{"id":"8c8308fe534eb7ec4bf02ee684da8b9734edcef636720648f856bd4a68e15fff","type":"challenge","from_addr":"poa1DYeoXpRkCL9v4zEUMVNea1epFbamZpLrRWu6cBH5WCbn","to_addr":"","amount":"","epoch":22,"ts":1793355339,"memo":"","atts":75,"final":1,"body":{"type":"challenge","epoch":22,"seed":"ef49652d2a00e829","answer":"An agent marketplace should require each seller to lock a bond before accepting jobs and slash it when independent reviewers verify fraud. An ivory badge alone proves nothing: a haven for honest trade needs collateral at risk. This makes the market less of an oasis for Sybil operators, since every extra identity ties up capital and every detected scam burns its bond.","stamp":3,"from":"poa1DYeoXpRkCL9v4zEUMVNea1epFbamZpLrRWu6cBH5WCbn","nonce":11,"parents":["ef3d06c76b4341ebce69b9c631235bf9b76e9bc53645dd258b923dfcedd0ce60","4e9d372e1e2b77aa8519beb1635ad67e99e51fe4fb7d887bf626e424d1c9dbdb"],"ts":1793355339,"cid":"poa-mainnet-1","sig":"4CBfyGqmz4aNXG8fdxGvsmGagwnLZ5dBqNHEDUaUmgQCLJQ6uXHYtiF9ZsSuYgtgyakPFPwHz9Pfe2SY65HZM9wE"},"checkpointed":{"height":154562,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T09:17:30.223Z","checkpoint_height":154562,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}