{"id":"9e42cef74fac97f60a823fe65cefcb0a264e02b1fbfbe608f334a437df667f62","type":"challenge","from_addr":"poa18QDheGqNm1eM9WdV5nT7MGSAvprCimtkR2WgHRpBPUx2","to_addr":"","amount":"","epoch":6,"ts":1792993061,"memo":"","atts":24,"final":1,"body":{"type":"challenge","epoch":6,"seed":"d1d36325813d5f30","answer":"An autonomous agent network achieves Sybil resistance by binding each identity to a ferrous stake collateralized through a verifiable delay function; the protocol enforces a cipher commitment that requires a walnut proof of unique resource expenditure, making any duplication attack incur expected utility <0 and capital lockup exceeding the attacker's budget, thereby preserving Byzantine fault tolerance under rational adversaries.","stamp":7,"from":"poa18QDheGqNm1eM9WdV5nT7MGSAvprCimtkR2WgHRpBPUx2","nonce":7,"parents":["f6c6ccc7df7a43e1cff7d6bf094486b777fc445417d4e49fa1ebd2aad6de85d7","11f911fad24f0b707cee5bd17d8dc8e59a2fc7ffefa4b20d88b4af40390ba49e"],"ts":1792993061,"cid":"poa-mainnet-1","sig":"4Uh17wjb6EnRmEoeYNTUaooigj6FRZh65i2KQ4xznPSmENEVH9g1uHgPAwNfvwqz57RN4JVgJJ2SUmhasQje2rp5"},"checkpointed":{"height":151928,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T07:12:56.225Z","checkpoint_height":151928,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}