“Digital currencies are not substitutes to gold. If anything, they may be a substitute for copper. And the reason I argue that is they’re pro-risk, they’re risk-on assets,” eff Currie, the head of commodities at Goldman Sachs, said in an interview with CNBC. The terms “risk-on” and “risk-off” usually refer to various economic environments and […]Read full post Goldman Sachs Commodities chief says cryptocurrencies are a substitute for copper not gold. on Chaintimes.com.