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ECB, EU central banks suggest dropping stablecoin deposits rule - Finance news and analysis from Global Banking & Finance Review
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ECB, EU central banks suggest dropping stablecoin deposits rule

Published by Global Banking & Finance Review

Posted on September 22, 2026

3 min read

· Last updated: September 22, 2026

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ECB, EU Central Banks Recommend Dropping Stablecoin Reserve Deposit Rule

By Elizabeth Howcroft

Central Banks Challenge Stablecoin Reserve Requirements Under MiCA

PARIS, Sept 22 (Reuters) - Stablecoin issuers should not be required to hold a minimum proportion of their reserve assets as bank deposits because they could leave lenders exposed to a run on stablecoins and less stable deposits, the ECB and other EU central banks said on Tuesday.

The European System of Central Banks (ESCB) - a body made up of the ECB and the 27 national central banks of EU countries - made the comments in a response to a consultation on the MiCA regulations, a set of EU-wide crypto rules which came into force last year.

Current Reserve Requirements for Stablecoin Issuers

Stablecoin issuers are required to hold 30% of their reserves as bank deposits - or 60% if they are major issuers.

Proposed Changes to Reserve Asset Rules

But the central banks recommended changing MiCA rules to drop this requirement and instead specify a minimum percentage which should be held in assets that mature within one and five working days.

Risks of Bank Deposit-Based Reserves

"If reserves are held as bank deposits, stablecoins can alter banks' funding structures by replacing relatively stable retail deposits with deposits from stablecoin issuers, which tend to be less stable and more sensitive to market conditions," the central banks' paper said.

Financial Stability Concerns and Regulatory Warnings

Regulators and financial stability watchdogs have long warned that stablecoins - a kind of crypto token pegged to a currency, usually the dollar - could harm financial stability by allowing problems in crypto markets to spill over into the wider financial system.

Multi-Issuance Risks and Enforcement Challenges

Multi-Issuance Stablecoin Models

MULTI-ISSUANCE RISKS AND MICA ENFORCEMENT CHALLENGES

The central banks also doubled down on the European Systemic Risk Board's view that that multi-issuance stablecoin models - where global stablecoin firms treat tokens they issue in the EU as interchangeable with those outside the bloc - pose financial stability risks and are not allowed under the current rules.

Safeguards for Future Multi-Issuance

If multi-issuance is allowed in future, MiCA rules should be updated to include "a comprehensive framework of safeguards", including an assessment of whether other countries' stablecoin rules could be considered equivalent, the central banks said.

Comparison with US Regulatory Approach

The US last year signed a law to create a regulatory regime for stablecoins, but wider US crypto rules have effectively been put on ice after the US Senate last week failed to advance crypto legislation called the Clarity Act.

MiCA Enforcement and Regulatory Challenges in the EU

Under MiCA, crypto companies had until June this year to secure an EU licence or to wind down operations in the bloc.

The central banks said that European regulators are facing "material challenges" in enforcing the bloc's crypto regulations, as non-compliant crypto companies continue to have access to EU customers, creating investor protection concerns.

(Reporting by Elizabeth Howcroft in Paris; Editing by Tommy Reggiori Wilkes, Kirstin Ridley and Toby Chopra)

Key Takeaways

  • MiCA currently mandates 30% (or 60% for major issuers) of stablecoin reserves as bank deposits, a requirement the ECB and EU national central banks now recommend dropping due to risks from unstable wholesale funding (cincodias.elpais.com).
  • They propose replacing the deposit rule with a requirement to hold a minimum share in assets maturing within one to five working days, improving liquidity management.
  • They stressed that multi‑issuance stablecoin schemes—tokens issued in the EU and outside but treated as fungible—pose systemic risks and should be prohibited under current MiCA, or otherwise subject to strict equivalence safeguards (esrb.europa.eu).

References

Frequently Asked Questions

What stablecoin deposit rule do ECB and EU central banks want to change?
They propose removing the requirement for stablecoin issuers to hold a minimum proportion of their reserves as bank deposits.
Why do central banks see stablecoin deposits as a financial stability risk?
Holding reserves as bank deposits could make bank funding less stable and more sensitive to market conditions in the event of a run on stablecoins.
What are MiCA regulations?
MiCA are EU-wide crypto regulations setting rules for stablecoin issuers and other crypto companies operating in the EU.
What alternative do central banks suggest to the current rule?
They suggest specifying a minimum percentage of reserves held in assets maturing within one to five working days instead of bank deposits.
What enforcement challenges are regulators facing with MiCA?
Regulators are struggling to enforce crypto rules as non-compliant companies still provide services to EU customers, raising investor protection issues.

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