The experience of blockchain application in international trade on the example of Singapore and South Korea that use this mechanism to improve the efficiency of customs transactions and customs control was studied in the work. The use of this technology undoubtedly gives positive results, which allows us to draw a conclusion about the need for the introduction of digital customs in the member States of the Eurasian economic Union (hereinafter the EAEU). At the same time, the authors highlight the problems that the EAEU member States may face when introducing such technology. At the moment, the legislative framework of the EAEU does not allow the use of electronic documents on a par with paper, electronic documents are not legally significant. To solve the problem, it is necessary to create standards of electronic documents in each industry, including the customs sphere at the level of the EAEU.