They were challenger bank; offered card and connected debit card account as well as custody and trade of the “standard” three digital assets.

Also offered (and I used) their premium membership. For I think it was 10 American Chuckie cheese dollars you got “market maker functionality” basically a trader bot you funded and it made you “yield” off arbitrage trades depending on what you loaded the bot with. You could even mix and have it do USD and BTC.

All very cool. But also I would assume highly unregulated