Key Takeaways
- • Isabel Schnabel, ECB Executive Board member, drew historical parallels between stablecoins and earlier monetary innovations—specifically money market funds and 17th-century Bank of Amsterdam "bank money"—to inform central bank policy frameworks, speaking at the June 1, 2026 Bank of Korea International Conference on Central Banks and the Future of Money.
- • Bank of Amsterdam's bank money, despite being backed by high-quality assets and providing a stable unit of account, ultimately lost confidence when trust in underlying assets weakened, demonstrating that public institution backing alone does not guarantee durability of privately-issued money-like instruments.
- • Money market funds emerged as a more recent private analogue to stablecoins, creating liquid investment instruments offering market-based yields while promising stable value, but research shows stablecoins and money market funds exhibit divergent responses to monetary policy shocks and stress conditions.
- • Stablecoins and money market funds share structural vulnerabilities to run risk during financial stress, though recent research indicates stablecoins behave differently than money market funds in response to contractionary US monetary policy and do not function as safe-haven assets during crypto market volatility.
- • Central banks must preserve the anchor role of central bank money as financial innovation continues to reshape monetary intermediation and the structure of the financial system, with implications for financial stability, monetary policy transmission, and the international monetary order.
Summary
Isabel Schnabel, Member of the Executive Board of the European Central Bank, delivered a speech on June 1, 2026, at the Bank of Korea International Conference on Central Banks and the Future of Money in Seoul, examining how historical monetary innovations provide lessons for central bank policy regarding stablecoins. Schnabel emphasized that the nature of money has never been static, and when financial innovations reach sufficient scale, they fundamentally alter financial system structure with consequences for financial stability, monetary policy effectiveness, and the international monetary order.
The speech drew historical parallels between stablecoins and earlier monetary innovations, most notably the "bank money" issued by the Bank of Amsterdam in the 17th century—characterized as an early form of stablecoin. Bank money was backed by high-quality assets and provided a stable unit of account, establishing itself as a trusted means of settlement that became a key international currency for over a century. However, Schnabel highlighted that this instrument's eventual decline demonstrated how confidence can erode once trust in underlying assets weakens, even when issued by a public deposit bank. This historical precedent carries particular relevance for assessing privately-issued stablecoins today.
A more direct analogue emerged with money market funds, which Schnabel identified as private instruments that created highly liquid investment vehicles offering market-based yields while maintaining promised stable value. These funds substantially reshaped financial intermediation patterns. Recent research, as cited in ECB publisher context, reveals material differences in how stablecoins and money market funds respond to monetary policy shocks. Unlike money market funds, stablecoins tend to experience outflows following contractionary US monetary policy, and research indicates stablecoins do not function as safe-haven assets during cryptocurrency market stress—a structural distinction relevant to financial stability assessments.
Both stablecoins and money market funds share a critical vulnerability: susceptibility to run risk during periods of financial stress. This shared fragility stems from their structural characteristics as money-like instruments promising stable value while investing in higher-yielding assets. Schnabel's framing suggests central banks must carefully monitor these instruments' growth and preserve the anchor role of central bank money as private financial innovation continues reshaping monetary intermediation and the global financial architecture.
The speech drew historical parallels between stablecoins and earlier monetary innovations, most notably the "bank money" issued by the Bank of Amsterdam in the 17th century—characterized as an early form of stablecoin. Bank money was backed by high-quality assets and provided a stable unit of account, establishing itself as a trusted means of settlement that became a key international currency for over a century. However, Schnabel highlighted that this instrument's eventual decline demonstrated how confidence can erode once trust in underlying assets weakens, even when issued by a public deposit bank. This historical precedent carries particular relevance for assessing privately-issued stablecoins today.
A more direct analogue emerged with money market funds, which Schnabel identified as private instruments that created highly liquid investment vehicles offering market-based yields while maintaining promised stable value. These funds substantially reshaped financial intermediation patterns. Recent research, as cited in ECB publisher context, reveals material differences in how stablecoins and money market funds respond to monetary policy shocks. Unlike money market funds, stablecoins tend to experience outflows following contractionary US monetary policy, and research indicates stablecoins do not function as safe-haven assets during cryptocurrency market stress—a structural distinction relevant to financial stability assessments.
Both stablecoins and money market funds share a critical vulnerability: susceptibility to run risk during periods of financial stress. This shared fragility stems from their structural characteristics as money-like instruments promising stable value while investing in higher-yielding assets. Schnabel's framing suggests central banks must carefully monitor these instruments' growth and preserve the anchor role of central bank money as private financial innovation continues reshaping monetary intermediation and the global financial architecture.
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