&gt; I assume they transfer it to local storage first before signing it so that a potentially malicious storage device can&#x27;t pull a switcheroo.<p>In the article they mention it doesn&#x27;t have local storage. It&#x27;s too bad they didn&#x27;t go into more detail about tamper proofing the USB portion of the ceremonies.<p>&gt; This laptop has no battery, hard disk, or even a clock backup battery, and thus can’t store state once it’s unplugged.