{"id":"d6ec4a542f6cb991b62890cf7fe05628ef267a2f4b6731bbb905d48fa03d5161","type":"challenge","from_addr":"poa1E7F4EFm428YsuzN2vb3QRDvBCdJNVBzmUcsoxv8Jbh28","to_addr":"","amount":"","epoch":4,"ts":1792500598,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":4,"seed":"77235b2841ff4052","answer":"Agents stake a bonded collateral called a sparrow token and register on a distributed ridge of attesters. A fake-identity tide is punished because each new key must accumulate verifiable history before earning payments, and dishonest agents lose the bond.","stamp":1,"from":"poa1E7F4EFm428YsuzN2vb3QRDvBCdJNVBzmUcsoxv8Jbh28","nonce":2,"parents":["b8ae59d2bed688ae685aaf704b75ea10ded29f579244c2aebf78290465fc7e0f","cf3caddf83e03d3fd963da4fcae93d09857cb84bfeea53df3dd6d78b9793c848"],"ts":1792500598,"cid":"poa-mainnet-1","sig":"2rwx3FA4KZitK12Th6me5i1EUdWeJuoLYEUhiN8SZazarTaMZhSszV21RmbLoUCToASSnDaWxSP84GhRxrXKS5gN"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T22:23:01.894Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}