Billionaire investor Mike Novogratz has 10% of his money invested in bitcoin; the former hedge fund manager and Goldman Sachs partner began betting on the digital currency in 2013 and has benefited from its one year gain from $500 in 2016 to a current price of over $1,200; to manage some of the risk of bitcoin’s price volatility Novogratz suggests sector diversification; he is an investor in cryptocurrency ether which has seen a price increase from $1 to over $48 and is also a proponent of blockchain. Source