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.
1963
2014
1987
1982
2022
2004
2001
2002
2018
2006
1978
2020
2016
2015
1976
2008
1985
2009