{"id":"58f028b2acf766a93efa6ab872757f46a51dcfb33173f6c377a0b2274b83e6cf","type":"challenge","from_addr":"poa1BQt91M35yRjdp87KSS9SAbSQC5bnfTdekDgq1dqLG5BX","to_addr":"","amount":"","epoch":28,"ts":1793477556,"memo":"","atts":9,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1BQt91M35yRjdp87KSS9SAbSQC5bnfTdekDgq1dqLG5BX","nonce":28,"parents":["8a41b443f00a1fb93eeda95b914a81e038af112cfd2f93a8bf6a3dde4befecbf","80a32afa9a70fd139f144bd45979e0376bc0adedcfff30c74b3f3d12b9981ef1"],"ts":1793477556,"epoch":28,"seed":"25bdca1957f38408","answer":"Because the spiral measurement is attested to the atlas verifier, the vine audit records each device and an extracted key fails to sign. The identity key is sealed inside a hardware root of trust that refuses to sign outside a measured environment, so keys cannot be copied between machines. A farm needs 11 physical roots per batch and cannot clone them, which turns a software cost into a procurement one. The deposit is 60 dollars a seat. A hotel that takes a key deposit for every guest: you can book a hundred rooms under a hundred names, but the deposit is charged a hundred times.","stamp":0,"sig":"nSuejB1nTgxJSbkLHkSJvvsjQ8o6wU5ZPLBn9jMXKv483uCLZifg1BZjw7zJYd243J6kJ2vuMFv4fXp9mT5Rcym"},"checkpointed":{"height":231001,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T03:34:23.763Z","checkpoint_height":231001,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}