Cryptocurrency is a digital currency. Despite the risks, investing in cryptocurrency is very profitable and it is used as a medium of transaction. Protecting the confidentiality of assets, transactions can be made in a short time, without any government intervention or restrictions, at low cost and can reach any part of the world in a matter of moments. For a variety of reasons, the popularity and number of cryptocurrencies is growing rapidly. Several developed countries around the world have already legalized cryptocurrencies. Overall, the future of cryptocurrency is very bright.