Øystein Stray Spetalen, a Norwegian billionaire investor, has reportedly bought bitcoin as well as invested in the country’s largest Bitcoin exchange just weeks after deeming Bitcoin as “nonsense currency.” During the DNB Invest conference earlier this month, the Norwegian billionaire criticized Bitcoin for its excessive use of energy and went on to call it hostile. […]Read full post Norwegian billionaire bitcoin critic Øystein Stray Spetalen buys bitcoin. on Chaintimes.com.