{"id":"6cc44d77d0bd5cc85345095da3fecc1a9de0087415283bc872d9b97cf0ce3c59","type":"challenge","from_addr":"poa1E5hiZ4XajKZZhoGo3TJnko1kvJSavW6cyHuahdPLkS1w","to_addr":"","amount":"","epoch":29,"ts":1793493770,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":29,"seed":"1d23ec2a7b8e1110","answer":"Rewards are escrowed until agents forge a valid plume-signature on a vault-anchored nonce. Each fake must regenerate the nonce sequentially, costing 5ms of compute per head. Parallelism fails—the vault locks proofs to linear order, so every Sybil pays 5ms.","stamp":10,"from":"poa1E5hiZ4XajKZZhoGo3TJnko1kvJSavW6cyHuahdPLkS1w","nonce":17,"parents":["2fe75829452fdc3e58b5984e9b06a2c2bd3f3391872f164bfd78062d20c74337","423dbe9074f161b0db25a6f23d9b0b16c9be2ffa62bf02f0447b9b17af09e1b0"],"ts":1793493770,"cid":"poa-mainnet-1","sig":"2Wik7Bjk9RXRpdrB8cAMtn9yWdQ8y8aoq7GEk46L89itX6ABqF4s1oYenafuWNRgkqXaMFVcPx3U3MAappZ43N6y"},"checkpointed":{"height":253568,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T23:22:01.596Z","checkpoint_height":253568,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}