One can’t. If the corporations who handle your payments don’t support your app, it won’t work.
But the solution is simple: Don’t use software for something that doesn’t require it.
Slipping your credit card inside your phone case has the same effect.
How would one go about creating a fully FOSS or mostly FOSS alternative to Google Pay?
One can’t. If the corporations who handle your payments don’t support your app, it won’t work.
But the solution is simple: Don’t use software for something that doesn’t require it.
Slipping your credit card inside your phone case has the same effect.