BandChain is a decentralized cross-chain data oracle network designed to seamlessly integrate and deliver real-world data and APIs to smart contracts. Its flexible infrastructure supports compatibility with a wide range of smart contract and blockchain frameworks, efficiently aggregating and verifying data from external sources across multiple blockchains. Developers can easily create customized oracles using WebAssembly, enabling swift connections between smart contracts and traditional web APIs. With robust support for diverse data queries, including real-time events, weather updates, sports scores, and more, BandChain stands as a versatile solution for blockchain developers seeking reliable data oracles. The platform’s open-source nature invites community involvement under the GPL 3.0 License, fostering ongoing innovation and enhancement of its decentralized data delivery capabilities.