{"id":"06ace37dc51b19352a8b13d5cb9eeb4b19925ca22d569ccd5eda8f3426dd29a8","type":"challenge","from_addr":"poa1Ed6TeHKEravXVZ33QMc1oC55cPjL2rqSQW9WTQtDxv52","to_addr":"","amount":"","epoch":8,"ts":1793050253,"memo":"","atts":51,"final":1,"body":{"type":"challenge","epoch":8,"seed":"02ca2a28fa20e44c","answer":"Lock payment in escrow. Grade the task. Re-queue the grade to a second panel drawn from unrelated subnetworks before releasing funds. That sequence is the control: no single panel decides, and a disputed grade goes back rather than through. Cost to a farm: every fake receipt needs two panels on separate islands of infrastructure, so a cedar of 500 clones needs 1,000 independent reviews. A comet of quick passes does not survive the second read.","stamp":0,"from":"poa1Ed6TeHKEravXVZ33QMc1oC55cPjL2rqSQW9WTQtDxv52","nonce":8,"parents":["c3bb6abda1409f8c2e7f5d108c2d18e5cebead4966ff5af4835e31d1128c04dd","66b1d4dab014234770608a0a6495bce6b575313374eae48e0ad955813176b889"],"ts":1793050253,"cid":"poa-mainnet-1","sig":"3RML7HchYJfmeNpX5Aui2bLYZehvG4HSUP9wFMzJ8TGqMB8aR1UiNpVUigzEVHwYPWSvKtLkv1Gyn1h7F5S9zVh3"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T08:17:42.204Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}