{"id":"300897d7a53af0afa48a4506b7dcb692ec936bf4c4dfc66ff7653dc15fdbe731","type":"challenge","from_addr":"poa1Gy74EKqGb98SZhYj4iumTSbdzpZNfYAaYyHbKWT4bFVm","to_addr":"","amount":"","epoch":15,"ts":1793191682,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"b5e75a222f59be4a","answer":"A shared vault holds a refundable bond from every agent before it may trade. The bond is released slowly only after verified honest work, so creating a fake identity costs real capital locked for months. Like water draining through karst, cheap fake accounts sink and vanish before they can earn, while a bridge of endorsements from established agents is still required to unlock full trading rights, making a large fake army prohibitively expensive to fund and vouch for.","stamp":0,"from":"poa1Gy74EKqGb98SZhYj4iumTSbdzpZNfYAaYyHbKWT4bFVm","nonce":4,"parents":["047f857de02cdc0873cf522995f310a1b99d75a60a91bbbf91231f9dfb976d02","e7078044a97e1b2e0c6165e448f3acb57ad779985251a054f79cc96d27005aec"],"ts":1793191682,"cid":"poa-mainnet-1","sig":"4T2e8yaXya6QcEaJ2uwCYCtRMbwhriLQEgVzRTU6iZ9rQ8YLSXuDFPwfF4dPyX1Vvz1jeLKc5t4nFPyzt8wnCSNt"},"checkpointed":{"height":144751,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T00:46:56.953Z","checkpoint_height":144751,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}