Under the EU's Markets in Crypto-Assets Regulation, every stablecoin offered to the public falls into one of two categories: an e-money token (EMT) referencing a single official currency, or an asset-referenced token (ART) referencing anything else. The distinction is not cosmetic. EMT and ART issuers face different authorization paths, reserve compositions, redemption rights, and significance thresholds, and a misclassification can void a token's right to circulate in the EU. This article walks through how MiCA defines each category, the practical differences for issuers and holders, and how specific tokens such as USDC, EURC, and PAX Gold map to each.
​

The legal text governing this split lives in Titles III and IV of Regulation (EU) 2023/1114, with operational detail in the European Banking Authority's regulatory technical standards published in 2024. Both categories of token went into force on 30 June 2024.
​

Article 3(1)(7) of MiCA defines an EMT as "a type of crypto-asset that purports to maintain a stable value by referencing the value of one official currency." The key phrase is "one official currency." A token pegged 1:1 to the euro is an EMT. A token pegged 1:1 to the US dollar is also an EMT. A token pegged to a basket combining the euro and the US dollar is not an EMT; it is an ART. The single-currency restriction is what triggers the existing Electronic Money Directive's framework, layered with MiCA-specific obligations.
​

EMT issuers must be authorized as a credit institution or as an electronic money institution (EMI). Circle Internet Financial obtained EMI authorization in France through the Autorité de Contrôle Prudentiel et de Résolution in July 2024, becoming the first global issuer authorized under MiCA. Circle now issues USDC and EURC under that authorization. Societe Generale-Forge issues EURCV under a French credit institution license. Banking Circle issues EURI under EMI authorization in Luxembourg.
​

Three obligations distinguish the EMT regime:

The redemption guarantee is what makes EMTs functionally equivalent to traditional electronic money for regulatory purposes. A user holding 1,000 EURC can compel Circle to redeem those tokens for 1,000 euro at any time during business hours.
​

Article 3(1)(6) defines an ART as "a type of crypto-asset that is not an e-money token and that purports to maintain a stable value by referencing any other value or right or a combination thereof, including one or several official currencies." The "any other value or right" formulation is intentionally broad and covers four token archetypes:

ART issuers must obtain authorization under MiCA Title III directly. Issuers must be a legal person established in the EU, or a credit institution. The application includes a white paper, governance documentation, conflict-of-interest policies, complaint-handling procedures, and a description of the reserve composition and custody arrangements. Authorization grants an EU passport. As of late 2025, fewer than ten ART authorizations have been granted, with most issuers either pursuing the EMT route where possible or restructuring tokens to qualify as EMTs.
​

Both EMT and ART issuers must hold reserves segregated from the issuer's own assets, but the eligible composition differs sharply.
​

EMT reserves follow EMD2 rules layered with MiCA's liquidity floors. At least 30% of the reserve must be held as deposits at credit institutions for non-significant tokens, rising to 60% for significant tokens. The remainder may be invested in highly liquid, low-risk financial instruments with weighted average maturity not exceeding three months for non-significant EMTs and one month for significant EMTs. EBA's final RTS on liquidity sets the daily liquidity floor at 30% of average daily redemptions over the prior 12 months.
​

ART reserves face the same general principles but with category-specific overlays. A commodity-backed ART must hold the underlying commodity in custody with a regulated custodian, with daily inventory reconciliation and quarterly third-party audit. A multi-currency ART must hold each reference currency in proportion to the basket weights, with rebalancing rules disclosed in the white paper. An overcollateralized algorithmic ART must demonstrate that the collateralization ratio in stress scenarios remains above the redemption obligation, a calculation that is significantly more complex than the cash-and-bills math behind an EMT reserve.
​

Concentration limits apply to both. No more than 10% of the reserve may be held with any single counterparty bank, capped at 30% per banking group. The European Central Bank pushed for these limits during MiCA's drafting following the Silicon Valley Bank collapse in March 2023, which froze approximately USD 3.3 billion of Circle's USDC reserves and produced a 12% peg deviation over the following weekend.
​

MiCA distinguishes "significant" EMTs and ARTs based on quantitative thresholds. The European Banking Authority designates a token as significant when it meets at least three of the following criteria:

Once designated significant, the issuer falls under direct EBA supervision rather than home-state supervision. Significant EMT issuers must hold higher capital buffers, conduct more frequent reserve attestations, and meet interoperability requirements that allow holders of one significant EMT to transfer to another significant EMT through standardized interfaces. Significant ARTs face capital requirements scaled to a percentage of reserve assets, currently set at 3%.
​

The most consequential significance trigger is the foreign-currency cap. A significant EMT denominated in a non-EU currency, such as a USD-pegged stablecoin, is subject to a hard cap of 1 million transactions per day or EUR 200 million per day in transaction volume, whichever is reached first, when used as a means of exchange in the EU. The cap explicitly does not apply to use as a store of value or to flow through crypto-asset venues for trading purposes. The European Central Bank pushed this cap into the regulation as a safeguard against dollar-stablecoin dominance of EU payment flows; the practical effect is that USDC, EURC, and other dollar EMTs face structural limits on becoming the dominant euro-area means of payment, even as they remain freely tradable.
​

Applying the EMT vs ART test to the actual stablecoin universe produces these classifications:

The pattern is clear: dollar and euro EMTs from issuers willing to obtain EMI authorization can operate freely. Multi-asset, commodity, and algorithmic stablecoins struggle with the ART regime because the issuer-as-legal-entity requirement is awkward for protocols designed without a central issuer.
​

For developer teams building stablecoin payment flows that touch EU customers, the EMT-vs-ART classification determines route eligibility. A stablecoin transfer that begins in USDC, crosses chains, and settles in EURC is two MiCA-authorized EMTs at the endpoints, with a chain transit in between. The same flow ending in DAI is route-incompatible for an EU end-customer, because DAI lacks an authorized issuer.
​

Routing decisions therefore need a regulatory class label per leg, alongside the cost and finality data that already drive most cross-chain choices. Eco exposes the regulatory class of each stablecoin in its route metadata, so a developer integrating Eco's API can constrain routes to MiCA-authorized EMTs only for EU end-customers. The same orchestration logic that selects between Circle's CCTP, Hyperlane, and LayerZero on cost and speed also reads the EMT-vs-ART label and gates routes accordingly. Teams running production stablecoin flows across the 15 chains Eco supports can therefore offer EU customers a compliant subset of routes without forking the integration.
​

Related reading. Related reading in the MiCA cluster: the MiCA pillar overview, MiCA-compliant stablecoins, and reserve and authorization rules.
​

No. The categories are mutually exclusive. A stablecoin is an EMT if and only if it references one official currency. Anything else is an ART. ESMA confirmed in its MiCA Q&A document that token issuers cannot dual-register.
​

If the token references a single fiat currency such as the US dollar and the reserves include US Treasuries as part of the eligible reserve composition, the token is an EMT. The reserve assets do not change the classification; the reference value does.
​

No. EMT issuers are prohibited from paying interest, rewards, or any benefit linked to the holding period. A token that pays yield to holders cannot be an EMT and would need to qualify as an ART or be structured as a regulated money-market fund token outside MiCA's scope.
​

The home competent authority can withdraw authorization, prohibit further offers, and require redemption of outstanding tokens. Misclassification carries fines of up to EUR 5 million or 5% of annual turnover for legal persons under MiCA's enforcement provisions.
​

Only when offering tokens to EU customers or seeking admission to trading on an EU platform. A non-EU stablecoin that is neither marketed in the EU nor admitted to EU venues falls outside MiCA, though EU-licensed venues will not list it without compliance evidence.
​