European Union flags outside a European Commission building in Brussels

ESMA Proposal Could Cut Non-Compliant Stablecoins Off From EU Custody and Transfers

By Isaac • October 3, 2026 4:41 pm • Comments

Europe’s top securities regulator wants to close a gap that could matter to anyone holding a stablecoin the European Union does not recognize as compliant.

ESMA is asking for the rules to reach beyond trading and brokerage. Under the proposal, licensed crypto firms could also be barred from providing custody and transfer services for non-compliant stablecoins.

The proposal goes deeper than a delisting.

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In its response to the European Commission’s MiCA review, the European Securities and Markets Authority called for clearer rules covering decentralized finance, staking, lending, borrowing, token classification, and stablecoins. It also asked for stronger investor safeguards around crypto marketing, costs, and third-party promotion.

ESMA wants the authority to issue binding opinions on token classifications so the same asset is treated consistently across the bloc. It also proposed a regulated service category for firms that give users access to DeFi protocols.

The regulator framed the package as both simplification and tighter protection. It recommended streamlining white-paper notifications and duplicative authorizations while giving supervisors more consistent tools for products that do not fit cleanly into existing categories.

ESMA summarized the review as an effort to keep the framework clear and capable of handling emerging services:

Custody is where the consequences become immediate.

CryptoSlate’s analysis focused on language that would prohibit every licensable crypto service involving a stablecoin that fails MiCA’s applicable requirements. That would move the restriction past new trades and into the services used to hold or move tokens for existing customers.

The proposal does not set an implementation date, and it does not spell out a withdrawal exception for people who already hold an affected token. Those details would have to be settled in legislation and implementing rules.

That unresolved exit problem is significant. A rule meant to protect users could create a new risk if a licensed custodian must stop transferring an asset before customers have a practical way to remove or convert it.

The analysis also cautioned against treating historical exchange-volume data as a measure of how much affected stablecoin value is currently held in EU custody. The eventual market impact will depend on the final wording, transition period, and treatment of existing balances.

USDT and USDC are not standing in the same place.

MiCA’s stablecoin rules have already pushed major exchanges to change which assets they offer in Europe. Circle obtained authorization for USDC under the European framework, while Tether’s USDT has faced restrictions on regulated venues because its issuer has not secured the same status.

A custody-and-transfer ban would increase the practical difference between compliant and non-compliant tokens. The question would no longer be only whether a European customer can buy or sell one on a licensed exchange, but whether a regulated company can continue holding or moving it for that customer.

ESMA’s current risk work provides the broader backdrop. The regulator has warned about gaps between market valuations and economic fundamentals alongside cyber, credit, and AI-related vulnerabilities.

The next draft has to answer the exit question.

ESMA’s proposal is not law. The European Commission and lawmakers can narrow it, add transition rules, or build explicit protections for holders who need to withdraw assets from regulated custodians.

For exchanges and custody providers, however, the direction is clear. Europe is considering a line that separates compliant stablecoins from the rest at the trading screen and throughout the regulated service chain.

For holders, the most important details are still missing: which tokens would be covered, when the restriction would begin, and whether an orderly withdrawal window would be guaranteed. Those details will determine whether the proposal becomes a manageable compliance change or a much sharper disruption.

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