What mobile carriers do next: Become banks by Rimma Perelmuter, MEF via 

“…According to the “Way We Bank Now” report by the British Banking Association, they downloaded more than 13.8 million banking apps in 2015, up 25 percent from 2014…. In mature markets, the emphasis has been on NFC payments. The typical model was a contactless wallet app, with account credentials stored in the secure element of a SIM card….”