ECB flags tokenised MMF risks

The European Central Bank said tokenised money-market funds could speed up trading and collateral use, but they can still trigger old-fashioned runs if they grow large enough. (ecb.europa.eu) A money-market fund is a cash-like fund that buys short-term assets such as Treasury bills and commercial paper. A tokenised version puts the fund’s shares on a distributed ledger, so investors can move them on-chain, trade them near around the clock and post them as collateral in digital-asset markets. (ecb.europa.eu) The ECB said that market is still small, but “expanding rapidly,” and that tokenisation can cut settlement times and automate parts of issuance, trading and custody. The bank has separately said Europe has seen close to €4 billion of distributed-ledger fixed-income issuance since 2021. (ecb.europa.eu 1) (ecb.europa.eu 2) The warning is that faster plumbing does not remove the basic mismatch at the center of these funds. Investors can expect quick access to cash, while the fund still holds assets that may be harder to sell under stress, which is the same liquidity and maturity problem regulators watch in traditional money-market funds. (ecb.europa.eu) The ECB also linked tokenised funds to stablecoins, which are digital tokens designed to keep a fixed value against a currency such as the euro or the dollar. It said euro-denominated stablecoins could affect sovereign bond markets if issuers become large buyers of government debt for their reserves. (ecb.europa.eu) That question has become more concrete as stablecoins have grown sharply outside Europe. In its November 2025 Financial Stability Review, the ECB said total stablecoin market value had climbed above $280 billion, while euro-denominated stablecoins were only about €395 million and dollar tokens made up about 99% of supply. (ecb.europa.eu) The reserve mix matters because stablecoin issuers usually park customer cash in assets such as bank deposits, reverse repos, money-market funds and short-dated government bonds. If euro stablecoins scale up, those portfolio choices could shift demand across euro-area sovereign debt markets rather than staying inside crypto trading alone. (ecb.europa.eu 1) (ecb.europa.eu 2) The ECB’s broader position is not that tokenisation should stop, but that it needs common infrastructure and settlement in central bank money if it is going to scale safely. In a March 23, 2026 speech, Executive Board member Piero Cipollone said fragmented platforms and the lack of a trusted on-chain settlement asset are the two main obstacles to a larger European tokenised market. (ecb.europa.eu) For now, the central bank is describing a market that looks new on the surface but familiar underneath: digital wrappers can make assets move faster, while liquidity squeezes, fire sales and run dynamics still depend on what sits in the reserves and who wants their money back at the same time. (ecb.europa.eu 1) (ecb.europa.eu 2)