“This is the story of the revelation in late 2013 that Bitcoin was, in fact, the opposite of untraceable—that its blockchain would actually allow researchers, tech companies, and law enforcement to trace and identify users with even more transparency than the existing financial system.”
And it becomes much, much easier to track down and remove anonymity the moment real currency transactions are made. Because of KYC requirements, the only way to stay anonymous with crypto is to keep your crypto transactions entirely outside of the real world. Once your digital anonymous currency interacts with real money you’ve not anchored your wallet to your identity.
There are places you can exchange crypto that exist outside of KYC requirements.