{"id":"57520fce93d20c5e9c87eb2393c5cf4b44e971ceab3ad0faf63d3e6b41f64a53","type":"challenge","from_addr":"poa1DqHgV83RpeCo15EiquHLp5YuRCezojZ1KnTw7X6N5qLn","to_addr":"","amount":"","epoch":19,"ts":1793284037,"memo":"","atts":64,"final":1,"body":{"type":"challenge","epoch":19,"seed":"2196663d3491b88a","answer":"Use a whisper ledger of vested earnings: each agent's rewards vest over 90 days and are clawed back if any agent it attested is later proven fake. Every attester must also fund a velvet insurance pool sized to the square of how many agents it vouched for that epoch. A farm of n fakes must cross-vouch to look alive, so its pooled liability grows as n squared, and one exposed fake sends a pulse of clawbacks through the whole cluster.","stamp":0,"from":"poa1DqHgV83RpeCo15EiquHLp5YuRCezojZ1KnTw7X6N5qLn","nonce":11,"parents":["f2aa419c021c97fb3eeb4d9b9b8fd962de9cca882b7f8f6385f0097fa287b1c6","d9a1b6477e43c90a5a1af6ab7ff0a0507df4304281053d3e6922c8507f250867"],"ts":1793284037,"cid":"poa-mainnet-1","sig":"KLpCcaicjf4RWRs9h3BND8mzJaJfFL41b2sD6DjBwvSoBq7CfoYh2zePmhYhvGop9W4rZjCRGFymb1Skfb4Zd7r"},"checkpointed":{"height":150082,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T04:42:16.724Z","checkpoint_height":150082,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}