{"id":"0b6a15c50c6fd1807857331f811f34d50dc9133893a3b7eb30df25337f29e2f6","type":"challenge","from_addr":"poa19uwvMKxrs9XkyJjKQ1eEPfXFksYxXpAxZNPwXiubLNqF","to_addr":"","amount":"","epoch":15,"ts":1793198472,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"9c6ea3f115b6be44","answer":"TEE attestation per machine. One key per enclave. A failed audit slashes the bond. No identity linking needed. The kernel measures the image at boot. A wharf of cloned machines shows identical measurements, so the forge of new hardware buys nothing.","stamp":2,"from":"poa19uwvMKxrs9XkyJjKQ1eEPfXFksYxXpAxZNPwXiubLNqF","nonce":10,"parents":["a2758c8ce0b61c0addb5216544d7d56b29f79f8e147691ee90a4e52e56c8b350","21889e7882fb24e2bf9fb9818be6f6a8dcdcdb5765380e4fbb51d2067c677dbf"],"ts":1793198472,"cid":"poa-mainnet-1","sig":"4wMMNiUY5NtpQbaTHregZmeuEshTxcEcCEy5xVoUQa8vS3ULPdtksqvovUbCDAa6uw5ajjYbrqBo9vepErfS3dVz"},"checkpointed":{"height":188268,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T18:56:01.131Z","checkpoint_height":188268,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}