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,
Carolla Digital now the network's recording studio, to record the show. In 2012 ACE Broadcasting was rebranded as Carolla Digital. With the success of "The Adam Carolla Podcast", which was later renamed "The Adam Carolla Show", the network grew. In late 2009, "Carcast" debuted. In early 2010, "Spider and the Henchman", "The Parent Experiment", "Daves of Thunder", and "The Film Vault" had their first shows. Shows debuting in late 2010 were "Life Lessons with Jim Carolla", "This Week with Larry Miller", "The Big 3 Podcast", and "The Punch with Craig Carlisle". "Ace on the House" debuted in early 2011, and "For Crying