I was naughty and did something a few years ago that was against the rules. I sold some crypto—a small amount—but the buyer was clever enough to include it in the description. PayPal took away my ability to sell (and buy) online. Can just send some pocket money around.
Now I don't know whether PayPal is the actual culprit or if it's the EU. It's starting to look like a surveillance state, especially in Western Europe. Every financial transaction seems to be monitored.