Not Rivals, But Partners: CBDCs, Stablecoins, and the Next Era of Money

Digital money is no longer a theoretical concept. Over the past decade, financial systems have begun to evolve beyond traditional bank deposits and physical cash toward programmable, blockchain-based forms of value. Two models dominate the conversation: stablecoins issued by private companies and central bank digital currencies (CBDCs) issued by governments.

Both modernize payments and make money move faster, cheaper, and more efficiently in a digital economy. Yet they emerge from different philosophies about who should issue money, how it should circulate, and how much control institutions should retain over financial infrastructure.

In this article, we explore how CBDCs and stablecoins differ, where they complement each other, and what their coexistence mean for the future of global finance.

Two Visions of Digital Money

Stablecoins and CBDCs share a similar basic premise: a digital token whose value is tied to a stable reference asset, usually a national currency such as the U.S. dollar or euro. Yet they differ in structure, governance, and purpose – each serving distinct roles in the evolving digital financial ecosystem.

Stablecoins are issued by private companies and typically backed by reserves such as cash, government securities, or other assets. Tokens circulate on public blockchain networks and can be transferred directly between users without relying on traditional banking intermediaries enabling innovation and global accessibility.

CBDCs, by contrast, are digital currencies issued directly by central banks. They represent sovereign money (equivalent to physical cash but designed for digital use) and provide a trusted settlement layer anchored in government oversight.

In simple terms:

• Stablecoins are privately issued digital dollars.

• CBDCs are government-issued digital cash.

Both systems modernize financial infrastructure, but they do so from opposite ends of the institutional spectrum.

Stablecoins: Market-Driven Innovation

Stablecoins did not emerge as a standalone payment innovation. They developed as a structural response to a fundamental limitation of early crypto markets: the absence of a stable settlement asset on blockchain networks. As digital asset trading expanded, market participants needed a reliable unit of account that could move natively on-chain without relying on traditional banking rails. Tokens such as Tether (USDT) and USD Coin (USDC) filled this role by bringing a digital representation of the U.S. dollar directly onto blockchain networks.

In practice, these tokens quickly became the settlement layer of the crypto economy - the base asset used to price trades, provide liquidity, and move capital between platforms. Over time, however, their function expanded far beyond trading. Stablecoins began to serve as a practical payment instrument for international transfers, remittances, decentralized finance, payroll, and merchant transactions in regions experiencing currency volatility.

This expansion is largely driven by the infrastructure on which stablecoins operate. Because they run on public blockchain networks, stablecoins can move across borders almost instantly and function continuously without banking hours or geographic limitations.

Developers can integrate them directly into financial applications, enabling programmable payments, automated financial services, and new digital business models.

As a result, stablecoin ecosystems have grown rapidly. While their total market capitalization (now exceeding USD 280 billion, or roughly 8% of the overall crypto-asset market) remains small compared with the scale of traditional financial systems, their role within the crypto economy is substantial. Today, stablecoins function less like peripheral crypto instruments and more like core infrastructure that enables global on-chain finance.

Why it matters:

• Open infrastructure that developers can build on

• Global accessibility without traditional banking intermediaries

• Rapid innovation driven by private markets

At the same time, this openness has drawn increasing regulatory attention. Policymakers are introducing new frameworks to address questions around reserve transparency, consumer protection, and financial stability. In the European Union, the Markets in Crypto-Assets Regulation establishes rules for stablecoin issuers, including reserve requirements and supervisory oversight. In the United States, legislative initiatives such as the GENIUS Act aim to define how payment stablecoins should be issued, backed, and regulated. Similar efforts are emerging globally as regulators seek to integrate stablecoins into the broader financial system while managing potential systemic risks.

 

CBDCs: Digital Currency with Central Bank Control

Central banks began exploring digital currencies for different reasons. As cash usage declines and digital payments dominate everyday transactions, policymakers want to ensure that sovereign money remains relevant in a digital economy.

A CBDC represents a direct claim on a central bank, just like physical cash. Instead of relying on commercial banks or payment providers to issue digital money, central banks could offer digital currency directly to citizens and businesses.

Several countries have already launched or tested CBDCs. For example, Digital Yuan - issued by the People's Bank of China - is one of the most advanced implementations, with pilot programs operating across major Chinese cities.

Meanwhile, institutions such as the European Central Bank are exploring a potential digital euro, while the Federal Reserve continues research into a digital dollar.

Why it matters:

• Direct government-backed digital currency

• Potentially safer settlement asset in financial markets

• Greater control over monetary policy and financial stability

But CBDCs also introduce complex questions around privacy, financial surveillance, and the role of commercial banks in the financial system.

