The Australian Dollar is an important currency in the global financial markets. It is the fifth most traded currency in the world, and is used as an investment currency by investors, businesses and governments around the world. The Australian Dollar is used as a reserve currency in many countries and forms a large portion of the global financial system. It is also used as a safe haven currency during times of economic uncertainty. Investors often use the Australian Dollar as a hedge against other currencies in order to reduce foreign exchange risk. It is a key currency for global payments and investments and is an important part of the global financial system.