ECB Warns Stablecoins May Threaten Financial Stability Globally

TLDR

• The European Central Bank has warned that stablecoins could pose risks to financial stability and monetary control.
• Isabel Schnabel said stablecoins may face liquidity mismatches that could lead to a sudden loss of confidence.
• The ECB noted that most stablecoins are dollar-based and may strengthen the global role of the US dollar.
• Schnabel stated that a digital euro could help preserve access to central bank money across Europe.
• Coinbase policy director Katie Harries called for adjustments to MiCA to improve Europe’s crypto competitiveness.

The European Central Bank has raised fresh concerns over stablecoins, warning that their rapid expansion could pose risks to financial stability and monetary control.

According to Isabel Schnabel, a board member at the European Central Bank, the increasing role of stablecoins requires strong regulatory oversight alongside the development of central bank digital currencies. Speaking at the 2026 Bank of Korea International Conference in Seoul, Schnabel said the sector’s scale and structure raise concerns that extend beyond crypto markets.

Stablecoins Raise Concerns Over Systemic Risks

During her remarks, Schnabel stated that the global stablecoin market has grown to nearly $300 billion, based on ECB assessments. She added that most of this supply is concentrated in dollar-linked assets, with Tether and USD Coin accounting for roughly 90% of circulation.

Schnabel explained that stablecoins may face liquidity mismatches between reserves and redemptions, which could expose them to a sudden loss of confidence. She said such conditions could trigger runs similar to those seen in traditional financial markets.

She also warned that the dominance of dollar-backed stablecoins could strengthen the global role of the U.S. currency. According to Schnabel, this trend may extend the reach of U.S. monetary policy into other economies through increased reliance on dollar-based digital assets.

Digital Euro Seen as Strategic Response

Addressing Europe’s position, Schnabel argued that a retail-focused digital euro could help maintain the role of central bank money in everyday transactions. She said the project would ensure continued access to public money while reducing reliance on foreign payment providers.

The ECB official added that a digital euro could serve as a unified payment system across the euro area, with legal tender status supporting wider adoption. Based on ECB planning documents, the initiative remains in a technical preparation phase, with a potential rollout targeted for 2029 if legislation is approved in 2026.

She emphasized that innovation should not be restricted, but instead guided through clear rules that protect monetary policy transmission and financial stability.

Coinbase Calls for MiCA Adjustments

Meanwhile, Katie Harries from Coinbase has commented on Europe’s regulatory framework, urging updates to improve competitiveness. In a company blog post, Harries described the Markets in Crypto-Assets framework as a strong base but said revisions are needed.

Harries suggested that euro-denominated stablecoins require better conditions to compete with dollar alternatives. She also called for clearer access rules for decentralized finance and policies that support tokenization.

At the same time, Harries criticized current reserve requirements under MiCA, noting that rules requiring 30% to 60% of reserves in bank deposits may concentrate risk rather than reduce it. She proposed allowing greater exposure to sovereign assets to improve resilience.

Elsewhere, policy differences remain visible. Scott Bessent recently stated that the United States will not pursue a CBDC, highlighting a contrast with Europe’s approach as lawmakers continue discussions on digital asset legislation.

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