The moment stablecoins became everyone’s problem

Crypto has had no shortage of turning points, but the one now unfolding has a different character. It lacks the drama of the boom-and-bust cycles that tend to dominate the headlines, and that quietness is precisely why it matters. Stablecoins have travelled from the margins of digital finance to the heart of global payment flows, and they have arrived well ahead of the rules meant to govern them. The change has been incremental, which makes its scale easy to underestimate: an instrument once treated as a convenience for traders parking value between volatile positions now settles transactions, moves money across borders, supports treasury operations and underpins tokenised assets, while banks and payment firms wire it into their own infrastructure. The result is a form of digital money that behaves like a global payment instrument yet is classified, supervised and enforced against in fundamentally different ways depending on where it lands. That single fault line, the same product treated as a payment instrument in one regime, a security or a deposit in the next, is where the defining problems of the sector now originate. The paragraphs that follow work through where that gap is already producing concrete legal and economic consequences, from the FCA’s emerging perimeter to the cross-border disputes it will set in motion.

 

Regulation lagging behind

The market has run ahead; the rules are trailing some distance behind, and that distance is where the tension now sits. Regulators are alert to the shift. Over the past year, stablecoins have arguably become the single most discussed subject in global crypto policy. Many jurisdictions have opened consultations or published draft legislation, a smaller number have finalised full regimes, and others remain undecided on the basic question of whether a stablecoin is best understood as a payment instrument, a security, a deposit or something altogether new. This absence of alignment has itself become a source of risk. A coin that is tightly regulated in one country may be only lightly supervised in the next, which produces uneven standards, rewards firms for operating wherever oversight is thinnest, and lulls users into assuming that wide adoption is the same thing as safety.

The cost of that gap is no longer hypothetical. Courts are being asked to settle questions that clear legislation would ordinarily resolve. Insolvencies have raised hard arguments about who actually owns the assets backing a coin. Fraud cases have exposed the soft spots in consumer protection. Cross-border enforcement has grown more tangled precisely because the same product is classified differently from one jurisdiction to another. These are live disputes, not academic ones, and they are a reminder that much of the legal foundation for digital money is being laid while the system is already running on top of it.

Regulatory divergence

The United Kingdom has begun to close the distance. Recent work by the Financial Conduct Authority points clearly towards a coherent framework that draws trading platforms, custody, staking, lending and decentralised finance into a single perimeter, with stablecoins firmly at the centre of the design. The intention is to treat them as part of the payments system rather than as speculative instruments, which is a sensible instinct, though one still working its way through consultation. A consultation is not a finished regime, and until the rules are settled, firms and users are left in a position where expectations run high but legal certainty remains thin.

The United States, the European Union and the major Asian financial centres are each moving along their own paths. The EU has MiCA, detailed on paper but as yet untested at full scale. The United States continues to operate through a patchwork of agency interpretations rather than a unified statute. Singapore and Japan offer clearer rules but train their attention on different risks, while Hong Kong has taken a more market-friendly stance even as it keeps refining its own stablecoin framework. None of these regimes sits comfortably alongside the others, and the net effect is a world in which stablecoins are used almost everywhere and regulated consistently nowhere.

This divergence carries weight because stablecoins have outgrown their niche and are becoming part of mainstream finance. Once a product reaches that level of importance, the lack of consistent rules stops being an inconvenience and starts to look like a systemic problem, touching monetary policy, financial stability, consumer protection and the smooth running of cross-border payments. It also bears on the credibility of the wider digital asset market, for if stablecoins cannot be trusted, little else in the ecosystem can be either.

The real challenge, then, is not merely how to regulate a new technology. It is how to manage the transition from a fragmented digital asset market to one in which digital money meets traditional finance at scale. Stablecoins are the bridge between those two worlds, and they are also the point at which the weaknesses of both become visible. The market prizes speed and innovation; regulators prize safety and predictability; and the space between those two ambitions is precisely where the difficult work now lies.

How the next phase plays out will depend largely on how quickly governments can narrow that space. Some will press ahead, others will prefer to wait and observe, and in the interval the market will keep expanding. More institutions will adopt stablecoins, more users will come to depend on them and more disputes about the economics will find their way into the courts, all of which will intensify the demand for clarity. The open question is whether the regulatory world can move fast enough to keep pace with adoption.

Regulatory focus in the UK

In 2025 the FCA published a discussion paper, DP25/1 Regulating Cryptoasset Activities. This marks the point at which the regulator begins to treat crypto activity as part of the mainstream regulatory perimeter. It draws trading platforms, intermediaries, lending, borrowing, staking and parts of DeFi into a future statutory regime. For all that it is only a discussion document, it signals the strategic objective with unusual clarity. Its implications for future disputes are considerable, since the FCA is effectively setting the standards against which firms will later be judged.

The most immediate consequence is that disputes will cease to turn solely on broad questions of consumer protection or contract law and will instead hinge on whether a firm has met specific regulatory obligations. The FCA has signalled that its remit will widen to cover the operation of trading platforms, intermediation, lending and borrowing, staking and decentralised finance arrangements. Once those activities are regulated, shortcomings in governance, disclosure, risk management or operational resilience become regulatory breaches rather than ordinary commercial disagreements, giving claimants firmer ground to stand on and courts a more defined framework for assessing liability.

