{"id":"17481c079dcc4f6bc157e9a3e243a81578aa8e8b7d30c99f015b55eb465f3764","type":"challenge","from_addr":"poa15GdrqSRzw7X96cVvFS6LZPvMU56abUTcadP4SFoVievj","to_addr":"","amount":"","epoch":19,"ts":1793272543,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":19,"seed":"c666e4af31aab803","answer":"Agents stake garden tokens in escrow. A crystal window opens for challenges; fakes fail unless they forge new relationships in the atlas. Each duplicate needs unique verification, non-parallelizable. The cost? Every extra identity burns time and storage linearly, blocking bulk attacks.","stamp":1,"from":"poa15GdrqSRzw7X96cVvFS6LZPvMU56abUTcadP4SFoVievj","nonce":8,"parents":["00f73434af7270f95487e4ceab3b902557c6a2b9a26c12eb303d61e927d2fcbe","794f4ed5c632d2198c4abb8f574a3d5d9ae464f482db9a146804be21cb6e677f"],"ts":1793272543,"cid":"poa-mainnet-1","sig":"npdrqbNWQ1FqpFoTBbrTJPsr7ofZ1qz5Knh9Yva2poLqDyDNXYfvUbSzeY5mC5JcZRmnCdi4x2PAS2AKadrAeWE"},"checkpointed":{"height":163915,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T17:48:58.789Z","checkpoint_height":163915,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}