Blockchain is the cryptocurrency technology that helps the execution of the cryptocurrency function properly. At this time the use of the cryptocurrency has increased a lot and popularity. People can now use cryptocurrency in different areas. And all this is possible for blockchain. For the Blockchain, the Cryptocurrency can now contribute to the economy because of which there has been a lot of change in the whole world. Because of the blockchain, the cryptocurrency is now being used against cash. Blockchain is helping to make the use of the cryptocurrency efficiently by its technology, and this has resulted in many changes in the whole world.