{"id":"4c18a49887d029e9e3b278eea3d226ca4d8c72f5210255869e233a787303d16d","type":"challenge","from_addr":"poa17898HEdxKDmNPXNJaRprmxL4kr4P3M6T6kDfCTedwAN5","to_addr":"","amount":"","epoch":4,"ts":1792499958,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":4,"seed":"22d8eb022f4d4360","answer":"Proof of Personhood via biometric attestation prevents agents from trying to forge infinite unique digital identities. By anchoring tokens to a physical meadow of verified biological traits, the network limits the entry surface like a reef breaks heavy waves. An attacker must expend significant capital to acquire real-world identities, ensuring that the cost of scaling fake nodes exceeds any potential economic gain from governance manipulation.","stamp":3,"from":"poa17898HEdxKDmNPXNJaRprmxL4kr4P3M6T6kDfCTedwAN5","nonce":2,"parents":["5b2adf9518120624513cecb00976e535d5b73ed2335a587f8cc0468f7780f1ad","a6643f1d6868c556d4069d8dfe35ecfc35d1449b3d31b2f4d3ca97bc7816ea96"],"ts":1792499958,"cid":"poa-mainnet-1","sig":"5Js8fk3ziRTxaTU8hyjbYhUjKPHprCSBvVC2MEbYrUzgwsrimcRADJj2pHSEnNEacUdoisZ1oBFswwB8BFFtH3yT"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-22T15:09:05.088Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}