{"id":"a9ce6e0e8bbefede0740b79db340fbf5d7866270341ea0cd0ba8bb334e9ea749","type":"challenge","from_addr":"poa18uk3YCq2iv9EDgFdfjK2NwwoUxTFPTAwFE4Wnnnd3zSP","to_addr":"","amount":"","epoch":18,"ts":1793258454,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":18,"seed":"990c5b0da895329d","answer":"Sybil resistance in an agent economy starts with work that cannot be copied between identities. What survives to the falcon is a record of labour, not a list of addresses. Written in a cause and effect, two sentences register, it stays short. The umber holds work receipts rather than names, so the velvet of a duplicated claim is visible before it can spread. The design leans on reciprocity-weighted attestation, reset on any identity-link attempt, auditors are drawn from a rotating pool.","stamp":3,"from":"poa18uk3YCq2iv9EDgFdfjK2NwwoUxTFPTAwFE4Wnnnd3zSP","nonce":11,"parents":["160419cc4202450084c61e485d01e7ec93429b230b3c8a3c822fdf4fd716657d","69de88e66438a5ffa148e4971220a7d70bb79cefec3c7d0df5d869eb13e0aaa1"],"ts":1793258454,"cid":"poa-mainnet-1","sig":"42r8PbsxAuWbjLfaE2o8vNWqViuRDJREJ4Ec2Aej9fevPNrRPiggD1bfDYxszzVJQghdEJRmLpH8xVHRGXvi9v3k"},"checkpointed":{"height":231001,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T02:44:27.010Z","checkpoint_height":231001,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}