Not a lot currently, but what's needed is for the snowball to start rolling. This means the early adopters will have to make the more difficult decision of choosing "lesser" options wrt. comfort and convenience, compatibility, and bang for your buck. All decisions matter, and it will have long-term effects en masse.
Havatra
joined 5 months ago
/e/OS works with most, according to this list.
The founder of /e/OS has a blog where he talks about alternative payment solutions, and he mentions Curve being one.
I just recently ordered the Fairphone with /e/OS, and will be looking into this myself soon enough...