Cryptocurrency (crypto) has been growing in popularity for some time. Last year crypto, defined as the class of digital assets you can spend and invest, reached a milestone. Bitcoin, the best-known crypto, had the highest investment return of any asset class in 2021, outpacing the stock market, real estate, commodities and more. It has also experienced some of the biggest price drops in January 2022. Little wonder that the media is increasingly filled with stories of crypto companies growing and investors getting rich—and going broke. Cryptocurrencies are increasingly becoming a part of the...