Digital currency founded DigiCash, an electronic cash company, in Amsterdam to commercialize the ideas in his research. It filed for bankruptcy in 1998. In 1999, Chaum left the company. In 1997, Coca-Cola offered buying from vending machines using mobile payments. After that PayPal emerged in 1998. Other systems followed suit, such as e-gold, but it faced issues because it was used by criminals and was closed by U.S Department of Justice in 2005. In 2008, bitcoin was introduced, which marked the start of digital currencies. Origins of digital currencies date back to the 1990s Dot-com bubble. One of the first was E-gold,
Virtual currency Virtual currency Virtual currency, or virtual money, is a type of unregulated, digital money, which is issued and usually controlled by its developers and used and accepted among the members of a specific virtual community. The U.S. Commodity Futures Trading Commission has warned investors against pump and dump schemes that use virtual currencies. The Financial Crimes Enforcement Network (FinCEN), a bureau of the US Treasury, defined virtual currency in its guidance published in 2013. In 2014, the European Banking Authority defined virtual currency as "a digital representation of value that is neither issued by a central bank or a public