Money is actually a symbol to which we attribute certain value. This value is derived from the value of the goods and services in society. In ancient times, before the invention of money, the goods and services used to be exchanged directly. This system was called barter. The goods that you have produced is sold to someone who need the goods and services and has goods or services that he seeks to sell which you need. However, this kind of transaction was very complex and difficult. In order to make these transactions much easier, money was invented. You could now sell your goods to anyone who needs your goods and with the money you get, you could go and get the goods which you need. The trade in goods and services became quite easy. The money that was used to buy and sell was earlier in the form of coins made of precious metals such as gold, silver and copper. This later gave way to banknotes which was called currency. Now we have virtual money in the form of digital money to carry out these exchanges.