1. Why Was Regulation Needed?

The explosive growth of cross-border crypto-asset transactions created serious challenges for European tax authorities. The pseudonymity of blockchain addresses, fragmented national regimes (France: PSAN, Estonia: VASP, Germany: BaFin crypto custody licence, Malta: VFA framework) and the lack of traceability made capital gains virtually impossible to tax. The EU responded with a two-pronged approach: market regulation (MiCA) and tax transparency (DAC8).

2. DAC8: Tax Transparency for Crypto-Assets

What is DAC8?

Adopted by the EU Council in October 2023, the 8th Directive on Administrative Cooperation (DAC8) amends Directive 2011/16/EU and draws heavily from the OECD’s Crypto-Asset Reporting Framework (CARF). It is a tax transparency directive, not a market regulation. It applies from 1 January 2026.

Scope and Reporting Obligations

DAC8 applies to all CASPs (exchanges, custodian wallets, trading platforms, transfer operators) serving EU residents, including non-EU actors. CASPs must collect and report to national tax authorities :

• User identification (name, address, date of birth)
• Tax identification number (TIN) and tax residence
• Details of crypto transactions (sales, exchanges, transfers)
• Fair market value of transactions (in fiat equivalent)

3. MiCA: Market Regulation

A Directly Applicable Regulation

The Markets in Crypto-Assets Regulation (MiCA, 2023) has been fully applicable since end-2024, with transitional periods largely expired by 2026. Unlike DAC8, it applies directly in all Member States and pursues three objectives: harmonization, investor protection, and market stability.

Single Authorisation and EU Passporting

MiCA introduces a single authorization from a national competent authority, valid across all 27 Member States (EU passport). CASPs must meet requirements in capital adequacy, governance, cybersecurity and anti-money laundering. Supervision operates at two levels: national authorities for CASPs, ESMA at EU level, and the EBA for significant stablecoins.

4. MiCA vs DAC8: Two Complementary Instruments

5. Practical Impacts and Outlook

In 2026, CASPs face dual compliance (MiCA + DAC8) which drives up costs but grants greater legitimacy. Major exchanges adapted their processes throughout 2025–2026. For EU users, protection is strengthened but fiscal pseudonymity is a thing of the past. The broader framework — MiCA, DAC8, AML Directives, the Travel Rule (ToFR), and DORA (cybersecurity) positions the EU as one of the most advanced crypto jurisdictions in the world, balancing innovation with rigorous oversight. Institutional confidence and market consolidation are expected to follow.

Hervé Puteaux – CEO Of JPA International,  CPA and French Statutory Auditor

JPA, France