The finance system has been changing throughout the world with the development of technology in the last decades . Crypto money currency has been very popular among people as an investment tool. Nowadays, the most popular cryptocurrency is Bitcoin, even though, there are a lot of sub-cons. Cryptocurrency also has its own market, also. Therefore, People have been discussing whether this new currency is safe enough or creating a new risk to the existing system. I think that new forms of money should be investigated thoroughly with detailed regulations by countries.