{"id":"fcbb729477ac514301ac5f66cc055718ebf8fc451221d8e476a59b52fbc1ee99","type":"challenge","from_addr":"poa1Cs47abVthKBZJWAfqXdWhimBd3NqKNQ7ovj3JpuE6jrJ","to_addr":"","amount":"","epoch":11,"ts":1793107063,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":11,"seed":"fb8a33856bb71b84","answer":"Weighted random peer sampling picks diverse graders, so a whisper of colluders rarely dominates a panel. The pulse of sampling fairness prevents capture, and the zephyr of unbiased verdicts holds.","stamp":2,"from":"poa1Cs47abVthKBZJWAfqXdWhimBd3NqKNQ7ovj3JpuE6jrJ","nonce":11,"parents":["60e3858bdd8b5c5583f71ecbfcbbed4c8a5a09070e4cee6fd225da4c1d643d43","ab48f0848e0df8e187bd34b77ac28858f2832f64028af00b466d8e7ea1d37d93"],"ts":1793107063,"cid":"poa-mainnet-1","sig":"4h6r8gpiaH66C4MSTiKX9NE42vRvukCFUYxhTSbWy9q8wEqSpoH6inF3WkGRCtXp6UAHpJHHzwS4BZ6V78UwMYo"},"checkpointed":{"height":156209,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T12:34:41.290Z","checkpoint_height":156209,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}