DeFi Intel

MiCA One Year On: What Enforcement Actually Looks Like

Eighteen months after Title V went live, the practical contours of European crypto regulation

Published 2026-04-29 14 min read 3180 words By DeFi Intel Editorial Desk

#mica #regulation #europe #esma #casp #enforcement

Executive Summary

The Markets in Crypto-Assets Regulation (MiCA) was the most ambitious piece of crypto-specific legislation passed by any major jurisdiction when it took effect, and eighteen months into its operational life it is now possible to assess what it actually does in practice rather than what it was designed to do on paper. The headline finding: MiCA is doing roughly what its designers intended for licensed issuers and registered CASPs, but its impact on DeFi protocols, NFT markets, and cross-border distribution has been notably less aggressive than industry critics warned. ESMA, BaFin, AMF, and the Central Bank of Ireland have collectively issued thirty-seven formal notices and three substantive enforcement actions; the broader compliance effect has been driven less by enforcement than by venue-level delisting decisions made in anticipation of regulatory exposure. The stablecoin chapter — Title III ART, Title IV EMT — is the most visible success story; the CASP chapter (Title V) is largely operational but with significant cross-border passporting friction; the DeFi-adjacent provisions remain ambiguous and are the central contested battleground for 2026.

Key Findings

1. The architecture in practice

MiCA is a three-layer regulation. Title V covers crypto-asset service providers (CASPs) — exchanges, custodians, brokers, advisors, transfer service operators. Title III covers asset-referenced tokens (ARTs), the regulatory category for what would colloquially be called 'commodity-basket' or 'multi-asset' stablecoins. Title IV covers e-money tokens (EMTs), the regulatory category for what would colloquially be called 'fiat-backed' stablecoins. A separate set of provisions covers authorisation and supervision logistics — the operational machinery that allows the substantive titles to function. In practice the architecture has produced very different outcomes per title. Title IV (EMTs) has worked: a small set of issuers obtained licenses, the major venues delisted non-compliant stablecoins on schedule, and reserve transparency has measurably improved. Title V (CASPs) has worked unevenly: approximately 185 firms have been licensed, but the cross-border passporting that was supposed to allow a French-licensed CASP to operate seamlessly across the EU has produced friction in a meaningful share of attempted passport notifications. Title III (ARTs) has effectively not been used: no major issuer has chosen the ART route given the more onerous capital requirements, and the few applications that have been filed have languished in supervisory review. Supervisory coordination is operating but slowly — the colleges of supervisors envisioned for cross-border issuers have been convened only twice, and ESMA's coordinating role is more advisory than directive.

2. The Tether delisting timeline

Tether's USDT was the most consequential delisting in MiCA's first year. The token has never been MiCA-compliant and Tether has publicly stated that it will not pursue an EMT license. The mechanism by which USDT exited the EU venue stack was not a single regulatory action but a cascade of venue-level decisions made in anticipation of supervisory exposure. The timeline: in October 2024, Coinbase EU announced restrictions on USDT trading for retail users in the European Economic Area, citing MiCA Title IV obligations. In November 2024, Bitstamp, Bitpanda, and Kraken EU followed with similar restrictions. By December 30, 2024 — the formal MiCA compliance deadline — every MiCA-licensed CASP had restricted USDT for retail. Binance EU implemented a more nuanced approach, retaining USDT pairs for professional users but restricting retail access. The cumulative effect: an estimated $12B of EU-domiciled USDT float either rotated into compliant alternatives (primarily USDC, with smaller flows into EURC and EURCV) or migrated to offshore venues. The USDT supply on Ethereum and Tron held by EU-identifiable wallets fell from approximately $14B in October 2024 to under $1.5B by April 2026. ESMA and the national competent authorities did not need to issue a single substantive enforcement action against Tether — venue-level compliance accomplished the policy objective. This is the most important operational lesson of MiCA's first year: the regulation's bite came from licensed venues anticipating supervisory exposure, not from direct enforcement against non-compliant issuers.

MiCA enforcement actions and notices (June 2024 — April 2026)
AuthorityFormal NoticesSubstantive ActionsAggregate Sanctions (€M)Primary Focus
ESMA90 (coordinating role)0.0Marketing, reserve attestation
BaFin (Germany)1114.2AML controls
AMF (France)911.8Yield product marketing
CBI (Ireland)513.5Reserve misstatement
DNB (Netherlands)400.0Custody operations
CNMV (Spain)300.0Advertising restrictions
CONSOB (Italy)300.0Cross-border distribution
Other NCAs200.0Various
MiCA-compliant EMT issuers — supply and license details (April 2026)
IssuerTokenSupplyLicense CountryReserve CustodianAudit Frequency
Circle Mint EuropeUSDC$74B (global)France (ACPR)BNY MellonMonthly
Circle Mint EuropeEURC€5.6BFrance (ACPR)BNY MellonMonthly
Société Générale-FORGEEURCV€1.8BFrance (ACPR)Société GénéraleMonthly
Banking CircleMulti-currency EMTs€420M combinedLuxembourg (CSSF)BNP ParibasMonthly
Membrane FinanceEUROe€280MFinland (FSA)Skandinaviska EnskildaMonthly
Quantoz PaymentsEURQ + USDQ€140M combinedNetherlands (DNB)ABN AMROMonthly
Paxos Issuance EuropeMultiple€110M combinedIreland (CBI)State StreetMonthly
StasisEURS€38MMalta (MFSA)MultipleMonthly

Continue reading the full report

You're reading the free preview. The full 3180-word report — including 6 additional sections, and editorial conclusions — is available to DeFi Intel readers free with email sign-up, or as a one-off purchase.

Get every flagship report — free

The DeFi Intel weekly brief delivers our flagship research and entity-graph intelligence to your inbox. Pro members ($49/mo) unlock the full library, custom dashboards, and the priced API.