The recognizability and impact of crypto, that is, digital currencies, which do not have a legal regulation but have the potential to radically change the current understanding of money, are increasing day by day in the market and an extraordinary increase in their value is observed due to high demand. It is predicted that crypto currencies, which continue their existence in the market today, will continue to operate under a legal framework in the future. For this reason, accounting and reporting of transactions carried out with crypto currencies becomes inevitable. First, the working principles of Blockchain Technology, which forms the basis of crypto currencies, are explained, the benefits provided by this technology and its potential effects on our lives are discussed. The types of crypto currencies are examined in detail, their development processes are conveyed and their advantages and disadvantages are explained comprehensively. The study is important in terms of having the necessary information about crypto currencies both conceptually and as studies in the literature. In the future, the accounting and taxation stages of crypto assets in terms of application are tried to be explained with sample records and evaluations. It is concluded that crypto assets should be accounted for in line with their intended use and then their taxable dimensions should be determined. This study aims to contribute to the studies to be carried out on the accounting and taxation of crypto currencies.