Legal Regulation of Quantum Communications in the Mechanism for Protecting Financial Information

This article examines the legal regulation of quantum communications in the financial sector, which is viewed as a priority area for ensuring information security and the resilience of the national economy. It is noted that the rapid development of quantum computing is fundamentally altering the balance in the field of cybersecurity: in the foreseeable future, traditional cryptographic mechanisms may lose their robustness, creating risks for the functioning of the national payment system, the stability of credit and financial institutions, and public trust in financial transactions. In these circumstances, quantum key distribution (QKD) and post-quantum algorithms become key instruments capable of ensuring a fundamentally new level of information protection and of shaping a sustainable architecture of digital security. The methodological basis of the study consists of comparative legal analysis and a comparison of foreign regulatory practices (the European Union, Singapore, China and Brazil) with Russian strategic instruments and pilot initiatives. International experience shows that the implementation of quantum communications is pursued through inclusion in strategic programmes, development of standards, creation of “regulatory sandboxes,” and support for pilot projects. Particular attention is given to the need to harmonise national approaches and to develop international agreements capable of eliminating regulatory fragmentation. A domestic model of legal regulation is taking shape in Russia: concepts and roadmaps through 2030 have been approved; preliminary national standards (PNST 829–832) have been adopted; the GOST R 57580.x series is being developed; quantum cryptography tools are being certified; and pilot projects are being implemented with the participation of major financial organisations. At the same time, the study identifies barriers hindering further development—fragmentation of the regulatory framework, complex procurement procedures, and insufficient institutional coordination among the state, business and the academic community. Priority areas are proposed, including institutionalisation of experimental legal regimes, establishment of permanent expert platforms, expansion of pilot-project practice, harmonisation of national rules with international initiatives, and development of a national quantum communications infrastructure. The article concludes that consolidation of legal, organisational and technical measures will strengthen technological sovereignty and ensure long-term protection of the financial system against quantum threats. 

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