Language and the euro and a 50 euro banknote is called ("penintariko"), derivatives of the words for ten, twenty and fifty. 10 lepta of a drachma were called ("dekara"), but since lepta of the drachma were out of circulation long before the euro, this word is now considered too old-fashioned and only used in old expressions and thus it is not used for the 10 eurocent coin. Nevertheless, all Greeks understand the word to stand for 10 cents of any currency and thus use it for non-euro currencies like the dime of the US dollar. The same is true for the 5-cent coin which
International status and usage of the euro those in the eurozone, do not participate in the European Central Bank or the Euro Group. Its international usage has also grown as a trading currency, acting as an economic or political alternative to using the United States dollar. Its increasing usage in this sense has led to its becoming the only significant challenger to the US dollar as the world's main reserve currency. Several European microstates outside the EU have adopted the euro as their currency. For EU sanctioning of this adoption, a monetary agreement must be concluded. Prior to the launch of the euro, agreements were reached with