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MiCA, effective since December 2024, regulates crypto-assets in the EU, enhancing consumer protection and market integrity

Key Points
  • Research suggests MiCA, effective since December 2024, regulates crypto-assets in the EU, enhancing consumer protection and market integrity.
  • It seems likely that CASP licenses, issued by national regulators like Luxembourg’s CSSF, allow crypto services across the EU, covering custody, trading, and more.
  • The evidence leans toward the Travel Rule, now in effect, requiring information for all crypto transfers, with stricter rules for transfers over €1,000 to self-custody wallets.
  • Users may face changes like providing counterparty details and verifying ownership for large transfers, with third-party self-custody transfers possibly restricted.
Overview of MiCA and Its Impact
The Markets in Crypto-Assets (MiCA) regulation, fully in force since December 30, 2024, is a comprehensive framework by the EU to regulate crypto-assets. It aims to protect consumers, ensure market integrity, and prevent financial crimes like money laundering. This regulation is significant for creating a harmonized market, fostering innovation while addressing risks.
CASP License and Regulatory Framework
A Crypto Asset Service Provider (CASP) license is required for entities offering crypto services in the EU. Issued by national financial regulators, such as Luxembourg’s Commission de Surveillance du Secteur Financier (CSSF), it allows services like custody, trading platform operation, and portfolio management across the EU and EEA. This license ensures compliance with MiCA’s standards, promoting a secure and transparent market.
Travel Rule and User Changes
The Travel Rule, part of MiCA, mandates that for all crypto transfers, users must provide counterparty information, including whether the address is self-custody or hosted. For transfers over €1,000 to self-custody wallets, a one-time ownership verification is needed. Transfers over €1,000 to third-party self-custody wallets are currently unsupported, as secure verification methods are being developed, impacting how users interact with crypto platforms.

