Nila Kartika Wati
Carolyn Wilkins, a prominent member of the Bank of England’s Financial Policy Committee (FPC), has issued a significant assessment regarding the burgeoning stablecoin market, contending that its rapid expansion could profoundly reinforce the US dollar’s already formidable global dominance. In a detailed address delivered on Tuesday, September 12, 2026, at Queen’s University Belfast, Wilkins highlighted how the proliferation of dollar-denominated stablecoins is not merely a niche development within the cryptocurrency space but a phenomenon with far-reaching consequences for international finance, monetary policy, and demand for US sovereign debt. Her remarks underscore a growing recognition among global financial authorities of stablecoins’ potential to reshape the global economic landscape, presenting both unprecedented opportunities and inherent risks.
The Expanding Influence of Dollar Stablecoins
Wilkins articulated a multi-faceted argument explaining how stablecoins, particularly those pegged to the US dollar, could cement the greenback’s pre-eminence. First, by facilitating more efficient and cost-effective cross-border settlement, stablecoins streamline international transactions, making the US dollar even more accessible and desirable for global trade and remittances. This enhanced utility could further entrench the dollar’s role as the world’s primary invoicing and settlement currency. Second, stablecoins expand access to dollar-linked assets beyond traditional banking channels and geographical borders, allowing a broader spectrum of global participants to hold and transact in synthetic dollars. This democratisation of dollar access, Wilkins suggested, could create a stronger network effect around the currency.
The third, and perhaps most immediately impactful, consequence identified by Wilkins is the increased demand for US Treasurys, which serve as crucial reserve assets for many stablecoin issuers. Stablecoins, by their very design, aim to maintain a stable value relative to a specific fiat currency, typically the US dollar. To achieve this peg, issuers hold reserves, a significant portion of which are often short-term US government debt instruments like Treasury bills. As the stablecoin market grows, so too does the pool of assets required to back these digital tokens, translating directly into heightened demand for US sovereign debt.
Data cited by Wilkins powerfully illustrates this trend. By the end of 2025, the two largest stablecoin issuers, Tether (USDT) and Circle (USDC), collectively held nearly $150 billion in US Treasury bills. This figure represents a substantial increase, with these entities purchasing approximately $33 billion in Treasurys during 2025 alone. Such a scale of investment positions stablecoin issuers as increasingly significant players in the US government debt market, comparable to some national central banks or major institutional investors. This new, non-traditional source of demand for Treasurys could have implications for bond yields and market liquidity, especially in periods of heightened financial stress.
The Double-Edged Sword: Opportunities and Systemic Risks
While acknowledging the potential for stablecoins to enhance the dollar’s global reach and provide new avenues for financial innovation, Wilkins also cautioned that this relationship is a double-edged sword. At a sufficient scale, the very mechanism that drives demand for Treasurys – the need for stablecoin reserves – could also become a source of systemic risk.
Wilkins elaborated on the scenario of mass stablecoin redemptions. If a significant number of stablecoin holders simultaneously decide to convert their digital tokens back into fiat currency, issuers would be compelled to sell off their underlying Treasury reserves to meet these redemption requests. In a normal market environment, this might be manageable. However, if such a large-scale redemption event were to occur during a period of pre-existing market stress or illiquidity – for instance, a global financial crisis or a sudden spike in interest rates – the forced sale of tens or even hundreds of billions of dollars’ worth of Treasury bills could amplify volatility in an already fragile market. This could lead to sharp price declines for Treasurys, affecting broader financial markets that rely on these instruments as a benchmark for safety and liquidity. The potential for such a scenario highlights the need for robust regulatory oversight and stress testing of stablecoin reserve management practices to mitigate contagion risks to the traditional financial system.
The Global Stablecoin Landscape: USD’s Entrenched Advantage
The context for Wilkins’ analysis is a stablecoin market that has witnessed explosive growth. With over $300 billion now in circulation globally, stablecoins have evolved from a niche crypto asset to a significant component of the digital economy. This growth trajectory is remarkable, considering the market capitalization was just a fraction of this figure a few years prior, highlighting a rapid adoption curve driven by use cases ranging from cryptocurrency trading and decentralised finance (DeFi) to cross-border remittances and payments.
