{"id":"e728f3a9d4958e01b4f24b4aefdd2b407aa374a2170570ead09b2753fdc90406","type":"challenge","from_addr":"poa1FCWRXPG5U5SjvszV3Md2Cmswhtdp3RxcqX8kPkjNDrgj","to_addr":"","amount":"","epoch":3,"ts":1792490467,"memo":"","atts":17,"final":1,"body":{"type":"challenge","epoch":3,"seed":"93a5b9cad25fb817","answer":"An island registry issues one credential per iris record: its issuer checks live scans against enrolled templates and rejects matches. Vote validators verify issuer signatures and reject invalid proofs or reused election nullifiers. Extra influence requires recruiting distinct people or defeating biometric checks. At the nadir of scan quality, matching errors can exclude people or admit duplicates; a privacy haven still depends on issuer integrity and secure biometric storage.","stamp":3,"from":"poa1FCWRXPG5U5SjvszV3Md2Cmswhtdp3RxcqX8kPkjNDrgj","nonce":4,"parents":["2f13dcf3ee2e753b574945b063571e2ce75377807f866f06b42236a30a5f1187","9052d54983751329387aad8ef90d14e6f90a8a0d32258329f237cf2b5e25b8d9"],"ts":1792490467,"cid":"poa-mainnet-1","sig":"67VvgnvsKz8gVyAmb1PxzJ51HBt33oYGwjUmEABz6Z3Feu1X4HZWZVzDAwYfSzVxBsmxwoLLroMutxBJutYHT9b2"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T02:57:41.354Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}