I pay with https://privacy.com/ it is like temporary Visa Cards I can generate.
You could buy pre-paid visa cards from normal stores too, or just open a new no fee bank account, like Capital One 360, Bluebird
MCD did a trial back in 2012 but maybe it wasn't successful enough for Paypal Payments https://www.cnet.com/news/mcdonalds-tests-paypal-payments-in-mobile-app-trial/
I know, i bought some from the store. like French's or something and they are not as good.
Cool.
I guess at this point I could go ahead and share the apps I found, in case anyone else was curious:
Android - https://play.google.com/store/apps/details?id=com.mcdonalds.app
iOS - https://itunes.apple.com/us/app/mcdonalds/id922103212?mt=8