There’s a list of apps that work and those that don’t work. Most banking apps should work though as the GrapheneOS passes Google SafetyNet checks.
NFC payments still seem to be an issue though as most banking apps rely on Google Pay for that?
I have no idea. For your privacy and your freedom it’s best not to use these corporate surveillance systems anyway. Use cash whenever you can or if necessary a credit card with contactless payment that you keep in an RFID-blocking case when you don’t use it. There might also be prepaid credit cards that support this, I don’t know as these are only common in North America and I don’t live there.
The repos issue tracker is slightly more up to date.
There are some banking apps and apps in general that may be problematic. For such cases, here are the possible work around solutions.
