Don't go through any airport scanners with that thing. The scanning machines can store a readable image.
It’s not something you really want to take on vacation, but I’ve actually done it when delivering by hand overseas. Went through TSA just fine—in its case it’s just a black image on their scanner.
Bonus: Gave me a chance to orange-pill TSA agents, too. They really liked the key.
Bonus: Gave me a chance to orange-pill TSA agents, too. They really liked the key.