Stablecoin Regulation Under MiCA: EMT vs ART

This is Part 3 of our "DeFi Compliance" series. In Part 2, we examined DEX front-end compliance. Here, we turn to the asset that underpins virtually all of DeFi — the stablecoin — and how MiCA's comprehensive framework regulates its issuance, reserves, and use.

Stablecoins are the backbone of crypto markets. They facilitate trading, power DeFi lending and borrowing, enable cross-border payments, and serve as the primary on-ramp and off-ramp between fiat and crypto. Yet until MiCA, no major jurisdiction had a comprehensive regulatory framework specifically designed for stablecoins.

MiCA changes this fundamentally. Titles III and IV introduce two distinct regulatory categories for stablecoins — Asset-Referenced Tokens (ARTs) and E-Money Tokens (EMTs) — each with specific requirements for authorisation, reserves, redemption rights, and ongoing obligations. These provisions have been fully applicable since 30 June 2024, making them among the first MiCA rules to take effect.

EMT vs ART: Understanding the Two Categories

MiCA classifies stablecoins based on what they reference and how they function:

E-Money Tokens (EMTs) — Title IV

An EMT is a crypto-asset that purports to maintain a stable value by referencing a single official currency (e.g., USD, EUR). This is the category that covers the most widely used stablecoins:

• USDC (Circle) — pegged to USD
• USDT (Tether) — pegged to USD
• EURC (Circle) — pegged to EUR
• EURT (Tether) — pegged to EUR

Under MiCA, EMTs are treated as a form of electronic money. This means the issuer must be authorised as either a credit institution (bank) or an electronic money institution (EMI) under the existing E-Money Directive (EMD2). No new licence category was created — EMT issuers must fit within the existing financial regulatory framework.

Asset-Referenced Tokens (ARTs) — Title III

An ART is a crypto-asset that purports to maintain a stable value by referencing multiple currencies, commodities, crypto-assets, or a combination thereof. This category covers:

• Multi-currency baskets — tokens pegged to a basket of fiat currencies (similar to Facebook/Meta's abandoned Diem/Libra concept)
• Commodity-backed tokens — gold-backed tokens like PAXG or XAUT
• Algorithmic stablecoins — tokens that maintain their peg through algorithmic mechanisms rather than full reserves (though MiCA's reserve requirements effectively make pure algorithmic models non-compliant)

ART issuers must be authorised by their national competent authority specifically under MiCA Title III. This is a new authorisation — there is no pre-existing regulatory framework to piggyback on.

Reserve Requirements: The Financial Backbone

MiCA imposes strict reserve requirements on both EMT and ART issuers. The days of opacity around stablecoin reserves — exemplified by years of questions about Tether's backing — are over in the EU.

EMT Reserves (Art. 54)

• Funds received in exchange for EMTs must be invested in secure, low-risk assets denominated in the referenced currency
• Reserve assets must be held in custody by a credit institution
• The reserve must be segregated from the issuer's own assets and ring-fenced in the event of insolvency
• At least 30% of the reserve must be deposited in separate accounts at credit institutions (the remainder can be invested in highly liquid financial instruments with minimal market and credit risk)
• The issuer may not grant interest or any other benefit related to the time the holder holds the EMT (Art. 50(4)) — this prohibition prevents EMTs from functioning as deposit-like instruments

ART Reserves (Art. 38)

• The issuer must maintain a reserve of assets that backs the ART at all times
• Reserve composition must match the basket or asset reference, with a prudent investment policy that minimises market risk, credit risk, and concentration risk
• Reserve assets must be custodied by a crypto-asset service provider or credit institution, segregated from the issuer's own assets
• The issuer must ensure adequate liquidity to meet redemption requests at any time
• An independent audit of the reserve must be conducted at least every six months

Redemption Rights: The Critical Consumer Protection

One of MiCA's most significant innovations is establishing legally enforceable redemption rights for stablecoin holders:

EMT Redemption (Art. 49)

• EMT holders have the right to redeem their tokens at par value, at any time, for the referenced currency
• The issuer must redeem in funds, not in other crypto-assets
• No minimum redemption thresholds are permitted — even small holders can redeem
• Redemption must be processed without undue delay
• The issuer may charge a proportionate fee for redemption, but it must be clearly disclosed upfront

ART Redemption (Art. 39)

• ART holders have a right of redemption against the issuer at any time — either in the form of the referenced assets or their monetary value
• The terms of redemption must be clearly set out in the white paper
• The issuer must be able to meet redemption requests without causing material disruption to the reserve

These redemption rights address the fundamental consumer protection gap that existed before MiCA. Previously, a stablecoin holder had no guaranteed legal right to redeem their tokens — the terms were entirely set by the issuer and could be changed unilaterally.

"Significant" Stablecoins: Enhanced Requirements

MiCA introduces a category of "significant" ARTs and EMTs (Art. 43–44 for ARTs, Art. 56–57 for EMTs) that are subject to enhanced requirements. A stablecoin is classified as significant if it meets at least three of the following criteria:

• Large customer base — more than 10 million holders
• High market capitalisation — exceeding €5 billion
• High transaction volume — more than 2.5 million transactions per day or €500 million in daily transaction value
• Systemic significance — designated by the EBA as significant for financial stability
• Cross-border significance — used in a significant number of Member States

Significant stablecoins face additional requirements:

• Higher own-funds requirements — up to 3% of the average reserve assets (vs. 2% for non-significant ARTs)
• Stress testing — regular liquidity stress tests supervised by the EBA
• Enhanced governance — stricter rules on management body composition and independent oversight
• Recovery and redemption plans — detailed plans for orderly wind-down in the event of failure
• Direct EBA supervision — significant EMTs and ARTs are supervised by the EBA rather than national competent authorities

Implications for CASPs and How BlockchainAnalysis Helps

MiCA's stablecoin framework affects not just issuers, but every CASP that lists, trades, custodies, or transfers stablecoins:

• Listing obligations — CASPs must verify that any stablecoin they list is issued by a properly authorised entity (EMI/bank for EMTs, MiCA-authorised issuer for ARTs). Listing an unauthorised stablecoin creates regulatory risk for the CASP.
• AML screening — stablecoin transactions must be screened like any other crypto-asset. Given the high volume of stablecoin transfers, automated screening is essential.
• Reserve monitoring — CASPs providing custody for stablecoin issuers' reserve assets have specific obligations regarding segregation and reporting.
• Transaction monitoring — stablecoins are heavily used for value transfer, making them a primary vector for money laundering. Monitoring rules must account for stablecoin-specific patterns (rapid mint/burn cycles, large cross-border transfers, concentration in illicit addresses).

BlockchainAnalysis provides comprehensive screening and monitoring for stablecoin transactions across all major chains. Our entity database covers the major stablecoin issuers, known intermediaries, and high-risk addresses involved in stablecoin-facilitated money laundering — enabling CASPs to meet their monitoring obligations without building custom infrastructure.

This concludes our "DeFi Compliance" series. For more on MiCA implementation, see our MiCA Compliance Guide and MiCA in Practice series. Follow BlockchainAnalysis on LinkedIn for ongoing regulatory updates.