The relevance of this paper is conditioned by the study of the regulation of electronic money circulation in the countries of the world, in particular in Ukraine, the specifics of carrying out activities in the field of issuing electronic money and establishing the regulatory basis for such activities. The purpose of this study is to investigate and analyse the financial and legal regulation of electronic money circulation, and to establish the specifics of issuing electronic money. The following methods were used: dialectical method, formalisation, hermeneutical, legal, formal and legal, logical and legal methods, system, structural and functional method, axiomatic method, induction and deduction, analysis, synthesis, etc. The findings are the definition and establishment of the features of the concept of "electronic money" and "electronic money circulation"; the establishment of the regulatory framework for regulating electronic money; investigation of the history of the establishment of electronic money in the world; the regulations of the sphere of electronic money circulation in Ukraine are studied and ways to improve this sphere are proposed. Subjects who can engage in activities aimed at issuing electronic money were identified and the features of their activities were determined. The provisions set out in this paper are of practical value primarily for subjects whose activities are aimed at implementing electronic money circulation and regulating this activity, and for persons who somehow participate in electronic money circulation and whose rights may be violated by the providers of such services.