Since the crypto thing has taken off, people are earning through the system and putting back profits into their banks. Although ATO hasn't come up with slapping a tax on it but what if they will? My question is whether ATO can request bank account information such as a statement directly from a bank?
Is there any other way available for ATO to find out about your other Income?
Tax treatment of crypto-currencies in Australia – specifically bitcoin
ATO have far reaching powers to ensure that taxes are collected, sometimes the even use them.