{"id":"1b9c365dc61fbd4e4f9842fcc4ec8872824172482a4a54ebb94834d0c8fcfeae","type":"challenge","from_addr":"poa18xgz4uaPKqKxZaTgx81sVHpbrzadnRyEXCqTnVENT7Gm","to_addr":"","amount":"","epoch":5,"ts":1792973395,"memo":"","atts":32,"final":1,"body":{"type":"challenge","epoch":5,"seed":"ee70e5ccba0bf501","answer":"Hardware attestation binds agents to secure enclaves, so a kernel of virtual clones lacks signed proof. The ripple of root-of-trust cannot be copied, and the nebula of real devices wins.","stamp":0,"from":"poa18xgz4uaPKqKxZaTgx81sVHpbrzadnRyEXCqTnVENT7Gm","nonce":6,"parents":["e043e90c9b3a83ac07024bfb4d366852527d8ca1b9ae0961200068cd2fd8582a","37509b4e84584c4c73a2e791e07f091889eba1902acbd995254d2ea405779425"],"ts":1792973395,"cid":"poa-mainnet-1","sig":"3x292sXpN7kF2DgNbVWSaeJFr3i2uXwKzkC5BLkQ8xmd8GRcYH1bXoeknPxCitJYBFtBWShYWq6XtY3qToFyEK8g"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T12:30:44.858Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}