Bitcoin is one kind of digital money which is created by satoshi Nakamoto in 2009. Which is only operated with the help of Internet. Bitcoin is one type of crypto currency and this is world first decentralised digital currency that means it doesn't comes under control of any single person or authority. Bitcoin is also used for investment, trading, mining, gambling etc. Bitcoin provide its user an uninterrupted money transaction facility and its user doesn't pay tax to their government. Bitcoin is also used for trading goods. For using Bitcoin their is no particular age or qualifications need. And also used in many multinational company.