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.

• WDR
• a&o buero
• Nina Goldberg
• Mac Kasperek
• Daniela Bette Koch
• Michael Che Koch
• Andreas Meese
• Ruja Ignatova