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The New Face of Central Banking: Central Bank Digital Currencies, Monetary Sovereignty, and the Global Race for Digital Money
Digital Central Bank Currency (CBDC) has become one of the most important innovations in the field of money in the 21st century, being a digital obligation of the central bank that is identical to physical currency in terms of its legal force. The CBDC differs from privately issued cryptocurrencies or deposits held at commercial banks because it has the full backing of the monetary institution behind it. As economies around the world are digitalizing, the question is no longer whether central banks should consider digital currencies, but how such instruments should be designed and governed.
Illustration by The Geostrata
THE DOMESTIC ANGLE: INDIA'S DIGITAL RUPEE
India is a great example of a country that follows a gradual, pilot-based approach to CBDC implementation. In November, the RBI 2022 announced its first wholesale CBDC pilot program (e₹-W), soon after announcing the retail CBDC pilot (e₹-R), for which the State Bank of India, along with IDFC First Bank and ICICI Bank, is among the earliest participating entities. By 2026, the RBI will be beyond the basic proof-of-concept phase and will focus on more sophisticated functions such as programmable money, offline payments, and government welfare distribution.
The programmability feature of the digital rupee has already been tested in states such as Gujarat, Puducherry, and Chandigarh for direct benefit transfer.
In particular, the RBI has made it clear that the digital rupee would serve more as a complementary currency to both the physical rupee and the very successful Unified Payments Interface system. The reasoning behind such an approach can be understood as follows: India’s payment system already boasts near-complete digitalisation via the Unified Payments Interface; the additional value a retail CBDC would bring to end-users is not entirely clear. Therefore, the current strategy of the RBI focuses on wholesale use of the digital rupee for interbank payments, asset tokenisation through the newly developed Unified Markets Interface, and cross-border payments in cooperation with Singapore and the United Arab Emirates, among others.
THE INTERNATIONAL PERSPECTIVE: ALTERNATIVE APPROACHES AND STRATEGIES BEHIND THEM
Internationally, the implementation of CBDCs is characterised by fundamentally differing approaches. The European Central Bank, for instance, proceeded with the digital euro project cautiously, taking into account concerns about monetary sovereignty and resilience amid the increasing role of dollar-denominated stablecoins. After the completion of the project's preparation stage in October 2025, the Eurosystem entered the technical readiness stage, planning a one-year trial period for the latter half of 2027, conditional on the adoption of the Digital Euro Regulation by the European Parliament and Council by the end of 2026. The first issuance of the digital currency would not be possible before 2029.
In this regard, the Chinese e-CNY has made more progress on the implementation front, owing to extensive testing at various high-profile public events and growing promotion for domestic retail use and cross-border transactions via mBridge, among others.
The differences in the evolution of the Chinese and European models highlight an important theoretical divide in the literature on CBDCs: the development of currencies to improve administrative effectiveness and reduce dependence on private money transactors versus the development of currencies to retain monetary independence from private-sector intervention.
RISKS AND THEORETICAL DEBATES
From a theoretical standpoint, CBDCs raise unresolved issues related to financial intermediation, privacy, and monetary policy. CBDCs may be risky, as they can disrupt commercial banks by offering customers a risk-free digital alternative to bank deposits. The latter becomes possible especially when the CBDC is not subject to holding capacity requirements. At the same time, the programming feature is quite controversial due to its surveillance nature.
CONCLUSION
The issue of CBDC development is thus caught between technological advancement and unanswered issues surrounding financial stability, privacy, and sovereignty. How central banks go on to either unite around a single institution or pursue nationally differentiated strategies will determine the future structure of global finance.
BY SWASTIKA SAHOO
TEAM GEOSTRATA
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