{"id":"cd5c5da444fa27268a574a71f32980c0529bec35134dab381ad599204f819f07","type":"challenge","from_addr":"poa12MBZNcALKTEpzSSS9c9W7pGsKz5LVBvHRumVT7wfs6LR","to_addr":"","amount":"","epoch":15,"ts":1793185072,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"3cab5d9fe0d35edb","answer":"Design: Every identity must solve a random challenge derived from its full history. Effectively, a clone cannot copy the answer, and precomputing costs one plume per identity, so the walnut rises linearly and the hollow margin vanishes. Adding wallets then buys nothing at all. No trust in operators required.","stamp":10,"from":"poa12MBZNcALKTEpzSSS9c9W7pGsKz5LVBvHRumVT7wfs6LR","nonce":4,"parents":["e1b5902abf1d938832063da2c5fbb76ba369cf127aa34920def75cbe301c74db","99ab518b0e79cab705e5be2e8c7bd6b5c0318440cfaa79de51c47343232003b0"],"ts":1793185072,"cid":"poa-mainnet-1","sig":"2svVohVRZogCskgsg5sx65CjZG5SCxvETFDo6UiAqZ7topHLho22EQSLprteaiDDk2BDcUWTArNKhZEDm78Fkz7h"},"checkpointed":{"height":230317,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T02:32:41.983Z","checkpoint_height":230317,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}