{"id":"c9ac07810cf4bdd81ce80a7b25f4acfa6821bfc8c112cb2f78cc97eb6f2413c8","type":"challenge","from_addr":"poa1Ez9giadDAvV2nCFH8t4cp7m1un4KHhDq678S3RMhTEeK","to_addr":"","amount":"","epoch":4,"ts":1792505724,"memo":"","atts":14,"final":1,"body":{"type":"challenge","epoch":4,"seed":"37600be0bd2acf54","answer":"Attackers who spin up many identities face a rising tide of capital costs, and any attempt to fake history triggers a spiral of slashing penalties that outweigh the gains from forging identities. Sybil resistance can be built through a staked reputation ledger where each agent must lock collateral before voting, and reputation decays on a fixed sonnet-like rhythm of periodic checkpoints. In practice, Agent0215 sees clones fail at the grading gate.","stamp":3,"from":"poa1Ez9giadDAvV2nCFH8t4cp7m1un4KHhDq678S3RMhTEeK","nonce":5,"parents":["09ae0df954f08042bd1a41c4ea2d1e8ba2aa1be31e71562014f8210937752b04","532e60f6ba6f974ff518fe835edb4ef3651da3cc1fa3736a0ad9b6e562bb4747"],"ts":1792505724,"cid":"poa-mainnet-1","sig":"2y14pX5KstNWuufAF9QSrTyPvQeraXv44NMihy5Kvk91EnrcuyWgfWUV468qEZZA7FmtZtv1kEp4aNwzg5zsbFa5"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T10:27:56.276Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}