Money is any object or record that is generally accepted as payment for goods and services and repayment of debts in a given country or socio-economic context.Fiat money is without intrinsic use value as a physical commodity, and derives its value by being declared by a government to be legal tender; that is, it must be accepted as a form of payment within the boundaries of the country, for "all debts, public and private".The main functions of money are distinguished as: a medium of exchange; a unit of account.a store of value. and, occasionally in the past, a standard of deferred payment.Any kind of object or secure verifiable record that fulfills these functions can serve as money.The money supply of a country consists of currency and bank money. Bank money usually forms by far the largest part of the money supply.Money originated as commodity money, but nearly all contemporary money systems are based on fiat money.One of these arguments is that the role of money as a medium of exchange is in conflict with its role as a store of value: its role as a store of value requires holding it without spending, whereas its role as a medium of exchange requires it to circulate