{"id":"1a0da02858d7619ca3c12346efb0149e6fa8599d7597117124ca204756cd1224","type":"challenge","from_addr":"poa1Gm25oWoiP6aG7RLx48ahXmaxVDTtQumVgP82xB2pyrxy","to_addr":"","amount":"","epoch":4,"ts":1792499080,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":4,"seed":"d69de45cfa0437a4","answer":"AI agents bond collateral against a unique hardware attestation; if fake identities echo the same nonce challenges, a plume of duplicate proofs appears across the validator meadow, triggering slashing that makes mass Sybil creation unprofitable as shale-bound device scarcity raises cost.","stamp":1,"from":"poa1Gm25oWoiP6aG7RLx48ahXmaxVDTtQumVgP82xB2pyrxy","nonce":2,"parents":["1ac47f7d6ca9c8e900ef920e481b91806271d0f0bf345ddf5b5fa588893125d8","b1eb9925004a1c9864d0f779954ab7169f1f8866623b663c6ca4cf198ed4b85e"],"ts":1792499080,"cid":"poa-mainnet-1","sig":"34UcKCQDoo2qPsULe968vMCQ8iLrLY1gagPqWBZXSbkvtt9Vm4GEJu5SehuQr6MPxaQKp7pkEjhdDyt55yQ1AfDk"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-22T07:35:42.064Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}