The U.S. Securities and Exchange Commission (SEC) has taken a number of actions against cryptocurrencies in recent years. Some of the key areas where the SEC has been involved include:Initial coin offerings (ICOs): The SEC has been actively investigating and prosecuting companies that conducted ICOs that were deemed to be securities offerings. In some cases, the SEC has ordered companies to return funds to investors or pay fines for violating securities laws.Cryptocurrency exchanges: The SEC ...