Key Differences Between Stablecoins and CBDCs

Although both represent digital versions of fiat currencies, their operational models diverge in several important ways.

Issuer and Governance

Stablecoins are issued by private companies and governed by corporate structures, while CBDCs are issued and controlled by central banks.

Infrastructure

Stablecoins typically operate on public blockchain networks such as Ethereum or other decentralized platforms. CBDCs run on permissioned or government-controlled infrastructure.

Accessibility

Stablecoins can be accessed globally with a crypto wallet, often without requiring a bank account. CBDCs are likely to be distributed through regulated financial institutions and national payment systems.

Innovation Speed

Private stablecoin issuers can innovate rapidly and launch new services quickly. CBDC development, by contrast, tends to move more slowly due to policy considerations and regulatory oversight.

 

Complementary Roles in Digital Finance

At first glance, stablecoins and CBDCs appear to compete directly: both offer digital versions of fiat currency designed for faster payments and modern financial systems.

In practice, however, they may evolve into complementary layers of digital finance.

Stablecoins excel at enabling open innovation. They integrate easily with decentralized finance, programmable payments, and global digital platforms. CBDCs, on the other hand, may provide a trusted settlement asset anchored by government credibility.

Some policymakers already envision hybrid models in which regulated stablecoins and private payment providers operate alongside CBDCs within a broader digital financial ecosystem. For example, Project Rosalind - a joint experiment by the Bank for International Settlements and the Bank of England - explored how a retail CBDC could be distributed through private-sector applications. The project tested an architecture where the central bank maintains the core digital currency infrastructure while private companies build wallets, payment interfaces, and financial services on top of standardized APIs. This approach mirrors the existing financial system, where public money and private innovation coexist.

Other international initiatives are exploring how CBDCs could function in cross-border and wholesale financial systems. Projects such as Project mBridge examine how multiple central banks could settle international payments directly using CBDCs on a shared platform, while Project Dunbar has tested whether a multi-CBDC infrastructure could enable faster and more efficient cross-border settlements between financial institutions. Together, these experiments illustrate how policymakers are exploring new forms of digital monetary infrastructure that could reshape global payments.

A Co-founder’s Take

SH Group has spent the last five years inside this debate – not watching it.

Andrius Bartminas

In 2020, we built LBCOIN with the Bank of Lithuania: the world’s first blockchain-based CBDC, live in central bank production systems. We contributed to the technical architecture of the ECB’s digital euro programme. We participated in BIS Innovation Hub’s Project Rosalind, testing how a retail CBDC can be distributed through private-sector infrastructure. Our team was selected as one of the three teams identified by the audience on the basis of originality, completeness, and quality of presentation. Today, we are building Ourapay – our global payments infrastructure venture – operating in the same space where stablecoins and sovereign digital currencies are converging.

That experience produces a clear read.

“The CBDC versus stablecoin debate is a spectator sport” says Andrius Bartminas, Co-Founder and EVP of SH Group. "CBDCs are a sovereign instrument – deployed by central banks, on their timeline, under their rules. Stablecoins are a market instrument – deployed by whoever moves fastest. At the implementation layer, that distinction doesn't simplify your problem. It defines your architecture. The real divide isn't between the two models. It is between teams building infrastructure that survives regulatory scrutiny and teams still running simulations. You're not choosing between them. Your architecture needs to handle both."

From LBCOIN, we learned that central banks build for decades – not product cycles. From Project Rosalind, we saw that the best CBDC architectures don't compete with private innovation; they create a layer that private builders can extend. From Ourapay, we know that building global payments infrastructure means making real bets on which digital rails survive regulatory scrutiny – not in theory, but with capital at stake.

"Institutions that wait for a clear winner will find the infrastructure decisions already made without them," Bartminas adds. "MiCA is live. The DLT Pilot Regime is active. Central banks are moving from research to implementation. The window to shape how this works is open now."

The future of digital money isn't determined in whitepapers. It is built in production — under real regulation, with real capital at stake.

The Future of Digital Money

The emergence of stablecoins and CBDCs marks the beginning of a structural shift in global finance. Payments, settlement systems, and even monetary policy are gradually adapting to a world where money can move instantly across digital networks.

Stablecoins have demonstrated how quickly private innovation can transform financial infrastructure. CBDCs reflect governments’ efforts to ensure that sovereign currencies remain central to the digital economy.

One thing is clear: digital money is programmable, borderless, and built at the intersection of sovereign trust and private innovation. The question is not which model will win – it is who will build the infrastructure that enables them to work together, efficiently and securely on a global scale.