The greatest intellectual discoveries in the history are money. Before Money, Barter system was in practice. People exchange goods with goods. This is not in equity. But after the development of money everything has a value. People pay that value in money according to acquire that things. Now it’s a part of everyone's life.
Money is a good that is widely accepted within a population as payment for goods and services and repayment of debts. We can say that money acts as a unit of account, a store of value, and a medium of exchange. The money must be divisible and each unit must be equivalent