Survey Note: Detailed Analysis of MiCA and Travel Rule Implementation
Introduction to MiCA: A Landmark Regulation
The European Union’s Markets in Crypto-Assets (MiCA) regulation, enacted as Regulation (EU) 2023/1114, entered full force on December 30, 2024, marking a pivotal shift in the regulatory landscape for crypto-assets. This framework aims to create a harmonized single market for crypto-assets, addressing the growing need for consumer protection, market integrity, and prevention of financial crimes such as money laundering and terrorism financing. MiCA categorizes crypto-assets into asset-referenced tokens (ARTs), electronic money tokens (EMTs), and other tokens, each with specific regulatory requirements to ensure transparency and stability.
The regulation’s objectives, as outlined in official EU documents, include fostering innovation by providing a proportionate regulatory treatment for issuers and service providers, enabling them to scale across borders. It also seeks to mitigate risks to investors, market integrity, and financial stability, as noted in a detailed overview by the European Commission . This dual focus makes MiCA a pioneering effort, positioning the EU as a leader in global crypto regulation.
CASP License: Enabling Crypto Services Across the EU
Central to MiCA is the Crypto Asset Service Provider (CASP) license, a mandatory authorization for entities providing crypto-asset services. The license, issued by national financial regulators in EU member states, such as Luxembourg’s Commission de Surveillance du Secteur Financier (CSSF), allows CASPs to operate across the EU and European Economic Area (EEA) under a passporting regime. This means once licensed in one member state, providers can offer services throughout the bloc without additional licenses, enhancing market access and efficiency.
The services covered under a CASP license, as defined in Article 3(1)(16) of MiCA, are comprehensive and include:
Service Category
Specific Services
Custody and Administration
Managing crypto-assets on behalf of clients, ensuring security and access.
Trading Platform Operation
Operating platforms for buying, selling, or trading crypto-assets.
Exchange Services
Exchanging crypto-assets for fiat currency or other crypto-assets.
Order Execution and Transmission
Executing or transmitting orders for crypto-assets on behalf of clients.
Placement and Advice
Placing crypto-assets and providing advice to clients on investment decisions.
Portfolio Management and Transfer
Managing portfolios of crypto-assets and facilitating transfers on behalf of clients.
These services ensure that CASPs adhere to high standards of compliance, as detailed in regulatory guidance from the European Securities and Markets Authority (ESMA) . The role of national regulators is crucial, as they assess applications, monitor compliance, and enforce MiCA’s provisions, creating a robust supervisory framework.
The Travel Rule: Enhancing Transparency in Crypto Transfers
The Travel Rule, integrated into MiCA through the Transfer of Funds Regulation (TFR) and detailed in the European Banking Authority (EBA) Guidelines, extends anti-money laundering (AML) and counter-terrorism financing (CTF) requirements to crypto transfers. Originally applied to traditional wire transfers, the Travel Rule now ensures that information about the sender and recipient accompanies crypto transactions, making them traceable and reducing illicit activities.
Under MiCA, effective from December 30, 2024, the Travel Rule mandates that for all crypto transfers, CASPs must collect and transmit specific data, including:
  • Name of the originator and beneficiary
  • Wallet addresses of both parties
  • Additional identification details, such as address, official personal document number, customer identification number, or date and place of birth, as per Articles 4(1) and 14(1) of Regulation (EU) 2023/1113.
For transfers involving self-hosted wallets (unhosted wallets), additional measures apply, particularly for transactions exceeding €1,000:
  • First-Party Self-Custody Wallets: CASPs must verify customer ownership or control using technical means, such as sending a predefined amount to the wallet or digital signing, as outlined in the EBA Guidelines .
  • Third-Party Self-Custody Wallets: For transfers over €1,000 to wallets not owned by the customer, CASPs must implement risk mitigation measures. Currently, such transfers are often unsupported, as secure verification methods are still being developed, reflecting the complexity of verifying third-party ownership.
The EBA Guidelines, effective from December 30, 2024, also specify procedures for detecting missing or incomplete information, with options to execute, reject, or suspend transfers based on risk, as detailed in Articles 8(1), 12, 17(1), and 21(1). This ensures a consistent approach across the EU, aligning with FATF standards and enhancing the AML/CTF regime.
Changes for Users: Practical Implications
As of May 23, 2025, users interacting with crypto services in the EU will experience several changes due to the full implementation of MiCA and the Travel Rule. These changes are designed to enhance security and transparency, aligning crypto transactions with traditional financial regulations. The key user-facing requirements include:
  1. Providing Counterparty Information: For all crypto transfers, users must provide details about the counterparty, including whether the receiving address is a self-custody wallet or hosted by an exchange. This ensures traceability and compliance with AML/CTF obligations, as per the EBA Guidelines.
  2. Ownership Verification for Self-Custody Wallets: For transfers exceeding €1,000 to self-custody wallets owned by the user, a one-time ownership verification is required. This involves methods like sending a small amount to the wallet or digital signing to confirm control, addressing the higher risk associated with self-hosted addresses, as noted in Recital 58 of Regulation (EU) 2023/1113.
  3. Restrictions on Third-Party Self-Custody Wallet Transfers: Transfers over €1,000 to or from self-custody wallets owned by third parties are currently unsupported. This restriction stems from the challenge of verifying third-party ownership, with CASPs working on secure solutions. Users may need to use hosted wallets or alternative methods for such transactions, reflecting the ongoing development of verification technologies.
These changes impact how users deposit and withdraw crypto-assets, particularly through web platforms, mobile apps, or APIs. For example, users will need to input additional information during transactions, and for large transfers to self-custody wallets, they may need to complete a verification process, which could involve technical steps like wallet interactions. The EBA Guidelines provide a transitional period, with CASPs having until July 31, 2025, to adjust systems, ensuring a smooth transition for users.
Conclusion and Future Outlook
The implementation of MiCA and the Travel Rule marks a new era for the crypto industry in the EU, providing legal certainty for service providers and enhanced protections for consumers. By requiring detailed information for all transfers and stricter verification for large transactions involving self-custody wallets, these regulations aim to reduce illicit activities and foster a secure market. As the EU continues to refine its regulatory approach, these measures are likely to influence global standards, contributing to the maturation of the crypto sector. Users are encouraged to stay informed about these changes, ensuring compliance and leveraging the benefits of a regulated crypto market.

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