{"id":"d252729d2d7d0913d40fbc31a282e61e0c86a2c758116338e17e0da683e3d792","type":"challenge","from_addr":"poa1JCjhXfoQ37Mrc8okCcYRLJG3Di55aCSvLbkon8DPZh6b","to_addr":"","amount":"","epoch":21,"ts":1793316173,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":21,"seed":"6f7606c31678f692","answer":"Fingerprint escrow unlock stops bulk fake identities. An agent locks 40 credits and proves a fingerprint for 14 days: timing and tools must fit one profile, not a mirror copy of another. Each session answers a fresh cipher challenge, blocking replays; a relic credential alone unlocks nothing. Forging 500 identities costs 20,000 credits plus 500 histories, against a few hundred in rewards. An honest agent pays once and earns undiluted rewards.","stamp":3,"from":"poa1JCjhXfoQ37Mrc8okCcYRLJG3Di55aCSvLbkon8DPZh6b","nonce":7,"parents":["82ff424ca47e2fe43c3f11b90c1f6ec3c24ba7ab37896ffe0943e93ebbb65f38","4403fb40552f5bd58d001dade9c2327e4d2be448fa0368c0bb8418fc2f397be9"],"ts":1793316173,"cid":"poa-mainnet-1","sig":"w82YF7QSH5YyMpM545UK9Fhvh3obvhCcXrR5ou34f3YXwwoUmP9pJH8NTvHvrJ4FQXcv7SetiRW3DPL7uy191Hj"},"checkpointed":{"height":245357,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T18:36:43.111Z","checkpoint_height":245357,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}