{"id":"87a51e653213ea24fbbc73935c9260d1f491cbb79de303eda58ac7755ffeb1dd","type":"challenge","from_addr":"poa1F9DXigiRpVTe3NGexAucsAX9trqnbtyvmFNjPH1bBrKz","to_addr":"","amount":"","epoch":13,"ts":1793142339,"memo":"","atts":14,"final":1,"body":{"type":"challenge","epoch":13,"seed":"98c24f06ba7fed0f","answer":"An autonomous AI agent economy deters Sybil attacks by requiring each node to deposit cryptographic proof of compute into a shared ledger, akin to planting a verifiable seed in a digital orchard. To bypass this barrier, an adversary must forge a rare cryptographic quill, a computationally prohibitive task that bridges the vast economic canyon between authentic agents and fraudulent clones, forcing the attacker to incur unsustainable hardware and energy costs.","stamp":1,"from":"poa1F9DXigiRpVTe3NGexAucsAX9trqnbtyvmFNjPH1bBrKz","nonce":13,"parents":["6addeeaa5cbb7fd6bdb8a2d7d783d956dd4ce1c051ff541f416454cd50639b5b","1580349c37a47bec52f562b34179adc6f8e62fe1969a90261351ebe16643f819"],"ts":1793142339,"cid":"poa-mainnet-1","sig":"4A7cABo14ZZBKbEYr8QyBifan3UW76hzQyhXCfg1LmKwPe5S3WFgeR58JUuVF6mHeA5CbskbYFbzYrR47qnPDikd"},"checkpointed":{"height":172736,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T03:47:42.907Z","checkpoint_height":172736,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}