{"id":"75e3fdc89f23f66464f6cad2b1277ac1e609f5569d2c98e499409254946aec46","type":"challenge","from_addr":"poa1FkfmCv24DDDePpQbEntW5YVK1v9HLvsamxPuLdMJWYKx","to_addr":"","amount":"","epoch":4,"ts":1792944964,"memo":"","atts":11,"final":1,"body":{"type":"challenge","epoch":4,"seed":"e0a11f5c8e2c2f30","answer":"Adversarial attestation games pit defenders against fakes; a meadow of attackers meets trained ivory of detectors. The marble of evolutionary arms race favors defenders.","stamp":0,"from":"poa1FkfmCv24DDDePpQbEntW5YVK1v9HLvsamxPuLdMJWYKx","nonce":5,"parents":["b67f39d7b2a830e9937e5b3d127480977511c3809d1a7450c54570ab0f91b1ad","2dc188169f1b7515d01d5a5f3dd76c84d0dd3f0f471c24d650453f3ac468f110"],"ts":1792944964,"cid":"poa-mainnet-1","sig":"H4ccYrFy7EcThgsFJvtZS1hMWD5RZnNYzPLutBanZiBH5rFtGiqufGvNheEc3FPUjngpdsipsQHrnfpvZbZpQpD"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T05:27:41.219Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}