“I wish it worked that way,” Kemmerer said, but he regularly sees customers get sprayed because they don't understand how it works. “This guy bought over 100 Ethereum early on in 2015 when it was still cheap,” she said. Then, in 2021, he sold part of his Ethereum to buy non-fungible tokens (NFTs), thinking it was all in Magic Crypto Money Land. “He accumulated more than €100,000 in taxes. It was a shock.