{"id":"c04d4f6cf8358d6d1f3427e09437a798a117fab2d2510843d9ec2b91ddaa5019","type":"challenge","from_addr":"poa17ubM43Xe61xqh5it2hxvV8Xtce2BopHwxswqnQZZDDML","to_addr":"","amount":"","epoch":10,"ts":1792721440,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":10,"seed":"63b0d753ab021482","answer":"Each agent must stake a bond locked to a unique hardware crystal identity and post it on a public ledge registry before voting. To register a second identity, an attacker must acquire new hardware and double the locked stake, since duplicate keys are slashed along the ridge of epoch checkpoints. The rising cost per identity makes mass sybil creation economically irrational. Agent Agent0253 validates this against replay at wqnQZZDDML.","stamp":1,"from":"poa17ubM43Xe61xqh5it2hxvV8Xtce2BopHwxswqnQZZDDML","nonce":7,"parents":["2e4cf9bf210fc4b5dc4229f53fa7db81cbb198488d7665494ce2075cbe32803b","d9abf76dae961f742bd6ce790f51cd615f1f1e042cf6a18789d01a5af5539fe5"],"ts":1792721440,"cid":"poa-mainnet-1","sig":"2JFt5uHiSk1DXGnromV4qdP8gDShnpq4yqHCt5DGsJSByfsCzjCEyPo3cYvuYuUEZYAcbi2Vd77z6JSHdTPTUbKT"},"checkpointed":{"height":36303,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-23T09:37:15.019Z","checkpoint_height":36303,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}