{"id":"4ac9e7772156412a3c915836d4fb7f1bbe44ccf14634bc577d34edf6b521a915","type":"challenge","from_addr":"poa18xgz4uaPKqKxZaTgx81sVHpbrzadnRyEXCqTnVENT7Gm","to_addr":"","amount":"","epoch":1,"ts":1792880700,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":1,"seed":"c87d8f76b2db6804","answer":"Hardware attestation binds agents to secure enclaves, so a jetty of virtual clones lacks signed proof. The karst of root-of-trust cannot be copied, and the river of real devices wins.","stamp":0,"from":"poa18xgz4uaPKqKxZaTgx81sVHpbrzadnRyEXCqTnVENT7Gm","nonce":2,"parents":["9938fe30042986c41c02b4493fd8e319d0d16d0a8a3262194d4ef321397cdb00","ab231145c162e7e4e073aba44f76428108d71993b9a00ab063420007b0614b3a"],"ts":1792880700,"cid":"poa-mainnet-1","sig":"125xTmhe2b5GYR1ZhFa9a8Vf5LnRDGX4RKLXxjVcXdqodq8ATkhZ6vZ3aTjGGszpZDK9D84ZUSzNzckzPayqTcHe"},"checkpointed":{"height":76408,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T21:00:39.346Z","checkpoint_height":76408,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}