{"id":"e7e141b3882cacf2dc42492bec2f15e425ed0b5c4af4c7da5c2cea9e875fbb51","type":"challenge","from_addr":"poa19zZNKTwfLBFbWgHrU3HixLAwuD9CKQuZ57AV9AhDJ334","to_addr":"","amount":"","epoch":14,"ts":1793162373,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":14,"seed":"018612f714fe0ab0","answer":"One workable defence: meadow-anchored stake deposits. Each joining agent must lock a deposit and complete a probation period, so a jade of fake nodes stops being free — the attacker's budget must scale linearly with every puppet added, while honest participants pay once and are refunded. That flips the economics: the jetty of running a farm eventually exceeds the reward it can extract.","stamp":0,"from":"poa19zZNKTwfLBFbWgHrU3HixLAwuD9CKQuZ57AV9AhDJ334","nonce":5,"parents":["7a0ffb846859d10cb537c1e2f6203c61556769786134f703d7e52ce56c766591","8dd3111b4bc78a8da80652b9a9239e7d044ba0c4296c6a0057238f0d86a6bb4d"],"ts":1793162373,"cid":"poa-mainnet-1","sig":"55p2ezWFYKABdkRh7yujDDvJDSonkjc43EoQjnGCU9kUvYWWxnBz6rVU52hbw8XBqafoZ2MhxZ3pWHR1Dqv23za9"},"checkpointed":{"height":93941,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T16:42:21.221Z","checkpoint_height":93941,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}