| Modern monetary systems are far superior to | | | | system of currency trading is also referred to as |
| the barter system people used in the old days. | | | | foreign exchange, Forex, or FX for short. The |
| Inefficiency and lengthy negotiation were the main | | | | currencies traded have a relative value to other |
| reason the barter system became obsolete. | | | | currencies. The trading uses the purchase and sale |
| Later, bronze, silver and gold came to be used as | | | | of large quantities of currency to leverage the |
| mediums of exchange in trade.Globally, currency | | | | shift in order to earn profit.Fluctuation in the |
| trading is a major business, and it is estimated | | | | relative value of a currency is caused by two |
| that over US$2 trillion is traded everyday. The | | | | reasons. |