In finance it's common to have to disclose your investments to the company's Compliance department. So sure you could own a bunch of Ethereum/BTC/Doge on the s

In finance it's common to have to disclose your investments to the company's Compliance department. So sure you could own a bunch of Ethereum/BTC/Doge on the sly, in the same way that you could "anonymously" own a Panamanian or Cayman Islands company invested in a bunch of things that you don't want your company to know about.