Earlier quoted context omitted.
Could you elaborate? Genuinely interested.
Visa and MasterCard are basically redundant except for international transactions. We already mostly use QR code payments, which is a semi-open standard and somewhat vendor agnostic(with caveats). It works internationally. Japan has it's own card companies, and payment systems. Recently, some train lines have started adding support for Visa, but trust me that if you use it in rush hour you will be considered a knob h…
IC cards indeed are much faster from my experience (in Hong-Kong and Singapore).
I hope we can get rid of Visa and MasterCard because they are the reason we don't have free, instant payments.