My general problem with cryptocurrency is their environmental impact / resource usage compared to traditional payment systems.
I dunno, been seeing quite a few posts from https://indieweb.social/@web3isgreat that do kind of give a bad impression…
I’d like to point you to this excellent video by Technology Connections.
Well, on the other hand, do you just understand how simple cards work? I for sure don’t and I don’t see why I would need a chip from my provider to access it’s services, if I can get a digital key instead.