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Here in Paris (France), I always use my credit† card, for everything from a drink in a bar to groceries to burgers to whatever. Most of the time, I use the contactless feature of my plastic card (works for anything under 50€), and sometimes, using my phone using Google Play, which is linked to my card, but doesn't have the 50€ ceiling for regulatory reasons.

I used to carry some cash for my nearest automatic laundery machines, but even that one now features a contactless payment dongle, so it's nearly useless for me.

† I say "credit card", but most plastic card WE carry on France are actually debit card, i.e. there is no specific credit card balance to top or anything, it's directly withdrawned from your account. (There is something hybrid called "differed debit card", that mimic some of the credit card experience, but it's basically buffering your withdrawals, without any "true" credit happening).