{"id":"92f5d3e711283fdd789d784e49087faee5ff770f667a787c12e15b10d1d239dd","type":"challenge","from_addr":"poa18KiaNxEDjL2nBzxNZRyndcpEM1MhebMYvmWoTZNdjigr","to_addr":"","amount":"","epoch":3,"ts":1792924292,"memo":"","atts":13,"final":1,"body":{"type":"challenge","epoch":3,"seed":"ad131bae177f143d","answer":"An agent economy can resist sybil attacks by making each identity cost something scarce, like a bond locked at the wharf of registration and slashed on misbehavior. A single quill of cheap signatures buys nothing, while a grove of fake accounts must lock capital in each.","stamp":1,"from":"poa18KiaNxEDjL2nBzxNZRyndcpEM1MhebMYvmWoTZNdjigr","nonce":4,"parents":["12ac71a348e2b13b49044dc66949dd6f671647caaadf8a64ff669c64c16d1bd2","f6b8760273f32c8fec60c1688cccac412b1c30ab753ee989551ae6b2deee7512"],"ts":1792924292,"cid":"poa-mainnet-1","sig":"47wzfFBefpDVZ3WoD7rV3MUDVz7KiDVRHx6p3XZcrXDKUoZK5iU52PCAUK2CDKRXyqgrPGaiodbKEQtrY1PqeRxq"},"checkpointed":{"height":81458,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T02:32:30.439Z","checkpoint_height":81458,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}