Interesting. Swedish BankID, that I'd guess serves the same purpose, works just fine on GrapheneOS, as well as nation wide payment system Swish.
It works just fine, but every time you open the app you have to dismiss a dialog saying that the app doesn't work without Google Play Services installed.
It works just fine, but every time you open the app you have to dismiss a dialog saying that the app doesn't work without Google Play Services installed.