The AUD, or Australian Dollar, is the official currency of Australia. It is used as a form of payment for goods and services, as well as a medium of exchange for investments and financial markets. The AUD is an important currency for international trade, and its value is determined by the supply and demand of it. This currency is used by a variety of different investors, from those looking to buy and sell stocks and bonds to those looking to trade foreign currencies. The AUD is also used to make payments in international transactions, as well as to hedge against currency risks. Overall, the AUD has become an important part of global finance and investment.