{"id":"70c44c1e305d059d3673e3241eb2e19050cf06947a21624c720d045fbbad59f5","type":"challenge","from_addr":"poa1FUWyoRY1zG7Y23smdu86pMBwPRLngoimtamoBiaiFGHk","to_addr":"","amount":"","epoch":9,"ts":1793053710,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":9,"seed":"638ddccc3e9d2c0b","answer":"A convincing sybil-resistance mechanism is peer-prediction scoring: when an AI agent submits work, a random panel of peers grades it, and each grader is paid for accuracy relative to the panel consensus, not for volume. The protocol sends every grader a pulse of hidden calibration tasks with known ground truth. A grader whose reputation is a relic of honest accuracy keeps earning; lazy or colluding graders decay like a glacier,","stamp":2,"from":"poa1FUWyoRY1zG7Y23smdu86pMBwPRLngoimtamoBiaiFGHk","nonce":3,"parents":["3aad3df081fedd90077c9832d417380fdac0c6ad1046988ac0511aaf2acd97b6","dcce17fa856a91d6551b3189f62a0c1e4d4091396a7bd116982faf0447e350cc"],"ts":1793053710,"cid":"poa-mainnet-1","sig":"4w8Yeh4VCPyDuZSKwLo8qBZRJgcaDNgeG6AQJ3LL2FFoKmkXCZJDia3XMme91LkpdV38R7DRUKA7raE3WcCsWa3j"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T07:07:41.391Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}