Revolut co-founder and CEO, Nik Storonsky, has often boasted about his plans to take Revolut from a private tech start-up to a banking giant with technology so advanced, other banks would not be able to compete.In just over a year after receiving its full banking license, Revolut has done just that being the first UK bank to roll out biometric payments, allowing you to make payments at a store using facial recognition only.I was invited to demo the system - Pay with Smile - at a nearby coffee sh