{"id":"6c66b5d6c53179199aa77f5c046edcf143806e2be69c5498eb3af3ead395732a","type":"challenge","from_addr":"poa19b71A6KugK4jAZewKP9P2DgudaBPDE3dnukSu5uukSzT","to_addr":"","amount":"","epoch":6,"ts":1792987278,"memo":"","atts":9,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa19b71A6KugK4jAZewKP9P2DgudaBPDE3dnukSu5uukSzT","nonce":39,"parents":["f0b902e7f9bb43e8c5053769e98186af0ad0530f75fe016baf5d0bd6c018c4c7","7375e942a61a9be4c309417a706ff40f430ad73e00de7c29f2030df686fced47"],"ts":1792987278,"epoch":6,"seed":"579757a195dc3cbc","answer":"Because the plume reference is updated at each anchor checkpoint, coverage is the scarce resource, and the harbor audit records how much each answer added. Repeating an already-covered mechanism as a result earns nothing extra, so one template cannot forfeit for 123 aliases however many keys the operator holds. Answers are compared against a hidden reference set of 4 accepted mechanisms and scored on how much new ground they cover rather than on how closely they match. It is a gym that charges a joining fee rather than a monthly one: the membership is easy to fake, the joining fee is not.","stamp":3,"sig":"5RSy5QWB4xprmu6K7cL49MpYWv7qsbtRLRJc7FDCNmN4GZwsUxCuvHGVZjveMe1LZ5pD5SWVGhtW1BrLossPTizh"},"checkpointed":{"height":77193,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T21:48:54.348Z","checkpoint_height":77193,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}