Crucially, the vast majority of this market remains overwhelmingly tied to the US dollar. Wilkins pointed out that dollar-denominated stablecoins account for an astounding 98% of the total stablecoin value. This dominance gives the US dollar what she termed a "considerable first-mover advantage." This advantage stems not only from the dollar’s existing status as the world’s primary reserve currency but also from the network effects established within the crypto ecosystem. Developers, exchanges, and users have largely gravitated towards dollar-pegged stablecoins due to their liquidity, widespread acceptance, and the relative stability of the underlying US financial system. This creates a powerful feedback loop, making it challenging for stablecoins pegged to other fiat currencies to gain significant traction.
The UK’s Strategic Pivot Towards Stablecoin Innovation
Against this backdrop of US dollar dominance, the United Kingdom is actively working to foster a more robust ecosystem for British pound-denominated stablecoins. Historically, GBP-pegged stablecoins have lagged significantly behind their USD counterparts in terms of market capitalization and adoption. However, UK regulators have embarked on a strategic initiative throughout 2026 to encourage their development and integration into the broader financial system.
Chronology of UK Stablecoin Efforts:
- Early 2026: The Financial Conduct Authority (FCA), the UK’s financial regulatory body, launched a dedicated regulatory sandbox. This initiative allowed prospective stablecoin issuers to test their products and business models in a controlled environment, under the close supervision of regulators, facilitating innovation while managing potential risks.
- June 2026: The FCA finalized its comprehensive rules for UK stablecoin issuance. This pivotal step provided much-needed clarity and a formal framework for companies wishing to operate legitimate, regulated stablecoin businesses within the UK. The finalization of these rules was a direct response to earlier industry criticism that proposed regulations were too restrictive and could stifle innovation, signalling a more accommodating and pragmatic approach from the UK authorities.
- Ongoing through 2026: The Bank of England has been actively engaged in its own experiments with digital money, exploring the potential of both private stablecoins and a prospective digital pound (Central Bank Digital Currency – CBDC). A notable recent test involved assessing the interoperability between stablecoins and a simulated digital pound for cross-border trade payments. This research aims to understand how different forms of digital money could coexist and complement each other, enhancing efficiency in international transactions.
This concerted push by UK regulators reflects a broader ambition to maintain London’s status as a leading global financial hub in an increasingly digital world. By embracing stablecoins and developing a clear regulatory framework, the UK aims to attract innovation, support new business models, and potentially enhance its competitiveness in the global financial landscape. The shift towards a more accommodating regulatory stance, as observed after industry backlash against earlier proposals, indicates a dynamic and responsive approach from UK authorities seeking to balance financial stability with technological advancement.
Broader Implications and the Quest for Regulatory Harmony
Wilkins’ insights contribute to a global discourse among central banks and financial institutions grappling with the implications of digital currencies. The G7, G20, and various international bodies are actively exploring how to regulate stablecoins and CBDCs to harness their benefits while mitigating risks. The recent news of 21 financial institutions, including major players like Bank of America, Citi, and Goldman Sachs, planning a stablecoin venture further underscores the mainstream financial sector’s growing interest and commitment to integrating these digital assets. This collective institutional push highlights a recognition that stablecoins, if properly regulated and managed, could unlock efficiencies in payments, settlements, and asset transfers.
However, as the Director-General of the World Trade Organization (WTO) has previously noted, fragmented regulations across different jurisdictions pose a significant challenge to the widespread and secure adoption of stablecoins in international finance. A lack of harmonized standards could create regulatory arbitrage opportunities, complicate cross-border supervision, and hinder the full potential of stablecoins for global trade and financial inclusion. Wilkins’ speech implicitly supports the need for international cooperation on regulatory frameworks to ensure that stablecoins contribute positively to global financial stability and efficiency rather than introducing new vulnerabilities.
Future Outlook: Navigating the Digital Currency Frontier
The analysis presented by Carolyn Wilkins serves as a timely reminder that the rise of stablecoins is far more than a technical innovation; it is a development with profound macroeconomic and geopolitical implications. The potential for dollar-denominated stablecoins to solidify the US dollar’s global standing, while simultaneously creating a new source of demand for US Treasurys, presents a complex interplay of opportunities and challenges.
For central banks like the Bank of England, the task ahead involves carefully balancing the imperative to foster financial innovation with the fundamental responsibility of maintaining monetary and financial stability. This necessitates a proactive approach to understanding the evolving stablecoin landscape, developing robust regulatory frameworks, and engaging in international dialogue to ensure a coherent global response. As the digital currency frontier continues to expand, the decisions made today by policymakers and financial institutions will shape the future of money, trade, and global economic power dynamics for decades to come. The trajectory of stablecoins, and their interaction with traditional finance, remains a critical area of focus for economists, regulators, and market participants worldwide.
