Can you explain detailed what do you mean by definition of "retail operation"?
As it can be used as regular money already.
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For selling food and beverages in a chain of pubs and restaurants. At the moment the option I have heard about seem very slow and cumbersome.
Using the QR it is running smooth. Did you tested it?The problem is the conversion rate. I suppose it is like using US Dollars in a venue geared up for only UK Pounds! That is why e need a system which will iron these things out as even small price movements can play havoc for VAT and beer duty.
