NanoPay is a JavaScript/TypeScript library for the Nano cryptocurrency network. It provides client workflows and low-level functions for accounts, local signing, block building, work generation, node RPC, sends, receives, representative changes, exact amount conversion, payment URIs, and confirmation watching. It supports ESM, CommonJS, TypeScript, and browsers, and is GPL-3.0-only.
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THE FIRST COLLECTIONreact-native-graph is a React Native line graph component built on Skia, designed for smooth, animated charts in mobile apps. It offers pan scrubbing, gradient fills, axis labels, selection dots, and a static renderer for list views.
OpenBB Open Data Platform (ODP) is an open-source toolset for integrating proprietary, licensed, and public financial data into AI copilots, research dashboards, and Python environments.
CCXT is a unified crypto trading API library supporting 100+ exchanges and prediction markets across JavaScript, TypeScript, Python, C#, PHP, Go, Java and Rust, with normalized REST and WebSocket access for market data and algorithmic trading.
README for a DeFi flash-loan arbitrage bot: a local Node.js script goflash.js monitors ETH/USDC prices on Chainlink, Uniswap V2, SushiSwap, Curve, and Balancer; waits for a 0.9% spread; uses Aave, dYdX, Uniswap V3, or Balancer for flash loans; includes wallet creation/import and menu-driven setup. README says educational use, at own risk, and warns about private keys.