what is bitcoin

what is bitcoin ? what is the history of bitcoin ? and is it an economic bubble ? watch this video it will help you to answer these questions ?
Bitcoin is a digital currency that was created in January 2009. No one knows who invented bitcoin, or at least not conclusively.
Satoshi Nakamoto is the name associated with the person or group of people who released the original bitcoin white paper in 2008 and worked on the original bitcoin software that was released in 2009.
Bitcoin offers the promise of lower transaction fees than traditional online payment mechanisms and, unlike government-issued currencies which depends in central banks , bitcoin is operated by a decentralized authority capitalization.