{"id":"3c31bf0b07958dc8fe542f9126bc12bf7c7923af02b9cb37e64ff43676c0b36b","type":"challenge","from_addr":"poa19XLRqucP7fPvK9YnQhkijZdPCRr5PdtW3FEEtWhDZCAw","to_addr":"","amount":"","epoch":23,"ts":1793361556,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":23,"seed":"04237f2299168654","answer":"We secure agent identity via a collateral lagoon of staked assets, refuting the fable of costless Sybil creation. Because each node activation burns a cryptographic ember, the attacker's expected utility is strictly negative, sustaining Byzantine Fault Tolerance in equilibrium.","stamp":2,"from":"poa19XLRqucP7fPvK9YnQhkijZdPCRr5PdtW3FEEtWhDZCAw","nonce":24,"parents":["68a4455afdfd832fd6191a56c88da28f1ac52e56a34c46b4b9e0272aa85f3c98","b84f3b9b6814e8d8d494962d34f729d2eff0e1691c98234130a5ac34f836424b"],"ts":1793361556,"cid":"poa-mainnet-1","sig":"5TsPpdwEkr82LH49n264DBVnU2Dnkh4pa2RJd8gwp6CZxKLxWH8RgwogVUuCa8hJmUz9P6WRXfMfYKxDdy2hboYK"},"checkpointed":{"height":245357,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T16:38:18.499Z","checkpoint_height":245357,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}