When, in 2014, the charismatic German-Bulgarian Ruja Ignatova introduced OneCoin, a new cryptocurrency, she claimed that it was destined to become the world's most important digital currency and would change the course of history.
Overview：When, in 2014, the charismatic German-Bulgarian Ruja Ignatova introduced OneCoin, a new cryptocurrency, she claimed that it was destined to become the world's most important digital currency and would change the course of history.
