1) pick products

2) come to "Kasse"

3) I did say that I would like to pay with BTC

4) she did type something on KASSE and did say to me "scan the QR"

5) they have QR stick on your side of "Kasse"

6) I did used phoenix wallet, before I did click PAY I did see in description simple message that I am paing 8.30 franks

7) payment was fast like using visa cards ....