Whenever any commodity is used for the exchange purpose, the commodity becomes equivalent to the money and is called commodity money. There are certain types of commodity, which are used as the commodity money. Among these, there are several precious metals like gold, silver, copper and many more. Again, in many parts of the world, seashells (also known as cowrie shells), tobacco and many other items were in use as a type of money & medium of exchange.
2. Fiat Money:
The word fiat means the "command of the sovereign. It is the type of money that is issued by the command of the sovereign. The paper money is generally called as the fiat money. This type of money forms a monetary standard. It has been made mandatory by law to accept the fiat money, as an exchange medium, whenever it is offered to anyone.
3. Fiduciary Money:
Today's monetary system is highly fiduciary. Whenever, any bank assures the customers to pay in different types of money and when the customer can sell the promise or transfer it to somebody else, it is called the fiduciary money. Fiduciary money is generally paid in gold, silver or paper money. There are cheques and bank notes, which are the examples of fiduciary money because both are some kind of token which are used as money and carry the same value.
4. Commercial Bank Money:
Commercial Bank money or demand deposits are claims against financial institutions that can be used for the purchase of goods and services. A demand deposit account is an account from which funds can be withdrawn at any time by cheque or cash withdrawal without giving the bank or financial institution any prior notice. Banks have the legal obligation to return funds held in demand deposits immediately upon demand (or 'at call'). Demand deposit withdrawals can be performed in person, via cheques or bank drafts, using automatic teller machines (ATMs), or through online