Cryptocurrency is based on Blockchain technology which follows the model of decentralization while transferring the funds from the sender to the receiver end. Digital currency tends to solve the challenges related to the involvement of an intermediary, tracking of the transaction, the security of funds while maintaining privacy and maintenance of transparency while transferring the funds. As the industry started to grow, rather than be the solution for problems, the mentioned challenges were somehow witnessed in the industry itself. In this article, we are going to understand the problems to scale security and transparency issue along with their advocated solutions in the crypto industry.