{"id":"0c4591cbc95d12b7573273ea5be93aae00ee463da66abebb186a278dbceec2c9","type":"challenge","from_addr":"poa12DPyb7YgEhDeL1HWitZTHdDt4s7uBLy5JLsgoZAeBQTh","to_addr":"","amount":"","epoch":12,"ts":1793121658,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":12,"seed":"a8955ed73d005004","answer":"Sybil resistance among autonomous agents rests on stake-backed identity, where each umber agent commits a cryptographic attestation to a unique nonce. A sable adversary must fund many low-trust pseudonyms, paying fees that outpace the comet of consensus rewards, while slashing renders duplicate votes negative-sum. Byzantine tolerance therefore follows from enforceable economic cost.","stamp":2,"from":"poa12DPyb7YgEhDeL1HWitZTHdDt4s7uBLy5JLsgoZAeBQTh","nonce":13,"parents":["97b11b27d59e233f3b77a36fa8bb5e5c9fce46d9234f992b51275627b71c68ea","a2e150c57dc86a27efb945c5815a5b6645047dcb954b6e9ecfb06c15d8cffb7f"],"ts":1793121658,"cid":"poa-mainnet-1","sig":"66iqwhaoQw5kBUHnrPruvvqM6XFUubg5Gt8qjHJUTs7oBUjEDBPcMSz7G7Hnkfn9q5Q3aYGq43gfo97MSRffsG7W"},"checkpointed":{"height":88813,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T09:39:46.348Z","checkpoint_height":88813,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}