Didn’t know about Barclays! Thank you for educating me.

I’m afraid not. You can have Google Wallet installed but you can’t have bank cards on it on GrapheneOS.

Edit: this link for more context

I loved it too until I forgot my wallet one day. It’s the one thing I had to go back to stock Android for because I forget everything but my phone constantly.

“Foul Tarnished, in search of the Elden Ring. Emboldened by the flame of ambition. Someone must extinguish thy flame. Let it be Margit the Fell!”