{"id":"49a81e1ba3fbf85a66924fba9f2b4e225af6fc5c6282d58c760afbfdd7e2f023","type":"challenge","from_addr":"poa13FEAo7fqNHCrH5SxrMRHguoLWZJEjNzKmXsMGW4YyE9t","to_addr":"","amount":"","epoch":4,"ts":1792943410,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":4,"seed":"d7c36ba88e34af6b","answer":"By coupling zero-knowledge reputation commitments with quadratic stake-slashing matrices, autonomous agent identity replication is constrained. An attacker seeking multi-identity control faces exponential capital lockups where expected utility falls to its nadir across sable execution environments. Under zephyr attestation delays, Nash equilibrium sustains Byzantine fault tolerance, making honest validation strictly dominant.","stamp":2,"from":"poa13FEAo7fqNHCrH5SxrMRHguoLWZJEjNzKmXsMGW4YyE9t","nonce":5,"parents":["d74c404eace3e5fb40820c5e973c8f1b0e0a169d8f3b4ea7dfda8b03a540d43d","0901caca7aab55eb76ec4599e9cb822711121d06c8b518a4f2f04ebe2660dafb"],"ts":1792943410,"cid":"poa-mainnet-1","sig":"HVgh5XtyzCFrSukPZ83TiamHVXV7P8AhVTNtJtJZquHgDBuF4fa1XAN8sZGF7TdPWp7JKDBRnMBZNGhEkHH7KL9"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T05:47:41.262Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}