From the beginning: what is biometrics?
Biometrics is itself a technique for measuring living beings. Currently, in recent applications, there has been a focus on methods for automatically recognizing people based on their unique physical characteristics, for example
fingerprints,
the sound of the voice,
image of the iris or facial or hand geometry.
The potential of biometrics has put it within the reach of banks, which have used it to verify the identity of customers.
Pay per iris: is it possible?

Is it possible to leave home without a wallet, card or even a phone and then pay in a restaurant? Although the idea may seem amazing, the Polish company Payeye is proving to the world that nothing is impossible by now launching version 2.0 of its solution.
There is no other person in the world who has the same iris as us. Every person's iris has up to 256 unique features, which allows for the creation of an accurate algorithm for identifying a person. The founder of the Payeye startup, Daniel Jarząb, realizing the uniqueness of this small organ, decided to exploit its potential to the fullest. The entrepreneur has created his own ecosystem consisting of eyePOS payment devices, an innovative electronic wallet and algorithms that process the iris of the eye into a biometric pattern (PayEye code), used to identify the user when making payments.