Today, the problem of developing and introducing central bank digital currencies (CBCs) is becoming more and more relevant. Every year a number of central banks that actively begin to develop and test their centralized currencies are expanded; and there are already those banks that have successfully tested and implemented centralized currencies into the system. This article examines the key features of central bank issuance and implementation of digital currencies in the monetary system. The key features, advantages and disadvantages of centralized digital currencies as a new form of money are discussed. The possible risks and consequences of the introduction of this form of money in the financial system are considered; and their role in financial system transformation at the present stage is identified.