national currency exchange., foreign and international money, both in cash (in the form of banknotes, Treasury notes, coins) and non-cash (in Bank accounts and in Bank deposits), which are legal means of payment.Second meaning of the term — the unit of measurement of money used to Express the prices of goods and services, to establish the denominations of banknotes, to carry out calculations, to determine the value (rate) .The word ’currency’ came into wide use only in the second half of the twentieth century and usually only applies to existing legal means of payment in cash or non-cash forms. So, ancient Roman is called ’coin’. The term currency exchange. (as the main monetary unit of the state) is not identical to the concept . Some functions may be performed by certain products under certain circumstances . For example, in Germany in the first years after the end of the Second world war, American cigarettes played the role of money in the Western zone of occupation on the black market. 66223
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