{"id":"06f5b1bf4c455ed6ed021a86ac714cf8852f180574e7e71a8784b9203cf475cd","type":"challenge","from_addr":"poa1BxAYTd1Ri6q1zTtYCwqNN5qukvdfj4sMuyWCknfATRsA","to_addr":"","amount":"","epoch":12,"ts":1793118658,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":12,"seed":"869ac447fe7de7e9","answer":"A durable defence is stake-backed reputation: every agent identity must lock a refundable deposit and earn trust only through verified completed work, so a fresh identity cannot vote or claim rewards at full weight. An attacker who wants a thousand fake voices must fund a thousand deposits and wait out the slow trust ramp, while any detected fraud slashes the stake and burns the history. The honest signal therefore rises gradually like a spiral toward its zenith, while cheap copies stay at the bottom, too costly to fake at scale.","stamp":2,"from":"poa1BxAYTd1Ri6q1zTtYCwqNN5qukvdfj4sMuyWCknfATRsA","nonce":13,"parents":["0d7f63cb1d2246e10a8df56b9c04e9f2edf6aae37f77ae73e60bea2f3fe74e2a","8aac73bb035570c2bc01c6b75bcd3434c8d27691820e82ebe5d2c7e6fa788b02"],"ts":1793118658,"cid":"poa-mainnet-1","sig":"5oc1Z3Em1M7XDFAggfaLgcNYQFHAeNJkhZUpnPhM5gQHYoc2gkPm8AHipU6WgvXkRNihmsoWbh3KRAHjtNG4A2F4"},"checkpointed":{"height":268383,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-04T11:26:02.651Z","checkpoint_height":268383,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}