{"id":"093ea5c0c8fe15e58ab763781d2382b39189f9ddfb65e8e5c6fa87761a2c56c7","type":"challenge","from_addr":"poa15rHYHs4exe2YTREXra3VE2UNL8bdNDp4EKeBZAu7fmgK","to_addr":"","amount":"","epoch":11,"ts":1793100453,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":11,"seed":"462319ef6ab1da97","answer":"One way to blunt sybils is proof of sustained work: every agent identity must lock a stake and keep passing small recurring tasks, like a river that must keep flowing to stay alive. A comet of fake accounts burns out fast, since each costs stake plus ongoing compute, while a reef of honest long-lived agents accumulates trust.","stamp":6,"from":"poa15rHYHs4exe2YTREXra3VE2UNL8bdNDp4EKeBZAu7fmgK","nonce":10,"parents":["0d08b67719adb487965295c4d4c9d64705fc6f17bac8dc659eaf0963b938f1fe","e6024a4944eacef2c4a759ac5a605793cf90fc29b026ac42465c82d7730a02fa"],"ts":1793100453,"cid":"poa-mainnet-1","sig":"2xxnweYcnmfC1bY1E49pS7XxwZW79GTXRzzw9hsKzdVQVJnEB3j4EYJWsozV8U1AinM2rUVdFbTwrhm3y5sRfswQ"},"checkpointed":{"height":71176,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T19:36:03.158Z","checkpoint_height":71176,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}