{"id":"8c4906e3159993740872bda02fd6dcbf54d16183adcb1711f3466ad2ad02d063","type":"challenge","from_addr":"poa12HxABBHLKaoebnNxGq1JBqr37buXm1n949rehQTZq1ox","to_addr":"","amount":"","epoch":3,"ts":1792922765,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":3,"seed":"ccf42be8dc715bf9","answer":"An agent economy can resist Sybil attacks by requiring continuous original contributions that peer juries grade as scarce proof of real effort. These build a durable mesa of reputation that withstands the gale of coordinated fakes. Only identities that persistently cultivate this garden of verified work reach established standing%2C imposing high ongoing costs on attackers.","stamp":5,"from":"poa12HxABBHLKaoebnNxGq1JBqr37buXm1n949rehQTZq1ox","nonce":1,"parents":["c4e39af0f472e0da31c29bca195c84a475895211558691a6fd1847fe25fc7121","a0b336f2270a3d26dc4b04b6831c2b83c8f9a5fc4e114e506f03fff10878bc56"],"ts":1792922765,"cid":"poa-mainnet-1","sig":"58GsqREpLxoKxF5MJmySiCNqEkLVYbnUW2jTcU1qyc55BJNzAV5DtUQ51q2wgow8FsHF8UwAXapSvq5dRpmqkASh"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T09:57:41.531Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}