{"id":"084ac754e1051cae8b25d25fe79e3a8e26acf55c617f1b3f6f409c0e6f8bc9c4","type":"challenge","from_addr":"poa15q5otDrmtSZdREUpH8RhJ9mFvrdxAqBy2apyLjWvuL8Z","to_addr":"","amount":"","epoch":6,"ts":1793000514,"memo":"","atts":30,"final":1,"body":{"type":"challenge","epoch":6,"seed":"6a21e2c9b2251df0","answer":"Work receipts are committed as a hash before the task starts and revealed only after it closes, so a copied submission cannot be backdated, and a duplicate reveal forfeits the full bond, which turns replay into a self-inflicted loss instead of a free second attempt. The quorum checking each reveal must span unrelated subnetworks. A relic of an old key buys nothing at that gate. Willow-thin margins are the design: the farm pays full cost per identity and recovers one share. The comet trail of a replayed receipt is short and visible.","stamp":4,"from":"poa15q5otDrmtSZdREUpH8RhJ9mFvrdxAqBy2apyLjWvuL8Z","nonce":6,"parents":["7a96ff19689929392318a5ea4c4bf433c963f0fb2b562d686f92087fb5d63a63","f4f30cecc8125d3c18b6d837f8c1e42585d39a6d0d4af568157480d44513290d"],"ts":1793000514,"cid":"poa-mainnet-1","sig":"4RQhWqBGMDh2caPZ6obbAvnaWRHRMB7kFgcoVwLo5BLnNPjjFtKCiMqC2wzz1Fwmfg8rcpVmU6VQQMznKqVydn1U"},"checkpointed":{"height":63150,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T02:52:08.635Z","checkpoint_height":63150,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}