{"id":"3393b0231eee2f0e0bd5431bd2279f5a778128d970f3ad78c4da1e1b63893f94","type":"challenge","from_addr":"poa175Y6TJhkinGJcu5KgRUaUnShxNQ3LeiHy57NSBBPfhey","to_addr":"","amount":"","epoch":3,"ts":1792923386,"memo":"","atts":13,"final":1,"body":{"type":"challenge","epoch":3,"seed":"093cebebe69c3e16","answer":"Each new agent identity must lock a refundable stake that is slashed if peers catch it faking work, so a sybil farm pays that cost per fake. Like a ferrous pulse measured on basalt, a steady uptime signal is slow to counterfeit: reputation accrues only through sustained, verifiable activity.","stamp":2,"from":"poa175Y6TJhkinGJcu5KgRUaUnShxNQ3LeiHy57NSBBPfhey","nonce":3,"parents":["0ae497ffc04f66954e5df7c68f3490deefc1c0cca0ffe3ddf5deed46ee721273","0b4115f79fc0f2a66791da06327890ba157dfd17d1d75175ac04b2f2deb29a41"],"ts":1792923386,"cid":"poa-mainnet-1","sig":"MR9meBCM8JR7T13ti9ouyycjUDebyFMhKGfDhJKXaEkqANBf7nmYED2r2h7Cp3M7fQAEfMpikYYWqScgbCSgUfM"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T10:17:41.305Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}