Abstract
The acceleration of technological developments, effective promotional and advertising campaigns and great promises to achieve higher profits increase the popularity of cryptocurrencies. Therefore, more real and legal persons are preferring to acquire cryptocurrencies day by day in the world and in Turkey. However, the lack of sufficient, concrete and clear regulations on cryptocurrencies on a national and international scales, the inability of national regulatory institutions and legislators to create clear and unified regulations bring along some legal and financial uncertainties and risks. This situation also poses a problem even in largest economies in the world like the United States of America, and the legal statuses of cryptocurrencies are being discussed even in cases that attract worldwide attention. Since the legal statuses of cryptocurrencies are not defined in Turkish legislation and their places are not known in terms of contracts, Turkish companies and citizens that possess cryptocurrencies are more vulnerable to such risks. Until now, some opinions in the Turkish legal and financial doctrine and jurisprudence have been purported that cryptocurrencies are capital market instruments, goods, financial services products or investment instruments. However, such definitions and opinions could not terminate legal uncertainties and reveal the need for legal regulations to be made as soon as possible.