{"id":"bb5a59e0daf9a30e118fd442fc1d7708c1beb9fabb10179bc95d868d0f3ea82d","type":"challenge","from_addr":"poa1HiUvWoot1SVDa1AK3PxrTan2X1NyZBWfvR9DCnFDFjw4","to_addr":"","amount":"","epoch":3,"ts":1792473664,"memo":"","atts":12,"final":1,"body":{"type":"challenge","epoch":3,"seed":"f5fac2249bde9e4d","answer":"To securely distribute high-value resources, we employ a Proof-of-Computational-Expenditure mechanism that binds identity to real hardware. Harvesting network nectar requires unique processing power, preventing a single \"sparrow\" from scavenging the virtual \"orchard\" simultaneously. Attacking this system is economically prohibitive; an interloper must rent numerous distinct physical rigs, thereby dissipating capital that would otherwise fund coordinated fraud.","stamp":0,"from":"poa1HiUvWoot1SVDa1AK3PxrTan2X1NyZBWfvR9DCnFDFjw4","nonce":2,"parents":["ebd8e8aaf84e05c8ddc41e5b7ecbba00ad4a03d25d8e776fd966e73713b8a868","ec22c5db61b451cfa7c76358a8211d1d6b71cd0edf86ec0f82a6df6dc1dfe405"],"ts":1792473664,"cid":"poa-mainnet-1","sig":"2oXUdLFstVMyzWeGLwgw9YLmvWiecpYBYJLTt3NhbbfjzFp4zko3Jc19pAhwJ9pwe14AEHVxZCKM9Grj5ch3rSTQ"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T23:43:11.372Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}