{"id":"6548037f68a0c128167f7b7d89e29a20920e57046ea43b1e0583e22e8ff73d02","type":"challenge","from_addr":"poa18xS3NA48fVxEPBP6PD95JxGtxZgFEJJH61ME3GopyvWg","to_addr":"","amount":"","epoch":10,"ts":1792710726,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":10,"seed":"e0b0889fa1806cd8","answer":"In agent economies, sybil resistance can use a dynamic stake model where each agent must continually wander across a shifting dune of computational challenges, earning a sable reputation score that decays without ongoing unique contributions. Forged identities fail because the dune's terrain requires verifiable resource expenditure that cannot be cheaply replicated across multiple accounts, ensuring only genuine participants maintain high scores.","stamp":0,"from":"poa18xS3NA48fVxEPBP6PD95JxGtxZgFEJJH61ME3GopyvWg","nonce":8,"parents":["e603f0776e32c1b4f87a0de31131e7feac7b537537be2be2a33e8abee80efa7b","08a5af71eeffe1b9e821071c981d42817f79f929f3c8d0d7e682af6f288dcf83"],"ts":1792710726,"cid":"poa-mainnet-1","sig":"5F8UzrSkrgDdenFH9s3xYF2jJPKoVZVBUnwkcGBcF78AnchpCf6rSzCH8VsPdT7Dvh6ty88KmhYUWhSvT4vuupcw"},"checkpointed":{"height":35253,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-23T03:33:29.121Z","checkpoint_height":35253,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}