Overseas platforms form a second front. DP25/1 is explicit that overseas trading venues serving UK retail clients will need UK authorisation and a UK presence, a requirement that stands to reshape jurisdictional disputes. Much current litigation revolves around whether a foreign exchange falls within reach of UK law: the proposed regime is designed to strip out that ambiguity. A platform that serves UK retail users must be authorised, and one that is not authorised is in breach. This makes it considerably easier for UK claimants to establish jurisdiction and considerably harder for overseas firms to argue that British rules do not touch them.

Custody is the third area of impact. The draft statutory instrument accompanying DP25/1 introduces a new regulated activity for safeguarding qualifying cryptoassets, including tokenised securities and other specified investments. This matters a great deal for disputes, because custody failures have sat at the heart of many insolvencies and frauds. Treating custody as a regulated activity raises the standard of care and makes it explicit. Arguments about lost keys, mis-segregated assets or operational failures will be measured against regulatory expectations rather than vague appeals to reasonable practice. The likely result is both a greater number of claims and a stronger hand for customers bringing them.

Lending and borrowing will become a flashpoint of their own. The FCA has indicated a preference for banning retail access to crypto lending and borrowing, while leaving open an alternative model built around enhanced conduct rules. Either route breeds disputes. A ban invites enforcement against firms that carry on regardless, whereas a regulated model creates fresh obligations around creditworthiness, disclosure and risk management. Failures on those fronts will generate mis-selling claims that echo the ones long familiar from traditional financial products.

Staking adds a further layer. DP25/1 proposes that staking firms should bear liability for the failures of their third-party service providers, technology suppliers included, which is a notably firm position. It denies firms the option of sheltering behind decentralised infrastructure or outsourced arrangements: when something goes wrong, responsibility rests with the firm. That reframes the disputes likely to arise from outages, slashing events and validator failures, handing claimants a clearer route to compensation and exposing firms to greater litigation risk unless they rethink how their operations are arranged.

DeFi is the hardest case of all. The paper suggests that genuinely decentralised protocols may fall outside the perimeter, while conceding that decentralisation runs along a spectrum and is rarely absolute. That very ambiguity will spawn litigation. Firms will contend that their protocols are decentralised enough to escape regulation, the FCA may take a different view. The courts will be left to determine whether a protocol is truly autonomous or whether identifiable people in fact pull the levers. Such cases will rhyme with the earlier fights over whether particular tokens counted as securities, though with a sharper focus on governance, code and operational control.

A final consequence is the change to the evidentiary landscape. Once the regime takes hold, firms will have to document their systems, controls, risk assessments and governance, much as established financial institutions already do. That documentation will move to the centre of disputes. Claimants will ask for it, regulators will insist on it and courts will pore over it, so that the absence of proper records will itself stand as evidence of non-compliance.

Towards a new generation of disputes

In short, DP25/1 sets the stage for a new generation of crypto disputes. The themes will be recognisable to anyone steeped in financial regulation: jurisdiction, custody, mis-selling, operational failures, outsourcing, governance and the boundaries of the regulatory perimeter. What changes is the clarity. The FCA is drawing the lines, and once they are in place, disputes are likely to become more structured, more predictable and, in many instances, more winnable for claimants.

Global regulatory divergence remains the backdrop to all of this. The divergence affects market access, consumer protection, financial stability and the capacity of firms to operate across borders. Until the major jurisdictions converge, or at least come to recognise one another’s regimes, stablecoins will go on inhabiting a patchwork of rules that never quite align.

Stablecoins have become the quiet centre of the crypto debate. They are no longer a technical footnote but the issue that will decide how digital assets take their place within the global financial system. The wider realisation now dawning is that digital money is not a concept for the future; it is already here. The regulatory focus is on establishing the framework that makes it safe, stable and trusted at scale. And with large crypto groups operating across borders, the pressing question is how long it will take for regulatory divergence to start driving disputes in jurisdictions that are themselves becoming more tightly regulated.

Where regulation meets the balance sheet

What too few commentators acknowledge is that regulatory divergence does not merely create legal uncertainty: it sets the price of conflict. Every gap between regimes is a margin that someone can arbitrage, every ambiguous classification is a contingent liability waiting to crystallise, and every dispute that reaches a court carries a cost that ripples outward into capital requirements, insurance premiums, settlement timetables and the discount rates investors apply to the firms involved. Understanding where stablecoins are heading therefore means understanding the economics beneath the litigation: which actors bear the losses, how those losses are priced before a claim is ever filed, and how the expected cost of a dispute reshapes commercial behaviour long before judgment is handed down. That is the analysis that turns a regulatory map into a strategic one, and it is the work that will separate the firms that merely react to the coming wave of disputes from those that anticipate, price and position for it.

---

Dr Mark Bamber is a Senior Consultant at DT Economics and specialises in economic analysis. DT Economics is a boutique economics consultancy specialising in expert witness, competition economics and regulatory advice.