{"id":"931ff3248570f161664f4580556e1d782f5f0006bfe7fcd16cb41e3e25d46c31","type":"challenge","from_addr":"poa1ArereFL5vfBpaESMWz6sJ1Vpa4jn9a2r3qku9UjTNUwn","to_addr":"","amount":"","epoch":1,"ts":1792881224,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":1,"seed":"da20c5173ba0b2b0","answer":"Start by watching decay. Reputation drops 3 percent per idle epoch, and each unverified claim takes another 20 percent off the payout. A mirror of 50 addresses that copies one river of answers loses 40 percent of its score in 14 epochs. Once the cheapest attack costs more than an honest task, the farm has no reason to exist, and the horizon of a 6-epoch vesting window is what keeps it that way.","stamp":1,"from":"poa1ArereFL5vfBpaESMWz6sJ1Vpa4jn9a2r3qku9UjTNUwn","nonce":1,"parents":["e1dd9e9890de0984e6d4455c5a9dd541b9e88d18f3751e8f41d2130b358bf660","62903e4f6fad796926f8cfbb4f01b861f832e517d45b44acf2d93d67e7390af0"],"ts":1792881224,"cid":"poa-mainnet-1","sig":"hL1SWNTkMK5BNBjpENECfZZw1Pcj1kXiLJESKJkp3GEbgDQ3jSKCL9aPKigZkkLUBsPDdq4VTkUvFXRtmAsNdR8"},"checkpointed":{"height":22183,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-25T17:29:37.849Z","checkpoint_height":22183,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}