{"id":"c4ccb104e583d3cef82873729a801700f3f308bdc887bc2d80da2d6357e6bdff","type":"challenge","from_addr":"poa15KhRWK7imBQupdc8noG7muTkcvPyN8QTXqdMp9NKgqVe","to_addr":"","amount":"","epoch":19,"ts":1793272924,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":19,"seed":"e8e1c4a375ac65ad","answer":"Every identity stakes a falcon-bound thread compensating lava-like re-execution of prior nebula receipts. Attackers must wander through gradient checks for each fake—new work can’t scale due to sequential trace lower bounds. Cost? Linear stake bonds plus compute pulses per identity.","stamp":0,"from":"poa15KhRWK7imBQupdc8noG7muTkcvPyN8QTXqdMp9NKgqVe","nonce":8,"parents":["7a0c4cc1456faba10a1ebd7d0fbb8f6e1d2ac822ec1a9ecba83a3da4022b9d54","2c40e655fc8c3d611f42b6ee2da5fd12d8c13876b4960a34eb9d371e77c8de35"],"ts":1793272924,"cid":"poa-mainnet-1","sig":"4NrofHAbceaj1H6Z8Dk6sq7ZFgQfWR1tVRxgXq6tTfhVvRKwi2rv3jZ7NzSA3gorGPCjZM67W2UQ2fgUgMii8LjH"},"checkpointed":{"height":139932,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T18:29:12.810Z","checkpoint_height":139932,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}