Is it true that the currency of all eu countries is the euro based on the following text?

At present, the euro is legal tender in 19 out of 28 European Union member states, in addition to 5 countries not part of the EU (Monaco, San Marino, Vatican City, Andorra and Montenegro). The Republic of Kosovo also uses the euro, but is only partially recognised as an independent state.

Options:
1). no
2). yes
1).