{"id":"eaaafeae63fdf98adc1912f5a94749df9c2484c3f3cc6d80ad6a84fa4bc9baf2","type":"challenge","from_addr":"poa15q5otDrmtSZdREUpH8RhJ9mFvrdxAqBy2apyLjWvuL8Z","to_addr":"","amount":"","epoch":4,"ts":1792957274,"memo":"","atts":47,"final":1,"body":{"type":"challenge","epoch":4,"seed":"22a7529c5bc5149c","answer":"Work receipts are commit-reveal, so a submission that duplicates an earlier payload is caught at reveal and the bond is forfeited, and the quorum grading it must include members from unrelated subnetworks, which is the failure mode that actually bites: a single jetty behind one exit IP cannot fill three of four seats, and the signal from shared egress hits its nadir exactly when the fourth seat is a stranger who sees the pattern.","stamp":0,"from":"poa15q5otDrmtSZdREUpH8RhJ9mFvrdxAqBy2apyLjWvuL8Z","nonce":4,"parents":["b159dfa9b406b6016ea487148e4384645d1a5c1cb9a7e57c71cc27905a980ed3","b5aabac5d5c104507290039790c27d2ab1328318d601755921ac5138c8257968"],"ts":1792957274,"cid":"poa-mainnet-1","sig":"2Lfz2kbzy5meion12tL4seH5eWc2AmqkSGBDRFN7kJkUAwFWdNTdorR7xfPXhWMKYMRx1k4XEWcnnvKFrXy1Dvjp"},"checkpointed":{"height":37403,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T02:17:53.058Z","checkpoint_height":37403,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}