Main Article Content
In this era of Intelligence, more devices become self-aware by connecting themselves to the internet and moved one step ahead. This will result in a huge amount of data which is needed to be maintained with more care where security comes into the big picture. As the amount of data increases, the platform which transfers data gets more vulnerable. In this meantime, the applications will get expanded and step into the circle of cyber attacks, especially in an online transaction. To overcome these serious issues, blockchain technology can be ideally used and secure the data from being tampered. This paper gives an overview of blockchain technology and its influence in different sectors like health care, business, military, etc.