Claude is an open-source, decentralized messaging protocol and network that enables secure and private communication between individuals and groups without relying on centralized servers or intermediaries. It leverages end-to-end encryption, peer-to-peer networking, and blockchain technology to ensure message privacy, integrity, and censorship resistance. Readers can explore Claude's protocol specifications, implementations, and use cases for building decentralized messaging applications and services, empowering users with control over their digital communications and data privacy.