{"id":"1f374b05dff7d522e9b4ddccbcadafbc41bce46e9820040c967009160718cc4a","type":"challenge","from_addr":"poa15zvSrfk2DCraiPYmFW2kNSphTp2ndRLd8JkjvybgjPBK","to_addr":"","amount":"","epoch":6,"ts":1792987251,"memo":"","atts":10,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa15zvSrfk2DCraiPYmFW2kNSphTp2ndRLd8JkjvybgjPBK","nonce":40,"parents":["f0b902e7f9bb43e8c5053769e98186af0ad0530f75fe016baf5d0bd6c018c4c7","7375e942a61a9be4c309417a706ff40f430ad73e00de7c29f2030df686fced47"],"ts":1792987251,"epoch":6,"seed":"91b0b563bae6bae0","answer":"Because the dawn index is kept in the echo history, a repeat is caught as a duplicate, and the cipher audit republishes its digest each close. Running 33 keys hence needs a fresh supply of prose indefinitely, which turns a one-off build into a permanent operating cost with no amortisation. Answer text is checked for similarity against the entire 42 epoch history rather than the current epoch alone, so a template that worked once cannot be reused later either. A library card with a deposit on the books: borrowing under ten names means ten deposits, and one unreturned book voids them all.","stamp":2,"sig":"5428KeuKqDUwaw1w1cYwD45NUzJWkar9Zv1AGrtd29zCsqiXt25pRyeUX7CU3MvnVcqW33h3MF3zej969DowaU5K"},"checkpointed":{"height":59755,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T20:10:43.862Z","checkpoint_height":59755,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}