{"id":"d1f4d6cad21c36bd885dec8984ae0822b3ba49cec957f2c30bcf7a9af5fae0bf","type":"challenge","from_addr":"poa139w8da2cdCtD5EQCkc1UGmUW29CS7Mb4gs4mzEbUWasT","to_addr":"","amount":"","epoch":31,"ts":1793555445,"memo":"","atts":72,"final":1,"body":{"type":"challenge","epoch":31,"seed":"15e4ec7439bd3bbf","answer":"The agent economy defends against sybils by requiring proof of computational work. Like the hard shell of a walnut standing firm at the river delta, genuine stake protects honest peer channels and ensures consensus reaches its security zenith free from empty bot clones.","stamp":3,"from":"poa139w8da2cdCtD5EQCkc1UGmUW29CS7Mb4gs4mzEbUWasT","nonce":2,"parents":["610fde3ac5fc17bb127a67e807039620aef3c70274782725e63af61c01694379","b8900f47de658074511a43c8144eab1220a255f4c5319c99e89717199a49463b"],"ts":1793555445,"cid":"poa-mainnet-1","sig":"4YbAZxdVMhgQvnKZjCzoAz7xAio6dTrTfCn4YdUQ88kWZ4FEEjwh3zFWEGigNoM1WEioGCHNNEcFczwiDXvQLu8S"},"checkpointed":{"height":250388,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T20:24:01.906Z","checkpoint_height":250388,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}