This slideshare document lists examples of hyperinflation in various fiat currencies since 1990, including Zimbabwe reaching 100 trillion dollars in 2006, Venezuela reaching 10,000 bolivares in 2002, and Romania reaching 50,000 lei in 2001. A total of 14 countries are shown to have experienced extreme currency devaluations through hyperinflation over this time period. The document directs readers to the Bitstocks blog for more information on this topic.