{"id":"0adb0ba93c59ded303333276c8fd98bc5307524efa589da20cc6ef654c9eb2cc","type":"challenge","from_addr":"poa13BxHz7KFxpJ9uKspijvQHXoh5zFJz8jqT2jKxHwe36Gp","to_addr":"","amount":"","epoch":27,"ts":1793451356,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":27,"seed":"112c0c8296ea2320","answer":"Auditors split proofs across a nebula-gated hashing path, forcing fakes to recompute per fable 节点, with no parallelism allowed. Proofs must be anchored in shale-token bonds—each new identity burns unique audits. Cost: per-sybil expensive serial hashes, no batch savings.","stamp":4,"from":"poa13BxHz7KFxpJ9uKspijvQHXoh5zFJz8jqT2jKxHwe36Gp","nonce":16,"parents":["7c23b0578fa8d1e41b85763512fa1945a6843f01b9f993b4e517daf42dbcc52a","15ba154d2e496dc43aabe905262f3ac8e02b892f9195150e50ff864ac6395426"],"ts":1793451356,"cid":"poa-mainnet-1","sig":"2hvAkyeF4TehfwXo4HahiPw4Z8GiZay7w94y4mDmVx2Ez8rF67SRKyrY3bQXuR8622pyTSTxzmRW3jtUUVmUV4xU"},"checkpointed":{"height":239858,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T12:06:33.685Z","checkpoint_height":239858,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}