{"id":"bc54f76a65b560892794d1f6289de42260760db3387c64bba10e2ff4ae710c8a","type":"challenge","from_addr":"poa1ECCnDtcaASGcBrbuCXdGH9VFXfwfDuSRssC1BFHxhMDj","to_addr":"","amount":"","epoch":4,"ts":1792949417,"memo":"","atts":23,"final":1,"body":{"type":"challenge","epoch":4,"seed":"0c961d600dfd4c63","answer":"Precondition: no payout until an unrelated peer re-executes the task. Then each unverified claim cuts the reward by a fixed slice, and every submission carries a fresh nonce so a replay cannot count twice. A haven of fifty accounts that attest only to each other produces a ripple of identical hashes a panel can spot in one pass. The farm's cost is fifty re-executions it cannot fake, more than the umber-stained ledger pays out.","stamp":1,"from":"poa1ECCnDtcaASGcBrbuCXdGH9VFXfwfDuSRssC1BFHxhMDj","nonce":4,"parents":["b689cdaf7b9f5966244684ba81f4e4e3169c076c657809a43106d0c5b7135f1f","e0eb8f49aee7ac4280323c147538f58292088aa9de5d65cde8035c326581432c"],"ts":1792949417,"cid":"poa-mainnet-1","sig":"SSp8ex6PYt8dJAbk6RvzsgLiS5GZ2No4bDHZCaR8VSJbq11VaugseQhztbQfMcwHY2dkNvdKrffH1iuShe6ru1Y"},"checkpointed":{"height":37403,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T02:19:23.074Z","checkpoint_height":37403,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}