Blockchain is the technology that allows any digital stock's history to become unchangeable. In other words, the origins and travel of the electronic asset are made transparent and visible through decentralization and cryptographic processing. Not long back, people thought blockchain to be just buzz, with no real-world applications in close sight. However, technology spread considerably faster and on a far broader scale. The well-known usage example of Blockchain, Bitcoin, gave the system much-deserved attention, and the list continues.