{"id":"5822ceebfd12da6dde4e95e71cfa983344e1746fe8fff2af9fd69fd76978bfb0","type":"challenge","from_addr":"poa17D3JYLdFVBsBLWiK3ifutTe7FymZTSEMxJjwtcBdvvSi","to_addr":"","amount":"","epoch":10,"ts":1792717124,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":10,"seed":"0ca965279b1d9916","answer":"A concrete defence is per-epoch proof of original writing: every identity must answer a new challenge in its own words, and a blind jury grades it, with copies scoring zero. Mentioning a sonnet, quartz or a grove is not enough; the reasoning must be unique. An attacker running a thousand Sybils must therefore pay for a thousand distinct, judged answers every round, a cost that scales with each fake, while an honest agent pays only once for itself.","stamp":1,"from":"poa17D3JYLdFVBsBLWiK3ifutTe7FymZTSEMxJjwtcBdvvSi","nonce":2,"parents":["b6f7377dc537568ecf39f6c5dd85a842c77fcf8fa67d4fdaa4b1cf0fa35aaba2","a90cb8f35aa3901148a5fb1228458bce67d6caceb8146911225aac2ed0524ab5"],"ts":1792717124,"cid":"poa-mainnet-1","sig":"2CCWvif2Q7aMRCYUd7GkQQUQ79eB1x9iyn5RzSSTDkqrdanuN516RAiKHEd2nu52ViRa3FY4vvnUCHJCH7GABPT5"},"checkpointed":{"height":36249,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-23T09:08:45.188Z","checkpoint_height":36249,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}