Currency

In finance, an exchange rate (also known as a foreign-exchange rate, forex rate, ER, FX rate or Agio) between two currencies is the rate at which one currency will be exchanged for another.

Legal tender is a medium of payment recognized by a legal system to be valid for meeting a financial obligation.

A virtual currency or virtual money has been defined in 2012 by the European Central Bank as "a type of unregulated, digital money, which is issued and usually controlled by its developers, and used and accepted among the members of a specific virtual community.

In the foreign exchange market and international finance, a world currency, supranational currency, or global currency refers to a currency that is transacted internationally, with no set borders.

A complementary currency is used to supplement a national currency.

Foreign exchange risk (also known as FX risk, exchange rate risk or currency risk) is a financial risk that exists when a financial transaction is denominated in a currency other than that of the base currency of the company.

Debasement is the practice of lowering the value of currency.

Decimalisation is the process of converting a currency from its previous non-decimal denominations to a decimal system, i.

A bureau de change (plural bureaux de change, both /ˌbjʊəroʊ də ˈʃɒnʒ/) (British English) or currency exchange (American English) is a business where people can exchange one currency for another.

Sarafu-Credit (sarafu is the Kiswahili word for 'currency') is a community currency system operated in Kenya.

A currency transaction tax is a tax placed on the use of currency for various types of transactions.

The Unidad de Fomento (UF) is a Unit of account that is used in Chile.

Fiat money is a currency established as money by government regulation or law.