The Internet reported that the Australia Financial Crimes Supervisor has issued a "warning" to cryptocurrency ATM operators, warning that many such machines may be helping criminals launder money or defraud victims. The Australia Trading Reports and Analysis Center (AUSTRAC) said in a statement released on Monday that the cryptocurrency working group established in December had found "worrying trends and signs of suspicious activity" related to cryptocurrency ATMs, including links to fraud and fraud. Cryptocurrency ATMs (also known as self-service machines) are physical machines that allow users to use cash or bank cards to buy or sell cryptocurrencies such as Bitcoin, and usually do not require identity checks like traditional financial industries.