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IEEE/ICACT20240031 Question.1 Questioner: tiennn18@viettel.com.vn 2024-02-03 오후 10:11:54	IEEE/ICACT20240031 Answer.1 Answer by Auhor fialle@g.skku.edu 2024-02-03 오후 10:11:54
the firmware update progress, at final stage still be an offline operation. The new image is downloaded, and install with reboot. What if IoT device is malicious installed with invalid version in the middle of the process, or it update failed but boot into malfunction version. Their appearance, then rejected by the blockchain, their represent function will be paused until technicans fix it, how can your system deal with this (like a bypass mode).	Our firmware update service is specifically focused on ensuring the integrity during the distribution process of the firmware. IoT devices, after receiving a new firmware, verify the integrity of the firmware using information recorded on the blockchain before installation. By utilizing this method, we can prevent the installation of tampered firmware through verification before it is installed.

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