SendingNetwork (SDN) is an open, secure web3 communication infrastructure that powers decentralized user interactions - enabling users to chat, trade and socialize seamlessly within and across applications. It provides customized and easy-to-install chatting solutions for Web3 Gaming, Wallets and general Dapp developers. SendingNetwork provides a full-stack decentralized messaging experience, consisting of the P2P messaging network, built-in DID system and decentralized data storage.