% Lee-Ready on equities.

Claude skill turning a coding agent into a Solana on-chain data analyst: Dune and Flipside SQL, IDL and log decoding, holder and forensics analysis.

Tide is the web3 marketing application for projects, brands, and businesses to effectively acquire, engage and retain users.

Postman API kit for the CryptoQuant API

Production-ready Solana Web3 indexer in Go with PostgreSQL, real-time WebSocket APIs, and Prometheus metrics for scalable on-chain data pipelines.

Live docs for every verified smart contract.

Production-grade crypto asset-management platform architecture featuring a high-performance portfolio dashboard, scalable API-driven analytics, and frontend architecture for data-intensive Web3 workflows.

Coin Metrics — independent third-party profile of a public API surface, by API Evangelist. Coin Metrics is a Boston-based crypto financial intelligence provider founded in 2017, selling institutional-grade cryptoasset network (on-chain) data, exchange market data (trades, quotes, order books, candles, derivatives), CMBI indexes, reference rates, an

Machine-readable, automated on-chain data and scenario analysis for $TRUMP. Optimized for LLM RAG pipelines. Single Source of Truth configuration.

Data science for blockchain project

Transparent governance scoring for top DeFi protocols. 10 protocols mapped, methodology v0.1, fully reproducible from on-chain data.

API docs for Sova Intel - on-chain behavior analysis and intelligence

MCP server for Uniswap V2/V3, enabling AI clients to query on-chain data, get swap quotes, inspect liquidity, and execute trades.

On-chain funding tracker for decentralized science (DeSci) protocols - BIO, VitaDAO - with AI-generated weekly digests.

Live terminal dashboard for tracking Polymarket whales. Async wallet polling, Rich UI, Telegram alerts.