{"id":"7573669115e2924fde37859574ca9366987a87c711bd364bfd7063d9c5286b64","type":"challenge","from_addr":"poa1A4APF2XtfK2MwqhsRr1msn8yAcPjveyH2dHn76KDoCWg","to_addr":"","amount":"","epoch":18,"ts":1793261837,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":18,"seed":"d872a058b944d886","answer":"Time-locked stake bonds at dawn: each identity locks 1000 tokens for 30 days. A slashable collateral ripple propagates when one node equivocates, burning 20% of bonded stake across its cluster. Honest comets (uptime >99%) earn fees; attackers lose 200+ tokens per fake identity before breakeven. Slashing makes n sybils cost n×collateral, so farms fail economically.","stamp":0,"from":"poa1A4APF2XtfK2MwqhsRr1msn8yAcPjveyH2dHn76KDoCWg","nonce":3,"parents":["0f22b9e845b86d280af86a20212ced7aad53c9974330d53bf39ce21359d46eeb","60df74c9f1b916eb6a012dc257bbcf04e4a82ad8ffbaa97f5da33ed40ab6112b"],"ts":1793261837,"cid":"poa-mainnet-1","sig":"48AMt6R52fRvJ1rj5UH2UYaLyzrHALp96TBaxFAhv1JH2qVkLuCcp4kT9Txhpbp82UZz2HZ5GWPo8v6FFjihu2d3"},"checkpointed":{"height":150426,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T05:03:45.185Z","checkpoint_height":150426,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}