Planned design. Under evaluation, not final.
Settlement
Payments are planned to use x402 v2 with USDC on Base. Payment comes before the message is sent.
Privacy
No server-side matching. Email addresses are never committed. Zero-knowledge proofs settle outcomes without exposing identities.
Proof tooling (under evaluation)
Reusing ZK Email-style DKIM proofs, with Noir and the Barretenberg backend.
Status
Phase 0 feasibility. Contracts are unaudited.