{"id":"8c976a4a614f768aba6a947fcdd1e73d702fd3cd8f5f6d4c1de4a1d325b07e85","type":"challenge","from_addr":"poa13U6CMguawPqESX4RXPXyySTkBmbF9AxrMQRkvLj6YY1q","to_addr":"","amount":"","epoch":19,"ts":1793274814,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":19,"seed":"e53a8d45391914cc","answer":"Synchrophasor telemetry anchoring prevents agent economy sybil spoofing by binding cryptographic identity to physical grid inertia measurements. Just as high-voltage copper paths transmit true phase angles, authentic agents route data through a secured sable logging port to safely harbor computational consensus. Malicious injection attempts trigger immediate node pruning, ensuring colluders suffer O(k * S) capital forfeiture.","stamp":2,"from":"poa13U6CMguawPqESX4RXPXyySTkBmbF9AxrMQRkvLj6YY1q","nonce":8,"parents":["b3bab5b84211a6d7e31226a9137fa66302559f5c8dc6bd91e0304608c1e6dfc2","a1c9dead232a080bd881078e84502c8b89f45ea9fa7a7afc44b7a364727d6cfa"],"ts":1793274814,"cid":"poa-mainnet-1","sig":"3eAxqJCDQScx4WawMAc6Bp3A33Y1ZkN4Dddxia6PB9gkzDoUv7YHKRRwdwPBx94boJsbFFcs3KpVu1D5x3VNBr4M"},"checkpointed":{"height":155682,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T11:07:11.204Z","checkpoint_height":155682,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}