It can be said that money is one of the important inventions for human development. It is a common price item, a measure of value, a hoarding tool, . making it easier for people to trade.
The currency has developed through many stages and is more and more convenient for users: goods exchange, gold coins, coins, paper money, electronic money, . Different currencies in each country and territory . Until 2012, there were 167 different currencies circulating in the world.
Infographic below summarizes the development milestones of the world currency.