No, at least in the US. The Realtors have lobbied very hard to make sure that the real estate industry doesn’t have the same reporting requirements that banking does. So a lot of dirty money has made it into the US real estate system. The government finally started looking into it a few years ago. “By 2017, 30 percent of cash purchases of high-end real estate by LLCs in New York, Miami, LA, San Francisco, San Diego and San Antonio were involving suspicious buyers, according to FinCEN.”