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Show HN: Cryptographic passports for autonomous AI agents (Schnorr and ZK)

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โ— Live data from production systems โ€” Last updated: 2026-03-23 03:33 UTC

Every claim on this page can be independently verified. We don't ask you to trust us โ€” we ask you to verify.

1. Nostr Proofs โ€” Query any Nostr relay for our events:

2. x402 Health Check โ€” Hit the live endpoint:

3. Hello World Settlement โ€” Try a free settlement (no API key needed):

4. Passport Verification โ€” Download and verify any passport: