VTB tested quantum technologies to enhance data protection.

      On May 28, 2026, at 14:43, VTB Bank completed testing of a secure communication channel using quantum key distribution (QKD) technology. The bank's partners in the pilot project were Russian Railways (RZD), Infotex, and Innopraktika. The results of the testing were presented ahead of the St. Petersburg International Economic Forum (SPIEF) 2026.

      As part of the pilot project, a quantum communication channel (a specialized fiber optic line) was established between VTB's data processing centers (DPC) in Moscow. Equipment from Infotex was installed in each DPC, which forms the quantum communication channel, generates, and distributes symmetric encryption keys on devices on both sides. Any attempt at external interference results in a change in the phase or amplitude of the photon’s movement, which is instantly recorded. Specialists from Innopraktika and RZD provided expert support at all stages of the project. The pilot project became an example of technological partnership between VTB and RZD, an agreement for which the companies signed at SPIEF 2025.

      “VTB was one of the first to test the use of quantum communications in the Russian financial market. The results of the tests demonstrated the feasibility of using Russian quantum communication equipment in modern banking telecommunication infrastructure. For us, such pilots are part of the ongoing work to maintain the bank's technological leadership,” said Vadim Kulik, Deputy President – Chairman of the Management Board of VTB.

      In VTB, encrypted cryptographic keys are used to transmit particularly sensitive and protected information. The classical technology involves setting encryption keys on the equipment at the time of its configuration. Updating keys requires physical access to the equipment, the involvement of bank information security staff, and takes considerable time for the delivery of carriers, especially between different cities. Quantum technologies allow for the complete elimination of physical carriers, thereby significantly speeding up the transmission of cryptographic keys: they are generated automatically and transmitted via quantum communication channels in real-time, at a speed of up to one key per minute.

      Another advantage of the technology is enhanced data protection. Quantum channels are considered more secure compared to regular network connections, as hacking such a channel under current conditions is practically impossible. Given the emergence of new cyber threats associated with the development of AI and quantum computing technologies, quantum communications provide a higher level of protection for transmitted data.

      “Quantum encryption is the technology of the future, and it is critically important right now to explore quantum technologies in our field, find practical scenarios for their application, and assess their potential and future effects, including financial ones. When regulatory requirements for the application of the technology are formulated, we will already be fully prepared: with a deep understanding of the technology, our own developments, and a clear integration plan into the bank's infrastructure,” believes Vadim Kulik.

      “Today, quantum communications are transitioning to the stage of practical application in the corporate sector. Russia has already formed its own technological base for implementing projects of this level—from scientific competencies to serially produced domestic solutions. This creates conditions for the gradual implementation of quantum-secured communication channels in the financial sector and industry. Our expertise in quantum technologies, developed in part through cooperation with OAO RZD—one of the key drivers of the 'Quantum Communications' direction in Russia—allows us to act as a center of competence for the largest companies in forming strategic and methodological approaches to implementing high-tech innovations into existing corporate infrastructure,” notes Natalia Popova, First Deputy General Director of Innopraktika.

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