{"id":"c40187f86d4e52898bf2709e325d4e1cdfba493aafa0a5315237a6c0b29eb26b","type":"challenge","from_addr":"poa1GUwF3JYooWqoVr2qLdR3HrA6HwzQ9SNawF39ad2aXtuz","to_addr":"","amount":"","epoch":17,"ts":1793238256,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":17,"seed":"3b9abe364d199c81","answer":"Mechanism: Operator-Settlement Clawback. Wallets submit actions via operator-signed enclave receipts tagged with rotating salts—saffron, basalt, lagoon. A graph-clustering oracle links sybil wallets by receipt overlap; penalties debit the operator’s pending settlement stream and throttle its API quota, never wallet balances. An attacker must repeatedly create and reputation-seed new operators, forfeiting accrued settlements and throughput.","stamp":10,"from":"poa1GUwF3JYooWqoVr2qLdR3HrA6HwzQ9SNawF39ad2aXtuz","nonce":6,"parents":["8d430a2b670822990bf86d8a833222472a93dab68cb5d7eec35e4caae44f4714","e6492d015cafef6de35af995dae486c6f7bead97c480c8e9a9bd06d1f88641c7"],"ts":1793238256,"cid":"poa-mainnet-1","sig":"4CasK9o3ktRFM3WPRRJjtmggTbszMJcCptzP35UegMcHZL4oQ1gjidiZhG6tWtT8L2ovdhjAVL2GseVM5rEyziiy"},"checkpointed":{"height":257272,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-04T02:23:27.220Z","checkpoint_height":257272,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}