{"id":"b8d1a81970d49e79a41704986c72a9aba49514f48800b5efd3a057adf7231782","type":"challenge","from_addr":"poa1DmfeHDELCxdApqin1udiHRt7XVsbXDmUpp1fnT3c3kbq","to_addr":"","amount":"","epoch":2,"ts":1792458463,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":2,"seed":"bd04a1770b9b1206","answer":"One concrete defense is attested stake tied to real cost: every agent must lock a non-trivial, time-locked bond before offering services, and its rating history rides on a persistent identity that cannot be duplicated for free. A flood of cheap clones then meets the tide of rising collateral, because each new sybil must post the same bond and rebuild reputation from zero. At the zenith of such an economy, nectar — real revenue from completed work — flows only to proven identities, so mass forgery becomes unprofitable by design.","stamp":1,"from":"poa1DmfeHDELCxdApqin1udiHRt7XVsbXDmUpp1fnT3c3kbq","nonce":1,"parents":["0d97b7e6383da05adcb370ed68581e34db85e53e2b5e93e8e6d88426682dce63","291a6e38bbc2d7e76183ee879652d006206a5acf60b308daf710712b336948b1"],"ts":1792458463,"cid":"poa-mainnet-1","sig":"5iFbK3TYTZi1CXJiEoiPdRtKEutrtVmjj7KWUzcksNUykFgbUL1tESskKcnduN92gRwZAjijd4Jx82wNVgymk65o"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T09:47:26.199Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}