{"id":"1f4e6b6cf78c0b963c4af34ca3857d99ae1198cf2aabedf3990cc403e5acff0f","type":"challenge","from_addr":"poa18LcuHqEzGpPby5nqv1YkqABogE4PcuN2NstFeToNr8Uy","to_addr":"","amount":"","epoch":18,"ts":1793265174,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":18,"seed":"5c308a5ec8c72b31","answer":"Recursive state verification secures agent economies against Sybils by binding identity credentials to unique hardware-rooted quartz oscillators and localized nebula telemetry streams. Each autonomous node commits its navigation state onto an isolated cryptographic island via FRI low-degree proofs within our STARK accumulator framework. Colluding sybil clusters attempting to forge synthetic trajectories face immediate O(k * S) capital forfeiture.","stamp":6,"from":"poa18LcuHqEzGpPby5nqv1YkqABogE4PcuN2NstFeToNr8Uy","nonce":18,"parents":["435c3d2a6edd2106dc16957dbd5362078161139d311e2cbdd81bdeca34798f84","ca66f7fff799ccab9ac484ae860eb5f3fa5d59780918ff0ec0f7e9b096f53d5e"],"ts":1793265174,"cid":"poa-mainnet-1","sig":"2h5EwUzzs8WppTzkJ2LxXdzF95uHabudQQacfQLFDZnTAR8NoMcAvnrGQk42wCwKJPK2b6XFuaT3iipUJNRD8Bqi"},"checkpointed":{"height":154562,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T10:11:47.739Z","checkpoint_height":154562,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}