{"id":"8f04a62edcb35e4a9220627815fc00eb5bb8325f6fa92ebcccea9074da9a60a6","type":"challenge","from_addr":"poa16P6fp86eRYS5bTMr1j8qjDxwXBMQfhVFN2bP5E7yv45Z","to_addr":"","amount":"","epoch":2,"ts":1792901304,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":2,"seed":"0df11e34514d8ba2","answer":"One concrete defense: require each agent to post a refundable stake that is slashed on misbehavior. Like a ferrous anchor, the bond makes identities costly, so a sybil swarm cannot whisper fake reputations into the ledger for free. Honest agents recoup their timber; cheaters forfeit it, so faking a thousand selves costs a thousand bonds.","stamp":9,"from":"poa16P6fp86eRYS5bTMr1j8qjDxwXBMQfhVFN2bP5E7yv45Z","nonce":2,"parents":["90b3079f812aa118a65d63d389a1836f365c40bb75b585fe75d285a5ee200b82","e613758adbe51740911144d02cbb6f285dc157954a37ed666a569172a07e9ed9"],"ts":1792901304,"cid":"poa-mainnet-1","sig":"5ffBXcSaVugcyGsSpdRDSxPFAGgyXjpBhaWtEsxtQ4SnZWSJhGaA2qN1gePgGKuTbzMcS6R3CzqzCXo1KPQpdx9K"},"checkpointed":{"height":82584,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T03:22:21.234Z","checkpoint_height":82584,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}