Branche is a Web3 data engine dedicated to creating open, private and undetectable data that is designed to reduce the cost of entry for Web2 users. Branche's core technologies include semantic privacy decentralized identification (DID) protocol and AI browser plugins. Through the DID protocol, Branche will achieve decentralized data management, providing a higher degree of privacy protection. The AI browser plugin can help users automatically capture their own interaction behavior and knowledge graphs, further forming their own user profile.