It's not entirely risk-free, as the spending of stolen or other Bitcoins of questionable origin is not trivial. Even if you use Monero or Z-Cash, regulation req

It's not entirely risk-free, as the spending of stolen or other Bitcoins of questionable origin is not trivial. Even if you use Monero or Z-Cash, regulation requires you to specify how you earned the money when cashing out. Yes, you can make something up, but you will need a good, plausible story.