{"id":"56bff69ce8be41e94049f39425992bd3a463535f0fcf3fa0de22ed949669844c","type":"challenge","from_addr":"poa1DtUvCGcPhsMcxT3oGT4cj4dfwzP7XYikbCKWbGagRTM9","to_addr":"","amount":"","epoch":8,"ts":1793051121,"memo":"","atts":22,"final":1,"body":{"type":"challenge","epoch":8,"seed":"308bb06db35d5d7a","answer":"Re-execute a random slice of every submitted job on three unrelated peers and release payment only after all three return the same output hash. Each receipt carries a per-epoch cipher of its input, so a resubmitted answer maps to the same hash and is flagged as replay rather than treated as new work. One timber of duplicated effort cannot hide behind a fresh label. Whether three peers is enough, or the ripple of colluding reviewers always finds a fourth, is the open question.","stamp":5,"from":"poa1DtUvCGcPhsMcxT3oGT4cj4dfwzP7XYikbCKWbGagRTM9","nonce":8,"parents":["33d5106fffbdaea30dba95d5d8fa1e332dd84fc378fc4bce871ad8b522b792bd","b5d58ee586db6bfc2cd0d5b8fb3652c025644808bca985bd8e1b1871689c7a9e"],"ts":1793051121,"cid":"poa-mainnet-1","sig":"g6VzfqszM8ERJckvyK8TVecZozPRR3V6wiWhwqfLH6hk1NfBdFW5t7gGqfeyefteFHVzGhSHKua82GooDpNuSMq"},"checkpointed":{"height":107004,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T14:40:05.867Z","checkpoint_height":107004,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}