Jambool, Inc., operator of the Social Gold virtual currency and payments platform, has raised $5 million in a Series B fundraising round led by Madrona Venture Group. Previous investor Bay Partners also participated. Jambool, which has also signed onto partnerships with RealGames and Super Rewards, is a creation of Amazon.com veterans Vikas Gupta and Reza Hussein. The company launched Social Gold last October, and the service is used by hundreds of social games and applications today.
(www.jambool.com, www.madrona.com, http://baypartners.com)