MiCA (Markets in Crypto-Assets Regulation)
MiCA is the European Union's landmark regulation establishing harmonised rules for crypto-asset issuers and crypto-asset service providers across all 27 member states.
Markets in Crypto-Assets Regulation (MiCA), formally Regulation (EU) 2023/1114, is the European Union’s comprehensive legislative framework governing the issuance of crypto-assets and the provision of crypto-asset services. Adopted by the European Parliament on 20 April 2023 and published in the Official Journal on 9 June 2023, MiCA represents the first major jurisdiction-wide attempt to create a unified regulatory perimeter for digital assets, replacing the patchwork of national approaches that had prevailed across member states since 2017.
Scope and Asset Classification
MiCA distinguishes four primary categories of crypto-asset:
Asset-Referenced Tokens (ARTs) reference the value of multiple fiat currencies, commodities, or crypto-assets. Issuers must be EU-authorised and hold reserves. Significant ARTs (those exceeding 10 million holders or €5 billion market capitalisation thresholds) face enhanced oversight directly by the European Banking Authority (EBA).
E-Money Tokens (EMTs) reference a single official currency and function economically as electronic money. EMT issuers must be authorised as either a credit institution or an e-money institution under existing EU financial law.
Utility Tokens grant access to a good or service provided by the issuer. They are subject to the lightest MiCA obligations — principally a white paper disclosure requirement — provided they do not constitute ARTs or EMTs.
Other Crypto-Assets (sometimes referred to as the catch-all category) covers crypto-assets that do not fall into the above three classes and are not already regulated as financial instruments under MiFID II. This includes most general-purpose cryptocurrencies such as Bitcoin and Ether.
Critically, MiCA explicitly excludes crypto-assets that qualify as financial instruments, deposits, structured deposits, securitisation positions, or insurance products under existing EU law. Tokenized securities that meet the MiFID II definition of a transferable security remain regulated under MiFID II and the DLT Pilot Regime — not MiCA. This boundary is central to compliance analysis for security token offerings in the EU.
Implementation Timeline
MiCA entered into force on 29 June 2023. Implementation followed a phased schedule:
- 30 June 2024: Title III (ART rules) and Title IV (EMT rules) became fully applicable. Existing stablecoin issuers had until this date to seek authorisation or wind down EU-facing operations.
- 30 December 2024: The remainder of MiCA — including the CASP licensing framework — became fully applicable across all 27 member states. Entities providing crypto-asset services prior to this date benefited from transitional grandfathering periods, which vary by member state (maximum 18 months, extiring no later than 1 July 2026).
Crypto-Asset Service Provider (CASP) Categories
MiCA defines nine regulated crypto-asset services:
- Custody and administration of crypto-assets on behalf of clients
- Operation of a crypto-asset trading platform
- Exchange of crypto-assets for funds or other crypto-assets
- Execution of orders for crypto-assets on behalf of clients
- Placing of crypto-assets
- Reception and transmission of orders for crypto-assets
- Providing advice on crypto-assets
- Providing portfolio management on crypto-assets
- Providing transfer services for crypto-assets
CASPs must be legal entities established in an EU member state and obtain authorisation from the relevant national competent authority (NCA). Authorisation provides a MiCA passport, allowing the CASP to offer services across all EU member states on the basis of home-member-state supervision — mirroring the MiFID II passporting model.
Issuance Requirements
ART and EMT issuers must publish a detailed crypto-asset white paper containing disclosures about the issuer, the crypto-asset, the underlying technology, risks, and rights attached to the token. White papers are not subject to prospectus-style pre-approval by regulators (except for significant ART/EMT issuers) but must be notified to the NCA and published before marketing commences. Issuers bear civil liability for misleading or inaccurate white papers.
Relationship to MiFID II
MiCA and MiFID II operate as a complementary but non-overlapping framework. Where a token constitutes a transferable security under Article 4(1)(44) of MiFID II, MiCA does not apply. Investment firms and market operators dealing in tokenized securities must comply with MiFID II requirements — prospectus regulation, best execution, transparency, and so on — potentially alongside the EU DLT Pilot Regime (Regulation 2022/858) where eligible.
Key Regulatory Contacts
The European Securities and Markets Authority (ESMA) and the European Banking Authority (EBA) jointly supervise MiCA implementation, with ESMA taking primary responsibility for CASP oversight and EBA overseeing significant ART/EMT issuers.
Related entries: MiFID II and Tokenized Securities, Stablecoin, Security Token
See also: EU Jurisdiction Overview, MiCA Regulation Full Text
Primary sources: Regulation (EU) 2023/1114 — EUR-Lex | ESMA MiCA Hub