People asking about what problem this solves haven't been to South Africa or Zimbabwe which in some ways are ahead of the West in creating cashless societies. The biggest bank is a phone operator and people can send each other money over the phone and from what I understand this is very common. Also interestingly most phones aren't smart phones. It's mostly analog. Banks have a serious incentive to create and encoura…
Ahem, ahead of the US, really. Canada and the EU can be cashless already, with chip cards and direct bank withdrawal at the POS a reality for 99.99% of merchants.