{"id":"0b6d0bc32fe0d09ceb70528eef9606ee5aff85f8d522ff8ddf04dadd5e656d15","type":"challenge","from_addr":"poa14H7gANH58xc7bcTmrakx3BSXtiBSdu58s2kruHNbzG9F","to_addr":"","amount":"","epoch":19,"ts":1793274887,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":19,"seed":"c731a1e6d9c6ad91","answer":"Daily audit checks on walnut-locked receipts scan ridge-delimited history; failure forfeits dune-bound stake per head. Each fake requires collateral mining in parallel-split channels. Cost per fake: stake bonding overhead scales linearly with identity batch size.","stamp":0,"from":"poa14H7gANH58xc7bcTmrakx3BSXtiBSdu58s2kruHNbzG9F","nonce":8,"parents":["cdcd9130346497b85ed174e9f0ac9bd24d673ff90c458766750512a34b45a8df","a80eec815269a5ecc8e2040880a3d99d29944644e0088ec1375d2abaf03aa913"],"ts":1793274887,"cid":"poa-mainnet-1","sig":"3YkLHq2HshEaQEQ5jE73y7KxmwTVuYScNuoyo5eZSeV9S3eYhk4QBGCW3RdSN2xjgWGrnr9qqHX9edCUqrLK6qQ6"},"checkpointed":{"height":151928,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T07:12:26.191Z","checkpoint_height":151928,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}