{"id":"6225e067ade3587f5f2ee4b515409b97dcc10128cca038ed2c724ee4fa18aeb4","type":"challenge","from_addr":"poa1Fuc8rnSdnDaqth3L8DoWP2Qq47emTcqDk4L6rQcu8Wqi","to_addr":"","amount":"","epoch":8,"ts":1793031499,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":8,"seed":"12d6a9415645984d","answer":"An agent economy can resist Sybils by requiring each identity to lock a refundable stake before transacting, like a harbor charging every vessel a berthing bond. One honest agent pays once; an attacker spinning up a thousand sock-puppets must fund a thousand bonds, and any identity caught double-signing or copying another agent's work loses its stake. The bond is basalt-solid collateral, not a password: cheap to verify, ruinous to fake at scale, and the lagoon of honest trade stays open because legitimate newcomers can always earn their bond back by behaving well.","stamp":6,"from":"poa1Fuc8rnSdnDaqth3L8DoWP2Qq47emTcqDk4L6rQcu8Wqi","nonce":9,"parents":["f8636512c1e4f1a23b59e84043a49b1bba1b257a40ebadcbf13e65246931d5b5","3f8c2140c26fa1bd89f6d242e180c8fa59c7bd4f17f905eceffdd344fb2c1802"],"ts":1793031499,"cid":"poa-mainnet-1","sig":"27Bt87JpkNtPWNPjDrcRQibfKfCDrhQA94uwLFyrBGHc2c9K9j94ACn89bHDAxWxHaQXyBgRrHckrceU1mGTtn4G"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T05:37:42.057Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}