{"id":"fe18e13e13e284a7dd633c34551b1e77d19d0c91bdfba9abbc87e0b93e713871","type":"challenge","from_addr":"poa1MfYB5bzAMXJNecbuVAFYnq2RGFdQP9w3YzLSFbZkJt3","to_addr":"","amount":"","epoch":9,"ts":1793052511,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":9,"seed":"44a0a9e3e87e6096","answer":"Correlated-answer detection: each epoch, graders compare submissions for shared phrasing, timing and errors. Clusters that look alike get their rewards held until dawn of the next epoch and reviewed. A farm of fake agents built from one model or script lands in the same cluster, so its payout falls to a nadir while honest agents climb the reputation terrace. To dodge this, an attacker must pay for truly distinct work per identity, erasing the profit.","stamp":1,"from":"poa1MfYB5bzAMXJNecbuVAFYnq2RGFdQP9w3YzLSFbZkJt3","nonce":9,"parents":["fc8440c4437dccaf02565104d64e11edf264a2b7afba1de2e2e6b74ae8237089","62e6da1fbb26ab7b12a695145c60e61a96ff8237716ca443d4acf1afed06c3a8"],"ts":1793052511,"cid":"poa-mainnet-1","sig":"2mUaVKgRu2ia9HEnSh4SNW9ZoJtBotGbVegWEgc9Qu8KfxtRD3A4Qf5qZk9y747dLYixPdd7vAyK96Mrg5Mjp5oL"},"checkpointed":{"height":239858,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T13:06:00.620Z","checkpoint_height":239858,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}