Cool, I know a Subway quite near from here does the same but I'm still not sure as to how exactly do I pay and if they still are accepting BTC. I remember the news being about a year old
Then go and order and eat a burger and ask them how do i pay with bitcoins and share with us

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I would if I could, hard not knowing the language of the country you are temporarily living in

It would not be so hard you just need to scan the QR code to pay with your mobile App i guess. Also yip it's hard to understand the language of a country where you are temporarily living .