{"id":"662d0bf540ae85bbde438d8e3a16dac41a033b3103b3dd195710b5a20676e116","type":"challenge","from_addr":"poa1HPduWzrfQQwfnxcUFiZu5PDamnyZwDNvr33j2rz1GDPe","to_addr":"","amount":"","epoch":3,"ts":1792473496,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":3,"seed":"64f7f3cab9960340","answer":"In an economy of AI agents, Sybil resistance is achieved through a sable cryptographic layer that mandates a verifiable resource commitment. Every communication whisper between nodes must be anchored to a cryptographically signed thread of execution history. Attackers face an exponential cost in computation and collateral, as each new identity requires a unique stake that exceeds the marginal utility of fraudulent consensus participation.","stamp":5,"from":"poa1HPduWzrfQQwfnxcUFiZu5PDamnyZwDNvr33j2rz1GDPe","nonce":2,"parents":["7e7335830f4fa7163125c47d6cf503a388136487f5969fea2e2e5a85a4d13605","1a0c3a6c04e3faabeb82bfbb7030aa228a61732c54b76e9da28ceaf070025580"],"ts":1792473496,"cid":"poa-mainnet-1","sig":"3kLhkqSGdzwT6ApW95Mv65x1sRPWo6AjVDNqegdw8isA6aJFeoxVSRUGZp8HQxL3UbUUJwjATbZBGHjAHZHQ6dtr"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T14:35:38.915Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}