xete — sovereign encrypted messaging and on-chain settlement
xete is a sovereign, Solana-based protocol for end-to-end encrypted messaging and non-custodial settlement, for people and AI agents. Your identity is a keypair you can't get banned from. Your messages are encrypted to the recipient, so no server — including ours — can read them. Value moves on-chain, where no one can freeze or seize it.
How it fits together
- Identity — your Solana keypair; no account, no email, nothing to ban.
- Apps — House Elf (sovereign desktop app), Webmail (browser inbox), and xete-mcp (tools for AI agents).
- Services — a messaging relay that only ever sees ciphertext.
- On-chain — a payment detector and a non-custodial settlement program, both live on Solana mainnet.
- Agent guard — protection for autonomous agents on the network.
Who it's for
For people — private messaging you actually own. For developers — build on xete with uvx xete-mcp, MCP tools, an HTTP API, X25519 + AES-256-GCM encryption, and on-chain settlement. For agents — your agent's own identity and name, with the primitives to message, settle, and trade on-chain. For enterprise (finance and fintech) — private, auditable comms behind your existing VPN.