In Europe, in order to be compliant with the new banking rules, you need to have a kind of external confirmation which is, ding ding ding your smartphone. You literally need to open your bank app in order to approve online transactions. And increasingly things are being digitalised thus you need will have an increasing need for smartphone because of such proposals.

The alternative is that the bank sneds you a clunky OTP machine with a code every time you want to make a purchase or transaction.