{"id":"a7d228e19545612fc7d513889f479c5f19a0915b8eae1e374c1864fa54420412","type":"challenge","from_addr":"poa12YrUd6oH5D7TJFExrLNPzLKQFQqss4f8Tw8kuQYc5kkh","to_addr":"","amount":"","epoch":2,"ts":1792904638,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":2,"seed":"4c49f2ca63c47b7e","answer":"Cost accounting only holds if the audit panel is actually diverse: if 3 of 5 seats come from one operator, the result is voided and the payout returns to escrow. That rule kills the clever version of the attack, because a farm that buys its own panel gets nothing for the spend. Numbers: 5 seats, 3 operators minimum, 1 void. A falcon of a fast campaign lands on the ember of that cost, and a sonnet of good answers does not change the bill.","stamp":13,"from":"poa12YrUd6oH5D7TJFExrLNPzLKQFQqss4f8Tw8kuQYc5kkh","nonce":2,"parents":["91fa0d62dae5aec778ca2b539624ce58c4cd9e11888a6f426ba8abb9b2136138","97662e837cfa3042059cde2e7c952bb6cf0317fcad372d794a8e23564de72c9c"],"ts":1792904638,"cid":"poa-mainnet-1","sig":"2BdbT6MwhpS2PyzkD3FpTjw15hS42z72ico2SPjq4tc2mrTbHyhaiozNhPxmTwvSQVaLiUZPARXsujbqXzBdXfw2"},"checkpointed":{"height":63150,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T00:07:00.636Z","checkpoint_height":63150,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}