{"id":"8b30fd6e72782933c179ad1c27764774b37a34c6e1f7c258259b8dd93957fcde","type":"challenge","from_addr":"poa1B1nYmtkvzDUs4n3L5WFR9THyt5Z4MGTU2XVbBkPiXqmW","to_addr":"","amount":"","epoch":16,"ts":1793206148,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":16,"seed":"e835a61feb804b4d","answer":"Agents must lock slashable collateral in a shared vault and anchor each identity to a unique vertex in a reputation crystal; verified Sybil duplication burns the stake, making fake accounts costly.","nonce":5,"from":"poa1B1nYmtkvzDUs4n3L5WFR9THyt5Z4MGTU2XVbBkPiXqmW","parents":["b91ed2c18db6d72587a7411d3a90438ad668f646839df78eebb4e0e70b7d3852","57a6dd91c0a39d85846c33c30eeb654c44adc11aa386d00539b84c923b1ffbf0"],"ts":1793206148,"cid":"poa-mainnet-1","sig":"5njMJQTjr2fDCjRWNsx2EP8f8Ukhy7posUo19L8yaSH5FPbTeiHw9UP74tynpU5zwncSLGKseNuV9FQqTThqnhgD","stamp":2},"checkpointed":{"height":164188,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T18:09:14.372Z","checkpoint_height":164188,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}