Who doesn’t love a good Samsung patent filing? This time, Samsung’s flirting with the idea of a smartwatch that can recognize you by your veins.

That sounds crazy, right? Apparently, it’s totally plausible. Originally discovered by Fast Company, the patent filing describes technology that works similarly to a fingerprint scanner in a smartphone. Only instead of your fingertip, the watch takes a picture of your “vein structure and characteristics,” and stores that in its database. Then, any time you have to authenticate, it’ll ensure your veins match the initial imprint.

Read more at http://www.pcworld.com/article/3030167/android/youre-so-vein-samsung-files-a-patent-for-a-vein-scanning-smartwatch.html