Long ago, people bought things through barter trade. However, the difficulty of having to look for the right partner and dividing the goods led people to switch over to monetary transaction. at first, beads, shells and fishing hooks were used as money. Near Turkey, gold coins with irregular denominations were used for trade. Later, King Gyges standardized the individual coin value. People soon found carrying coins around for shopping troublesome and thieves courting. Hence, merchants started to issue checks with names of the users on them to discourage robbery. Following that, banks started to issue cash notes in return for gold deposited with them. Finally, adopting the idea, today, governments printed paper money backed by gold for the country's usage