In Europe it seems we have them? There are quite a few app-only or direct-banking things that opened up in the last decade (off the top of my head: N26, Monzo,

In Europe it seems we have them? There are quite a few app-only or direct-banking things that opened up in the last decade (off the top of my head: N26, Monzo, Revolut, Starling, Illimity all have banking licenses). It's true they often rely on some established bank but they haven't folded yet.