
Stablecoins, once considered a fringe cryptocurrency in the wider digital assets world, are now supporting real-world applications on a large scale. Designed for speed, transparency and programmability, these digital assets are now powering remittances, business payouts, and real-time settlements across borders.
As stablecoins become integrated into the infrastructure of cross-border payments, their importance is beginning to increase. They provide liquidity across different time zones, operate reliably outside banking hours and reduce the friction usually linked with international finance.
This development raises a timely question: could stablecoins go further than their current role as payment enablers? Should these digital assets be seen as a complement, or even an alternative, to traditional USD reserve currencies?
In this blog, we’ll be looking at:
Rethinking the reserve model
Reserve currencies are essential to global finance. They are extensively held by central banks and institutions to enable trade, stabilise exchange rates, and lower the costs of cross-border transactions. Historically, these reserves have been backed by national governments and supported by deep, liquid markets.
The US dollar remains the dominant currency held around the world. However, the fundamentals that define a reserve currency are evolving. Speed, programmability and continuous operability now carry greater significance, particularly in a digital economy.
Stablecoins such as USDC present a new model: fully backed by short-term US Treasuries and cash, settled in near real-time, and accessible outside traditional banking hours.
Consider such stablecoins, backed by trusted assets such as fiat, deposits and treasury bills, operating with near-instant settlement and accessible to anyone with a digital wallet, not even a bank account. They are accessible in ways that standard foreign currency reserves are not. Could they function as a digital-native extension of fiat currencies like the US dollar, tailored for modern global commerce?
The case for stablecoins
Stablecoins are gaining traction in their use among financial institutions, fintech platforms, and global businesses for several key reasons:
- Speed and availability: Transactions settle in seconds, at any time of day or week, without reliance on banking cut-off times.
- Regulatory momentum: The recently introduced Genius Act in the U.S. proposes a clear regulatory framework for stablecoins, signalling growing legitimacy at the policy level.
- Accessibility: Unlike traditional USD accounts, stablecoin wallets are globally available, mobile-first, and inclusive of the underbanked.
These characteristics position stablecoins as powerful tools for reducing friction, improving access, and enhancing liquidity in cross-border payments.
What’s still evolving
But while stablecoins offer many of the qualities expected of reserve assets, broader institutional adoption depends on a few key developments.
They are not issued by sovereign authorities, and while their pegs are maintained through strong reserves, they are not guaranteed by central banks.
Events like the 2023 US banking crisis reinforced the importance of transparency and trust, and this area needs to develop further. Circle, issuer of USDC, continues to lead through disclosures and collaboration with regulators.
Another important consideration is that stablecoins are ultimately issued and managed by private institutions. However compelling their use in many circumstances, financial institutions with tight controls on their risk appetite may simply lean towards the known quality of fiat USD for reserves.
Why reserve status matters
The global regulatory environment is still catching up to evolutions in digital assets. Consistent frameworks will be essential to unlock central bank confidence and formalise the role of stablecoins in monetary systems, where reserve currency status retains powerful influence.
Holding a currency as a reserve indicates its strong trust among governments, markets and institutions. The volume of these reserves influences how countries manage foreign exchange, how trade settlements occur and how capital moves worldwide.
In a digital context, that trust is increasingly earned through technical reliability, auditability, and global usability, not just political designation. Many stablecoins already meet many of these functional criteria, offering certainty where traditional rails may fall short.
Whether or not central banks hold stablecoins on their balance sheets, their growing role in real-time settlement and liquidity management makes them compelling complements to traditional reserves, especially for fintechs, wallets, and global platforms.
Enabling the future of value
As stablecoins become more integrated into global finance, their influence on liquidity and monetary systems will require careful management, appropriate infrastructure and collaboration.
This is especially valuable in emerging markets, where local liquidity can be limited and real-time settlement can help reduce exposure to FX volatility. USDC offers a quick and dependable alternative when trying to access fiat USD, broadening access to global liquidity without requiring complex banking relationships.
Thunes’ collaborations with major industry players like Circle are embedding stablecoins into mainstream payment flows. These capabilities help ensure that stablecoin payments are a fully integrated component of the global financial ecosystem.
Thunes supports USDC as part of its broader Network by connecting digital asset networks with fiat-based applications, including bank payments and mobile wallets.
Thunes’ proprietary Direct Global Network, which spans 130 countries, offers access to over 7 billion mobile wallets, stablecoin wallets and bank accounts, as well as 15 billion cards and over 320 alternative payment integrations.
The Direct Global Network ensures last-mile delivery to local endpoints and works with the Thunes SmartX Treasury System to provide real-time stablecoin settlement, pairing payments with settlements and instant liquidity funding.
Thunes’ Fortress Compliance Platform connects to more than 50 payment licences worldwide to address regulatory complexities that emerge when moving money around the world, ensuring full compliance with local regulations during highly visible, seamless, secure transactions for financial institutions and businesses.
A currency for the digital age?
While USDC is not considered a reserve currency by traditional standards, it provides many of the advantages expected of reserve assets: transparency, stability, liquidity, and worldwide utility.
Its growing use signals a broader shift. The next generation of reserve assets may not come from central bank vaults. They could be shaped by how efficiently value can be transferred, how reliably systems perform, and how well they serve users across borders and different use cases.
The question then becomes less whether stablecoins could be used as a reserve currency and more whether financial institutions and platforms are prepared for a future where digital currencies play their own essential role in global liquidity.
Keen to explore the role of stablecoins in the future of payments? Contact us to see how we can help.



