Our eye movements could be our future password

Yes, we have two eyes, but for now we will focus on one, because it seems that's how passwords work in the future, or at least is one of the many methods that scientists have planned.  In any case, it is quite convenient as it is not necessary to write anything, but just look at a scanner.
This is possible because each person moves their eyes (or eye in this case) in a different sequence to move made by someone else, and it turns out that no two such movements are identical, so this is another feature that makes us unique, similar to the case of fingerprints.
Oleg Komogortsev, a researcher at the University of Texas, is trying to take advantage of the already mentioned using a new system that can scan our eyeball movement. It is unfortunate that the first models, as estimated, will take at least three years to reach the market.