A regulatory détente between the world's two largest stablecoin issuers and the European Union may be closer than most market participants expected. Circle, the issuer of USD Coin, is reportedly backing a targeted amendment to the Markets in Crypto-Assets regulation that would allow Tether to resume operations in European markets — and critically, without requiring the company to mint an entirely new token. The proposal centers on an equivalence mechanism embedded within the MiCA framework, and its implications extend far beyond a single company's market access.
Why Tether Left — and Why It Matters
When the European Union's MiCA regulation came into full force for stablecoin issuers, Tether's flagship product, USDT, found itself on the wrong side of the compliance line. European exchanges delisted or restricted the token as it failed to meet the licensing and reserve requirements mandated by MiCA for issuers of electronic money tokens and asset-referenced tokens. The exit was significant: USDT remains the world's dominant stablecoin by market capitalization and daily trading volume, and its absence from European venues created friction for traders, institutional desks, and liquidity providers operating within the bloc.
Circle, by contrast, had positioned itself early for MiCA compliance. The company secured the necessary authorizations and ensured that USDC met the regulation's reserve, disclosure, and operational standards. On paper, this gave Circle a structural competitive advantage in Europe — the continent's largest and most liquid stablecoin operator effectively sidelined. That makes Circle's decision to now advocate for a rule change that could restore Tether's access all the more striking, and worth interrogating carefully.
The Equivalence Argument
The mechanism Circle is supporting appears to draw on equivalence provisions — a concept familiar from broader EU financial regulation, where foreign entities operating under comparable regulatory regimes can be granted access to European markets without full domestic licensing. Applied to MiCA, an equivalence determination would allow a stablecoin issuer regulated in another jurisdiction, under rules the EU deems broadly comparable to its own, to offer its token within the bloc without launching a separately issued, MiCA-compliant token.
For Tether, this would be a significant lifeline. The company has historically resisted subjecting itself to European licensing regimes, in part because MiCA's reserve and audit transparency requirements are more stringent than what Tether has traditionally disclosed. An equivalence pathway could allow the company to return to European markets based on its existing regulatory footprint — potentially in jurisdictions such as El Salvador, where Tether has established a legal base — provided the EU judges those standards sufficiently rigorous.
Whether Brussels would accept such a determination is far from certain. MiCA was designed with precisely these kinds of regulatory arbitrage concerns in mind, and European lawmakers have repeatedly signaled their intention to avoid a race to the bottom on stablecoin oversight. Any equivalence assessment of Tether's home jurisdiction would face intense political and technical scrutiny from the European Banking Authority and the European Securities and Markets Authority, both of which have oversight responsibilities under MiCA's stablecoin provisions.
Circle's Strategic Calculus
The obvious question is why Circle would actively support a change that erodes its own competitive moat in Europe. Several explanations are plausible. First, Circle may be calculating that a fragmented European stablecoin market — one where USDT's absence suppresses overall liquidity and trading volumes — ultimately limits USDC's own growth ceiling. A more liquid, competitive market, even one that includes Tether, may generate more total demand for dollar-denominated stablecoins than a market where Circle holds a hollow monopoly over a shrunken pool of activity.
Second, Circle may be playing a longer regulatory game. By positioning itself as the actor that helped craft a workable equivalence framework — rather than as a company that leveraged regulatory gatekeeping for commercial advantage — Circle signals to policymakers globally that it is a constructive participant in the rulemaking process. That reputational positioning has real value as stablecoin regulation advances in the United States, the United Kingdom, and across Asia-Pacific jurisdictions.
Third, and perhaps most pragmatically, Circle may simply recognize that Tether's return to Europe is a matter of when, not if. Regulatory frameworks evolve, political priorities shift, and Tether has demonstrated considerable staying power despite sustained compliance pressure. Getting ahead of that outcome by shaping the mechanism of re-entry is more strategically sound than resisting it.
What This Means for the EU Stablecoin Market
If the equivalence proposal gains traction within the European Commission and with member-state regulators, the consequences for the EU's digital asset ecosystem would be substantial. Tether's return — without the friction of a new token launch — would rapidly restore liquidity depth on European venues, benefit retail and institutional traders alike, and potentially accelerate broader crypto market activity across the bloc. It would also test, in real time, how seriously the EU intends to enforce the structural ambitions of MiCA versus how willing it is to accommodate market realities. The answer to that question will define European crypto regulation for years to come.
Written by the editorial team — independent journalism powered by Bitcoin News.