Cryptocurrencies, or digital currencies, introduced to society based on block chain technology, are currencies that can be converted into money and vice versa. Some organizations, especially cybercriminals, use it as a payment method. This, along with the increasing popularity of cryptocurrencies, in both criminal and non-criminal aspects, has led to the emergence of a series of anomalies. Some countries have accepted cryptocurrencies, while others have either not accepted them or have remained silent. Given the various and numerous advantages they have, cryptocurrencies facilitate other CRIMES, including cybercrime, but of course, combating the facilitating role of cryptocurrencies depends on the will of governments to legislate and regulate organizations. This research uses a descriptive-analytical method to examine and analyze CRIMES related to cryptocurrencies. The research conclusion emphasizes the need to strengthen infrastructure, develop global cooperation, and develop specific regulations for the use of these tools so that the Iranian criminal system can be more efficient in combating digital money laundering. In fact, the formalization of digital currencies, in addition to numerous benefits, provides opportunities for implementing new mechanisms to combat money laundering, the preventive solutions of which will be introduced in this research.