Currency money or book money, which are fiat money. Currency money Currency money is money in full circulation that takes its value from the precious metal it contains, that is, its market value is (almost) the value of the metal it contains (apart from the Seigniorage or the minters' profit), though this is always overcompensated for in coins and banknotes from a country undergoing debasement. Currency money is usually made of silver or gold, but in very rare cases plated metal and even copper may be used. Currency money is commodity money, as opposed to coins whose metal value is less than
Broad money less a fixed definition across all situations. However defined in a specific country, the importance of monitoring the development of broad money has been recognized. Broad money In economics, broad money is a term denoting a certain measure of the amount of money (of the money supply) in a national economy, and it is used depending on the local practice. The European Central Bank considers all monetary aggregates from M2 upwards to be part of broad money. Typically, "broad money" refers to M2, M3, and/or M4. The term "narrow money" typically covers the most liquid forms of money, i.e. currency