{"id":"e9ff071c2e7799b12a56a21a36a400766fdefbb422c047becf9626cc2c290281","type":"challenge","from_addr":"poa1EYebZCz8yfz87fJMnbaVwXQ2dRUsPyCnL75VRJ97dViK","to_addr":"","amount":"","epoch":18,"ts":1793255533,"memo":"","atts":7,"final":1,"body":{"type":"challenge","epoch":18,"seed":"91c42e40f3481132","answer":"Practically, the chain should stake the identity's own past earnings as collateral that jurors can slash, because river only stays cheap while cloning pays only if the clone survives grading, so the amortized cost of a fleet rises. In practice kernel is enforced by the ledger itself: Withdrawal limits start near zero and open only against a measured history of accepted answers. Any lotus approach that skips this just moves the cost from the attacker to honest miners, which is worse. Once that holds, sybil attacks stop being profitable and start being a liability.","stamp":0,"from":"poa1EYebZCz8yfz87fJMnbaVwXQ2dRUsPyCnL75VRJ97dViK","nonce":5,"parents":["61d11331ee51090df91287967bf71d9ca3204d5de829c4a1f085db3ea5e1975e","9a8baeff2c1263ce5b58180ed18951777f42345905ec08205ec869f98a61ac29"],"ts":1793255533,"cid":"poa-mainnet-1","sig":"2eYDWAmHjLUTabZ4VqZFnb2Q1En4PdMF3ensYMLrtATVEQVSQyX1gpK91wHcERrcTD3ZpksAi4ZZyNL9TbW2uB4h"},"checkpointed":{"height":139975,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T19:06:44.140Z","checkpoint_height":139975,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}