Sadly the only way to contactlessly pay with your phone is Google Pay, Apple Pay or maybe Samsung pay at least where I love. And I don't trust any of those companies. There is no other open source standard implementation and you can't even just use your bank's app.
Sadly the only way to contactlessly pay with your phone is Google Pay, Apple Pay or maybe Samsung pay at least where I love. And I don't trust any of those companies. There is no other open source standard implementation and you can't even just use your bank's app.