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...
