The European Central Bank published a special feature in its Financial Stability Review assessing the current crypto-asset upswing and the associated channels of risk for the euro area. It concludes that financial stability risks appear limited for now, but warns that strengthening interconnectedness with traditional finance and rising household participation could open new contagion channels, while significant data gaps obscure the true scale of vulnerabilities. Crypto-asset market capitalisation reached an all-time high of USD 3.7 trillion in 2024 before falling to USD 2.8 trillion by end-March 2025, with Bitcoin’s market share rising to over 60% by May 2025 alongside rapid growth in related products, including spot Bitcoin exchange-traded products with over USD 125 billion in assets under management. Euro area household ownership remained modest in survey terms (9.7% of respondents), with most reported holdings below EUR 1,000, but implied aggregate holdings of at least EUR 75 billion. Euro area significant institutions’ direct crypto holdings were around EUR 1 million by end-2024, while exposures to crypto-asset derivatives rose to around EUR 600 million and custody services related to crypto-assets and crypto-related products increased to EUR 4.7 billion; deposits from major crypto-asset trading platforms were EUR 1.2 billion in Q4 2024. The ECB also highlights stablecoins’ expanding role in crypto trading and their reserve holdings in traditional assets, alongside limited but increasing euro area holdings of crypto-asset-related investment products (EUR 17 billion in Q4 2024, with 20% held by the financial sector). The feature calls for closing monitoring “blind spots”, particularly for non-bank financial intermediation exposures and leverage, and notes that while the EU’s Markets in Crypto-Assets Regulation provides a stringent framework for covered activities, fragmented or absent regulation globally raises the risk of regulatory arbitrage and cross-border contagion, reinforcing the importance of implementing the G20 crypto-asset roadmap and relevant international standards.