Explanation:

The currency of Australia is the Australian Dollar (AUD). It has been the official currency of Australia since 1966, replacing the Australian Pound. The Australian Dollar is symbolized by the $ sign and is issued and regulated by the Reserve Bank of Australia. It is widely used in Australia, as well as in its external territories, for all financial transactions. The Australian Dollar is known for its stability and is influenced by factors such as commodity prices, interest rates, and global economic conditions.