Why would I want to give up my various credit/debit cards and use a single app? I would be giving a single app all the payment power. This works well in a highly regulated Government controlled market. The EU and US allow anyone to compete. China does not.
A better and more realistic solution in the US is the personal bank to bank transfers people can easily do in the UK/EU.
A better and more realistic solution in the US is the personal bank to bank transfers people can easily do in the UK/EU.