It's a metaphor that folded back on itself! It's not just a info about a real finger's print. It's biometric data like retinal measurements or Apple Face ID ty

It's a metaphor that folded back on itself! It's not just a info about a real finger's print. It's biometric data like retinal measurements or Apple Face ID type stuff. Btw, "digital" means "finger"! Digits are the numbers you can get when you count on your fingers.