Amid fading investor interest in cryptocurrency, China’s central bank recently declared all cryptocurrency-related activities illegal . After the intensified crackdown, the most popular cryptocurrency, bitcoin, lost 5% on Friday , and the second-largest virtual currency, Ether, declined 7%. Earlier this year, China announced a crackdown on crypto mining. The major actions against cryptocurrencies taken by China accounted for about 47% of all crypto mining in April . Due to these concerns, shares of companies significantly exposed to digital currencies might see a pullback in the near term. That is why Stocks such as Riot Blockchain, Inc. ( RIOT ), Canaan...