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.

Cast:Nina Goldberg, Mac Kasperek, Daniela Bette Koch, Michael Che Koch, Andreas Meese, Ruja Ignatova,

Genre:Documentary, History,

country:Germany,

Production:WDR, a&o buero,