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EXPLAINER

Breaking down different types of money: e-money tokens, stablecoins, digital euro and their uses

Digital money is not one thing. The term covers a range of instruments with different legal structures, backing mechanisms, and use cases, and the differences matter, particularly for businesses deciding what to hold and how to use it.

Stablecoins are the broadest category. A stablecoin is any crypto asset designed to maintain a stable value relative to a reference asset, typically a fiat currency like the dollar or euro. The category includes everything from over-collateralised DeFi tokens to fully backed institutional instruments. What makes a stablecoin trustworthy is not the stability mechanism itself but the quality of the backing and the legal framework around it. An unregulated stablecoin backed by opaque reserves carries risks that a regulated one does not.

E-money tokens (EMTs) are a specific legal category created by MiCAR, the EU's regulatory framework for crypto assets. An EMT is a stablecoin issued by a licensed e-money institute, backed 1:1 by fiat reserves, with holders holding a statutory right of redemption at par value. The legal protections are defined by EU regulation, not by the issuer's commercial terms. EURAU is an EMT, issued by AllUnity, licensed by BaFin, backed by segregated euro reserves. The distinction matters for businesses that need regulatory certainty around the instruments they hold.

The digital euro is a different category entirely. It is a central bank digital currency (CBDC) being developed by the European Central Bank, a direct liability of the ECB, not a private issuer. The digital euro is still in development and not yet in circulation. It would sit alongside cash and commercial bank money as a form of public money, with different use cases and constraints from privately issued stablecoins. It is not a competitor to EMTs like EURAU so much as a complementary instrument, central bank money for retail use cases, private stablecoins for programmable and institutional applications.

For businesses thinking practically about which instruments to use, the relevant questions are: what is the backing, who is the issuer, what are the legal protections, and what can it actually do. An EMT like EURAU offers regulated backing, instant programmability, on-chain verifiability, and a clear off-ramp to fiat. A CBDC will offer central bank backing with whatever programmability the ECB builds in. Unregulated stablecoins offer flexibility but carry risks that regulated instruments do not.

As digital asset infrastructure matures, the distinctions between these categories will become more practically significant, particularly for treasury teams, payment operators, and anyone building financial products on top of stablecoin rails.