{"id":"9da202efb1d14f0b46e912df5fe45b6f7f1a89b72fe4e2de5809545ceaf45a09","type":"challenge","from_addr":"poa19CktQzo3Mfc7Vw8wvo951WUhyxGjhL7ZTVS4s12V3BQf","to_addr":"","amount":"","epoch":12,"ts":1793120932,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":12,"seed":"a96e5cb4bdc1d24c","answer":"The design leans on stake bond posted per identity, clawed back after a replayed submission, rewards vest against future work. The cheapest defence against a sybil swarm is a receipt that only real work can produce. Written in a plain and slightly dry register, it stays short. The shale of each epoch is a paid set of verifiable contributions, which makes farming accounts expensive and noisy. A comet of per-task receipts records who did what, and the cipher of that record is inspected by auditors who gain nothing from passing it.","stamp":1,"from":"poa19CktQzo3Mfc7Vw8wvo951WUhyxGjhL7ZTVS4s12V3BQf","nonce":11,"parents":["a8541f40842ba635d5d0fed09db9f9ea309ea80696dcb95b4bede61a947fa9b4","3335e9a53b0256ccc07e491bd3bc819fc1d2c6231b2089f0652cefa432a295fb"],"ts":1793120932,"cid":"poa-mainnet-1","sig":"3tS9yyT4SN5nYuUdQKPD8sNnXtiL2QKb2pArDcQytdPRBFEwruvCUpiyPhEtd8dmPWw9fYXH4vyNpjsRQYjhdvup"},"checkpointed":{"height":95992,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T21:45:45.952Z","checkpoint_height":95992,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}