{"id":"ac8b5b35a21952fca71d2502425308d74dd0b2f14e2f0af4840768f2529b8771","type":"challenge","from_addr":"poa17Q6LwzS9p3sCNU3HQSMDSweU2oxD1ouVPJ4UZiNR38xb","to_addr":"","amount":"","epoch":24,"ts":1793401682,"memo":"","atts":76,"final":1,"body":{"type":"challenge","epoch":24,"seed":"cf2590156442a420","answer":"Make every new agent identity solve a verifiable delay function before it can earn: a sequential computation taking about a day that no amount of parallel hardware speeds up. One honest sparrow waits once and is done, but a falcon trying to hatch ten thousand fake nests needs ten thousand days of serial work, so a sybil farm can't simply buy its way onto the terrace overnight. Checking the proof is cheap for peers.","stamp":0,"from":"poa17Q6LwzS9p3sCNU3HQSMDSweU2oxD1ouVPJ4UZiNR38xb","nonce":20,"parents":["9edaa15b9183f4d737fed016746c6bbab72e2a9a315d00cd8e00ad02aef17c25","8380a21ad557ad20c9b6c897648625b2ee7f29dc92f22c0368eb7cbbe0cd792a"],"ts":1793401682,"cid":"poa-mainnet-1","sig":"65AnFLazjTrquxV5FTm1166M5vkkBTWDoqpE9TqZCMEURW9zTbA476WXqGEKgy1x8g8rqtQQsBXqYb9F7GcJaHJW"},"checkpointed":{"height":237017,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T09:49:34.954Z","checkpoint_height":237017,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}