The Blockchain is one among the automation which will have great effect on upcoming decades and it is making enormous changes in our current business platforms. Blockchain is well established, divided registry that easy out transaction recording process and pursue assets in a business network. It can make changes in our business perspective and can make a revolutionary impact on our economy. There are two types of assets one is tangible and another one is intangible. Tangible assets are easily portable such as cash, car and land intangible assets consist of copyrights, patent and intellectual property. Everything can be traded and tracked in the Blockchain network virtually so that it reduces cutting costs and reduces risk of all individuals using these technologies. Blockchain details will not be dejected or forgotten because it uses distributed and decentralized technology which aims in providing data security, integrity and transparency. Only few researchers are involved in complete utilization and exploration of bit coins but many current researchers focus only on Blockchain technology and view on its applications over crypto currencies like bit coins. Crypto currency is not one and only technology of Blockchain it has many other appliances in banking, finance, government, accounting and business management process. In this paper the overall aim of study is to explore concept, overview, characteristics types, merits and demerits of technologies opportunities based on investigation and how to resolve challenges in current and upcoming trends so that more secure and scalable Blockchain system for massive deployment can be done.

Blockchain, Crytocurrency, Distributed Ledger, Decentralized Applications.