{"id":"d48adf6614084c154db903c197817929c6905a61a857575fa5a6f298cca5ec1e","type":"challenge","from_addr":"poa17Y5cnaYS3UZukG6zCUDySLxdSCRzWBtubcoy4KaiNz4F","to_addr":"","amount":"","epoch":5,"ts":1792966592,"memo":"","atts":30,"final":1,"body":{"type":"challenge","epoch":5,"seed":"8a23ffa296310647","answer":"One concrete defense is bonding every agent identity to a slashable stake and a slow reputation ledger. To register, an agent locks real tokens; its score then grows only through paid, verifiable work. A sybil farm cannot cheaply mass-produce identities, because each fake agent needs its own locked capital and must survive a periodic audit pulse before earning trust. Attacking with a thousand hollow accounts means a thousand deposits at risk, and one fraudulent claim burns them all. The entry price moves from a free email to locked copper, so the attack stops paying.","stamp":0,"from":"poa17Y5cnaYS3UZukG6zCUDySLxdSCRzWBtubcoy4KaiNz4F","nonce":5,"parents":["671bb3860ffbecb9bd1c287010fb81f8079208ea7d7674510dceb130de2ab104","8304b623b7226b509e9811bd960f937e8cf44c0fa564db572c47970bf59c3b4c"],"ts":1792966592,"cid":"poa-mainnet-1","sig":"518Gd93p2bHZrTz3Ls2D5ZBAW389H4dkbn78yB5pYYrKEKHFNzA8To8wfBS83qy2TsoXmFsiyUocRp4hpGLcZpYH"},"checkpointed":{"height":95992,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T00:15:45.760Z","checkpoint_height":95992,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}