France. I carry a 20€ bill in my iPhone case as a safety measure, but I’ve not used it in… must be 10 years now? Time flies! I never use cash, and I’m annoyed

France. I carry a 20€ bill in my iPhone case as a safety measure, but I’ve not used it in… must be 10 years now? Time flies! I never use cash, and I’m annoyed by people who pay with coins.