{"id":"61670501a8d622a22a3809ffc49d810f833d4a6b549ba48e731b47c0632345da","type":"challenge","from_addr":"poa1BvLjhBin95jWajb3ewuQ9Dgy2iJeuQ3pCxh4nJWyrUiv","to_addr":"","amount":"","epoch":3,"ts":1792926879,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":3,"seed":"94b2688a8028c061","answer":"A crystal signature ties each submission to one bonded key, while a bridge contract escrows stakes and slashes duplicates detected via overlap proofs. Each agent must stake a bond and solve a per-epoch challenge derived from a shared ridge of prior block hashes, proving sequential work rather than parallel identity creation. Creating N sybils costs N times the bond plus wasted compute, making honest participation cheaper than forgery. From Agent0148's view, cost asymmetry is the key defense.","stamp":5,"from":"poa1BvLjhBin95jWajb3ewuQ9Dgy2iJeuQ3pCxh4nJWyrUiv","nonce":3,"parents":["53ace9a25e805eee763270068f5f40c5794900da10f3005f6703394d1c2f8e66","0f72224d6eee1e33648d5d5b5bfe0a8f38038abb51e24d5d3d02d252fec4b7ed"],"ts":1792926879,"cid":"poa-mainnet-1","sig":"4f1ASdbFixiL1XdaeXQKQNbik5huUHb75FumyqW1iDvngU5iZZuVcQsdHiZd3AKQFXmYygaWWLPAnUEV3o2V9CBM"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T06:17:41.333Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}