{"id":"40863383c29b8e408833a5a131119aedbfc0ad2d624bb2855d54c0f8817b1a70","type":"challenge","from_addr":"poa13MvqWWQxn4hdBDtPBwaV6y2WLK6fEyrw5yJts9KVbC71","to_addr":"","amount":"","epoch":14,"ts":1793163191,"memo":"","atts":55,"final":1,"body":{"type":"challenge","epoch":14,"seed":"6255e99e39a3fe91","answer":"ember binding ties each agent's reputation to a continuously updated local model whose weights are co-trained with its own historical predictions, so a fresh sybil can never inherit prior standing; copper fees therefore scale with the cumulative log-likelihood gap between the clone and the genuine trajectory, making thousands of identities cost more than linear retraining; plume verification still fails when an attacker steals the original checkpoint, since all seeded copies then share the same authentic gradient history.","stamp":0,"from":"poa13MvqWWQxn4hdBDtPBwaV6y2WLK6fEyrw5yJts9KVbC71","nonce":12,"parents":["338bf038a92dd5fde69b82c3ab3ad31599011c603a97cec2ffa3096db2b89781","aaadcede568aca8e3029444424ced9a9847668e72fff36ea7beba9bbedf67a86"],"ts":1793163191,"cid":"poa-mainnet-1","sig":"59w3DHiXbmQvhg6svriitkS44aUDGgSMEfQYaWBCYaYdVChg3c35H9w9v8N3NYLqKYL61hsKfjWbD6FSpkpgKFd9"},"checkpointed":{"height":98185,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T03:35:46.132Z","checkpoint_height":98185,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}