someone who pays more attention than I do probably knows better/more. But last I checked monero (rather than btc) is really your best bet.

Today there are a lot of ways to invest your funds in business, to become a broker and to trade on currency. But we all know the possibility in order how to protect yourself in it and https://www.natlawreview.com/article/what-brokers-company-insiders-and-others-need-to-know-about-securities-litigation is a special article where you can read a lot about how to secure yourself and on what to pay attention to.