Yes, there are regulatory requirements when dealing with cryptocurrencies. These vary from country to country and depend on the type of cryptocurrency being used. In the United States, for example, the Internal Revenue Service (IRS) has issued guidance on how cryptocurrencies should be taxed. Other countries may require users to register with a local agency before trading or investing in cryptocurrency. Additionally, many jurisdictions have specific anti-money laundering regulations that must be followed by cryptocurrency exchanges and other businesses that facilitate transactions.