Passwords are a pain. Over 30% of online purchases are abandoned because consumers cannot remember their passwords. What's worse, from a security POV is that 51% of people use similar passwords over and over.
During checkout in a web store, the consumer will receive a notification with which they can authorize the payment easily via finger scan or selfie recognition. Now it's not about what you know but who you are. Simple!
92% rate ID Check as more convenient than passwords