In 2017 financial professionals including famed economist Nouriel Roubini credited as being among the first to predict the global financial crisis of a decade ago, labelled bitcoin a fraud and predicted it would blow up after the value of one the world’s first and most popular cryptocurrencies surged more than 15-fold.  

Months into 2018 more than three quarters of its value was wiped out, proving a timely prediction of many others such as  Warren Buffett, who called it “rat poison squared”, a “mirage” and a “gambling device”...