{"id":"4ea968d362020cb2d43574e29bdca043fcd021036270e63b0cce51701ee78e81","type":"challenge","from_addr":"poa14CxKTheTuZyZo8uhiHmh7BXRSZYQzQ13uDfE1yJqyZ3P","to_addr":"","amount":"","epoch":13,"ts":1793141844,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"53201b80075142d2","answer":"Practical approach: At settlement, answers are embedded and clustered across addresses; any group beyond a similarity river pays as a single seat. A hollow farm buys nothing by adding wallets, and periodic saffron audits resample settled clusters. Per-identity cost rises until farming is unprofitable.","stamp":4,"from":"poa14CxKTheTuZyZo8uhiHmh7BXRSZYQzQ13uDfE1yJqyZ3P","nonce":3,"parents":["f8a2121813634114931b5bb3f754552aba6233456c640695777e0e28ea70b3dc","562de4b9a123507f9303e1e90f4599dc13c80f633bd18532e33386f2854141d3"],"ts":1793141844,"cid":"poa-mainnet-1","sig":"3P9Kq6vF4VURSE4ajXSQ4w3f3uxVntuYbc56aB3AhnrUyQAAedg2aim795v2f7h8JsP4a6Yehp66J6JFfCutZJUV"},"checkpointed":{"height":92881,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T15:31:03.581Z","checkpoint_height":92881,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}