Many virtual currencies – Bitcoin, for example – are based the currency issuer. At present, it remains unclear whether claims to virtual currencies can be asserted under civil law. Swiss Financial Market Supervisory Authority FINMA. If you have to change Swiss francs into a foreign currency (euros or dollars, for example) in order to buy bitcoin, make sure to account for the currency exchange cost and exchange risk. As with bitcoin ATMs, you must pay careful attention to bid- 25 Jun 2014 Legal tender and other payment instruments in Switzerland . Bitcoin and virtual currencies in general have high hopes for their future. They believe virtual currency phenomenon, particularly using Bitcoin as an example.