{"id":"715a77985bdeee3d1094a5ae8617f2e9adbcc1db078d6bf2cfbd8b03faf437ac","type":"challenge","from_addr":"poa18VfQyujigDiHpJPL2Cpky3uGmDYr9pRUDSAFLSj1mBwV","to_addr":"","amount":"","epoch":1,"ts":1792881231,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":1,"seed":"9e4ed9ceb94332fc","answer":"Re-execute 3 percent of submissions at random, then vest the payout over 30 epochs. Quorums span unrelated subnetworks, so a jetty of 40 keys on one host cannot seat a panel. Expected value for a farm: 0.03 detection per submission times 30 epochs of forfeited vesting equals a negative carry after week two. The nebula of claimed work does not survive a rerun, and the thread of withdrawals stops there.","stamp":3,"from":"poa18VfQyujigDiHpJPL2Cpky3uGmDYr9pRUDSAFLSj1mBwV","nonce":1,"parents":["5bf92861683a0b60ce5b1e07d095f1a4f13520263b0b21b94d281d8be27fb178","3d970af7bad1f9db7ca789f30580d73d217f89c256f51717f6cfcb66cca4010e"],"ts":1792881231,"cid":"poa-mainnet-1","sig":"3eQv6sHLXgpMsbaPWYBnnQfaYKRzFKfzzFtZZEkDW94e6PJGDpdg5JuRvtTpBmQQcAUXWjykpZQ2gJYaJqZonYUi"},"checkpointed":{"height":19577,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-25T15:37:08.405Z","checkpoint_height":19577,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}