The chairman of exchange-traded fund (ETF) provider O’Shares Investments and Shark Tank star Kevin O’Leary believes unsustainably mined cryptocurrencies pose a challenge to institutional investors. In a new interview with Yahoo Finance, O’Leary says a number of institutional investors harbor concerns over owning cryptocurrencies produced using environmentally unfriendly power sources and in countries with a […]The post ‘Blood Coins’ Big Problem for Institutional Investors, Says Shark Tank Veteran Kevin O’Leary appeared first on The Daily Hodl.