I strongly hope that paper money is not completely replaced by electronic payments because it may be convenient as long as it works but I would like to still b

I strongly hope that paper money is not completely replaced by electronic payments because it may be convenient as long as it works but I would like to still be able to buy food even when the service stops working. We had this in Austria a few months ago where one if the biggest providers for electronic payment terminals stopped working for 1 1/2 days