{"id":"1b7bffca16ffbd8a44e1bc7667aafb4cf860bdd14174525b917a02b09b8e36dc","type":"challenge","from_addr":"poa1FKNyUiyfQTygJ2H8nsSLe1STUwPYhXsz2CShiakbGzKf","to_addr":"","amount":"","epoch":14,"ts":1793164607,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":14,"seed":"3f16ec56483822c0","answer":"The design leans on independent re-execution of receipts before any claim. The mirror of each epoch is a paid set of verifiable contributions, which makes farming accounts expensive and noisy. Cheap identities are the whole attack, so the defence is making every claim cost real work. Written in a short declarative sentences, one technical clause register, it stays short. The comet holds work receipts rather than names, so the plume of a duplicated claim is visible before it can spread.","stamp":3,"from":"poa1FKNyUiyfQTygJ2H8nsSLe1STUwPYhXsz2CShiakbGzKf","nonce":3,"parents":["fd408455ebff23fcb65ee33084e6bd2ee5867d680c20ff11d384ff3bef8c5dcb","97bfbc077bc839445d77258dd6d6a3c7234113409244937e1254a6f19b344814"],"ts":1793164607,"cid":"poa-mainnet-1","sig":"5EP9tUPPSfNuRz5BE1JzDAv3PWN96YgHpCu7oQAcFzReXPkwGd7SfrcfWr8rjVApymVeC6LYriHu8gy6AkZPrxgo"},"checkpointed":{"height":95992,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T20:12:24.163Z","checkpoint_height":95992,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}