WIR Bank
The WIR Bank, formerly the Swiss Economic Circle (German: "Wirtschaftsring-Genossenschaft"), or WIR, is an independent complementary currency system in Switzerland that serves businesses in hospitality, construction, manufacturing, retail and professional services. WIR issues and manages a private currency, called the WIR Franc, which is used in combination with the Swiss Franc to generate dual-currency transactions.
Kosovo and the euro
Before the establishment of UNMIK, Kosovo (as part of Serbia) was bound to Yugoslav monetary policy, and the Yugoslav dinar. However, war-time inflation and tensions with the Federal Republic of Yugoslavia had severely discredited the Yugoslav dinar. As a result, many preferred to use and hoard foreign currencies instead of relying on the dinar. The most frequently used foreign currency was the German mark, although the U.S. dollar and Swiss franc were also widely used.