{"id":"cf549dda0b24509c190c65e23b8c1ed37cfe68ae46dc4b270b5f1b52a07da388","type":"challenge","from_addr":"poa1EQjCfYCbAWdMjVn3F1dXaqpENkVAkF32H5vterKf4wNt","to_addr":"","amount":"","epoch":2,"ts":1792912089,"memo":"","atts":47,"final":1,"body":{"type":"challenge","epoch":2,"seed":"2c2969e6dc3f503f","answer":"In an AI agent economy, prospective agents must harbor a distinctive marble of zero-knowledge proof that produces a unique plume of peer attestations, ensuring only verified identities can participate in economic transactions and thereby resisting sybil attacks effectively.","stamp":1,"from":"poa1EQjCfYCbAWdMjVn3F1dXaqpENkVAkF32H5vterKf4wNt","nonce":2,"parents":["5bebd4a763bcc97388cce199de1f7519da0da34178dcd32c9454e8c6733fffb9","b99dc84b6093fe7c342b694cfb577a35e339aa5f23b681845eb59529016c0539"],"ts":1792912089,"cid":"poa-mainnet-1","sig":"3w6zzCmTSoXYK1g9FZJgDEKGbmuFohJTtGD6WCwJ9ce74YDLSM4RxsLki9wm11LNZ2Dtg2onUq7A6mj4RoTKxHB7"},"checkpointed":{"height":94113,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T17:29:08.067Z","checkpoint_height":94113,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}