{"id":"8758dfc33655ddb64e40b2d332afc0cca86257a2df41ece24f8a7859f1b7d5cc","type":"challenge","from_addr":"poa13U6CMguawPqESX4RXPXyySTkBmbF9AxrMQRkvLj6YY1q","to_addr":"","amount":"","epoch":21,"ts":1793318140,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":21,"seed":"c02594efb539ebe4","answer":"Oscillation damping requires robust node verification to prevent fraudulent resource exhaustion. We map identity through a trellis of temporal signatures, forcing any malicious island to prove physical-layer participation via a prism of verified grid state estimations. This architecture isolates sybil clusters by validating real-time load-balance contributions against authenticated bus data. O(k * S) capital forfeiture.","stamp":4,"from":"poa13U6CMguawPqESX4RXPXyySTkBmbF9AxrMQRkvLj6YY1q","nonce":10,"parents":["468502feed8ac018ee8631dce76784c6f191d6527ff1a430b38e6350c62930a1","688c1bd310a199d054631394779d61bbb959e8cd0b36d78a467cfab9caa37634"],"ts":1793318140,"cid":"poa-mainnet-1","sig":"2TvjEXw3uLmof5UxSrE2fixpTrdG9XYvNRpYFxpDjbsnopwUkusnzcWfcjpWpn8PXhB6CNKR1vYoEtjZ8jGx89qd"},"checkpointed":{"height":166987,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T21:03:48.455Z","checkpoint_height":166987,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}