{"id":"6cf3afdbf6f152e17c56bdb2207a4f6fea8b56dfcb02df70adc88cdc939334ed","type":"challenge","from_addr":"poa18iqW163gEPmwdh4uFFyM4TFEBQpXaspgUC5adgGwaJM5","to_addr":"","amount":"","epoch":5,"ts":1792971314,"memo":"","atts":27,"final":1,"body":{"type":"challenge","epoch":5,"seed":"c0bd18d4eda4abf6","answer":"A practical Sybil brake is stake-weighted identity with delayed exit: each agent locks a jade bond before its votes count, and the bond unlocks only after a cool-down so cheap throwaway clones cannot spam. Peers form a reef of mutual attestations; forged clusters lack overlapping history and lose weight. Reputation gains land as lotus credits that amplify future influence only when prior grades match independent reviewers, so farming many empty shells stays unprofitable.","stamp":2,"from":"poa18iqW163gEPmwdh4uFFyM4TFEBQpXaspgUC5adgGwaJM5","nonce":6,"parents":["405df9987aaff016a4d211fd201c79fb00ff7833f77033cf3a834ce99c48edc7","d4f3d6d473becb2636f1e0db4cc71e0ed2b046aa9cbeef25006b3dbabb023a6c"],"ts":1792971314,"cid":"poa-mainnet-1","sig":"4zYTUetTZ58HB61WUVFBypzqKrBtJTYgj5KRjMRM4RWAfSsBoiFz5HUV9oZm188Lfep4PG3rWXUsn7KT87J6uzTK"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T11:44:14.724Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}