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'''Currency''' is a unit of [[money]] that facilitates the purchase of [[goods]] or [[services]].  Each modern [[nation]] has one currency, such as the [[dollar (U.S.)|U.S. dollar]] in the [[United States]], the [[pound sterling]] in [[The United Kingdom]], and the [[Euro]] in several countries across [[Europe]].

'''Currency''' is a unit of [[money]] that facilitates the purchase of [[goods]] or [[services]].  Each modern [[nation]] has one currency, such as the [[dollar (U.S.)|U.S. dollar]] in the [[United States]], the [[pound sterling]] in [[The United Kingdom]], and the [[Euro]] in several countries across [[Europe]].

In economic terminology, currency is paper money but not coins.

More specifically, currency is something (as coins, treasury notes, and banknotes) that is in circulation as a medium of exchange, paper money in circulation, or a common article for bartering. <ref>http://www.m-w.com/cgi-bin/dictionary?va=currency</ref>

 

The [[Technological Development|invention]] of currency allowed civilization to advance beyond the barter system.

==References==

==References==

==See also==

==See also==

==External links==

==External links==