Maybe one day nostr:nprofile1qqsvwct7ssehccgu040egxe4k8k9ru4wd605r2kfv9sf94gsu8pftcqpr9mhxue69uhhyetvv9ujuumwdae8gtnnda3kjctv9uqsuamnwvaz7tmwdaejumr0dshsz9thwden5te0wfjkccte9ejxzmt4wvhxjme0cx6h8g will finally allow Graphene users to use their app. Always a verification error.
Discussion
You could always send them Bitcoin on cash.app :-)
People at CashApp have told us they're working on moving to the hardware attestation API and will likely be willing to support GrapheneOS once they do. We don't have any timeline for when it will happen. The same will likely happen with the other apps Block owns.