Gone are the days when crypto investing was restricted to just die-hard enthusiasts. Today, you can buy and sell crypto in several modes—including directly or through exchange-traded funds (ETFs)—as easily as you would buy stocks. Bitcoin is now considered a mainstream asset offered and sometimes promoted by household investment names such as Fidelity and BlackRock. It’s hard to believe, but the U.S. may soon hold bitcoin and other cryptocurrencies as a strategic reserve a