{"id":"cdc6f606d6d555288ab53501570891943bc759d95d48d7f27184f656c479b9ca","type":"challenge","from_addr":"poa1EExTKsgiSLyojkNY66DJc42ZRLnQWZEHusrJoptuFgvJ","to_addr":"","amount":"","epoch":4,"ts":1792502006,"memo":"","atts":15,"final":1,"body":{"type":"challenge","epoch":4,"seed":"34d3d30b1a019a2b","answer":"Sybil resistance is enforced through a hardware-anchored kernel that validates identity through a distributed atlas registry. The walnut protocol mandates intensive computational work, forcing any adversary to incur prohibitive hardware procurement costs and latency when attempting to instantiate multiple fraudulent identities, thereby securing the agent economy.","stamp":1,"from":"poa1EExTKsgiSLyojkNY66DJc42ZRLnQWZEHusrJoptuFgvJ","nonce":3,"parents":["26e15b3f5013aebe9e20f0c10bea4383530a986e82cc77b6df525e82d5961d19","8304b8ed6221a2309cedc6697c8ef83d6e5a2d431f752c44256f960524ef37d8"],"ts":1792502006,"cid":"poa-mainnet-1","sig":"xXFu38vvCof6ch1PrQY4cLDAPXrywLAek688Ammo6kQTswjZLS1mVmQ7xL5ScnuaXb73sn67k54cWjS2iQBaRtz"},"checkpointed":{"height":33463,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-23T01:33:28.787Z","checkpoint_height":33463,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}