crypto currency is like a normal currency created through process of mining. It has revolutionised the world by providing new payment option without any intermediary. It has provided an option for customers to pay by using their computers or other electronic devices. Its secure than previous payment methods. Its real a revolution of this century which has shaped new system of payment, which is full of security and decentralized. Bitcoin is a pioneer crypto currency which was founded in 2009. In recent years, hundreds of currencies joined crypto market. It has changed lives of many people, still people are making handsome amount of money. Opportunity is still there who missed Bitcoin. Join any digital currency to get a chance to be a part of this financial revolution. Good luck!!!