SignorCrypto note · CRYPTO
DAC8 Crypto Reporting: What Changes for Users in 2026
A clear guide to the first EU reporting year, the 2027 data exchange and what platforms and users still need to track.

From 1 January 2026, EU Member States must apply DAC8’s crypto-asset reporting rules. Reporting crypto-asset service providers identify reportable users and collect information on in-scope activity; tax authorities exchange relevant data across borders. The first reporting year is 2026, with the first EU exchange due by 30 September 2027. DAC8 expands tax-information sharing—it does not set a single EU crypto tax rate or decide whether a particular person owes tax on a trade.
What DAC8 is—and why 2026 matters
DAC8 is Council Directive (EU) 2023/2226, which amends the EU Directive on Administrative Cooperation in taxation. Adopted on 17 October 2023, it requires Member States to transpose the rules by 31 December 2025 and apply them from 1 January 2026. The directive establishes provider due-diligence and reporting procedures so tax administrations can receive and exchange information about crypto-asset users.
That makes 2026 the first reporting year, not the year when every cross-border file is already exchanged. Providers submit information to their national tax authority in the calendar year after the activity; the Commission says information about non-resident users must then be exchanged with the user’s country of residence within nine months of the reporting year. For 2026, that cross-border exchange is due by 30 September 2027.
Who reports, and what is in scope?
The reporting obligation falls on Reporting Crypto-Asset Service Providers (RCASPs) covered by the directive. Their customer due-diligence process identifies users and determines which information is reportable. The European Commission says DAC8’s scope builds on MiCA’s crypto-asset definitions and also covers certain decentralised-issued assets, stablecoins—including e-money tokens—and certain NFTs.
The practical data flow is provider → national tax authority → relevant tax authority in another EU Member State. It is not a public feed of every blockchain transaction. The exact reportable dataset and domestic filing procedure follow the directive and each country’s implementation, so a user or service provider should not infer the reporting outcome from an asset’s label alone.
National tax authorities in Estonia and Finland describe their local 2026 process as collecting user information and data on purchases, sales and transfers, with annual reporting. Both describe aggregate reporting by crypto-asset in their implementation guidance. Those examples help explain the workflow, but country-specific filing forms, deadlines and any additional national fields can differ.
DAC8 and CARF are related, not interchangeable
The OECD’s Crypto-Asset Reporting Framework (CARF) is the international standard for collecting and automatically exchanging tax information on relevant crypto-asset activity. The Commission says DAC8 rules are based on CARF; OECD commentary and FAQs can help interpret aligned provisions. DAC8 is the EU legal instrument that amends the EU administrative-cooperation system, while CARF is the wider international standard. A provider operating across jurisdictions may therefore need to check both the applicable EU rules and local CARF implementation.
What crypto users should do now
- Check identity and tax-residence details held by each relevant service provider, including the tax identification number requested under its due-diligence process.
- Keep your own transaction records. Save exchange statements, dates, quantities, fees and transfer references so you can reconcile a provider’s information with your records.
- Track transfers between accounts you control. A transfer record helps explain why assets appear in more than one provider’s data; do not assume a platform report is a complete tax calculation.
- Continue to follow your country’s tax rules. Tax authorities in Finland and Estonia explicitly tell users that improved reporting does not remove their responsibility to report taxable income or gains under national rules. The taxable treatment of a transaction remains country-specific.
- Ask the provider how it handles corrections. If your residence, identity or transaction history is inaccurate, use the provider’s documented process and retain the response.
DAC8 is best understood as a new information layer between service providers and tax administrations. Better visibility may help authorities compare records, but a report is not itself a tax assessment and does not replace local filing guidance.
What crypto service providers should prepare
Providers should map their legal entities, customer jurisdictions, covered services and relevant asset categories; document how due-diligence data is collected and refreshed; and test the annual reporting process from source records through validation, submission and correction. Where one group serves customers in several countries, keep national filing requirements distinct rather than assuming that one implementation detail applies everywhere.
Product and engineering teams should also define data ownership, access controls, retention, audit trails and exception handling. These are operational controls, not conclusions about whether an individual user owes tax.
FAQ
Does DAC8 create a new EU crypto tax?
No. DAC8 creates due-diligence, reporting and administrative information-exchange rules. It does not establish one EU-wide tax rate for crypto-assets or determine how every transaction is taxed; national tax law still governs a user’s position.
When does DAC8 reporting start?
Member States apply the rules from 1 January 2026. The first reporting year covers 2026 activity, and the first EU exchange of information is due by 30 September 2027.
Does an exchange report replace my tax return?
No. National rules still determine what a user must declare. Finland’s and Estonia’s tax authorities explicitly state that users remain responsible for reporting relevant income or gains and checking their tax information.
Is every NFT or self-custody transfer automatically reported?
Do not assume so. DAC8 has a defined scope and reporting duties for covered providers; the Commission includes certain NFTs and decentralised-issued assets, not a blanket statement that every token or wallet movement is reportable. Check the applicable national guidance and the provider’s reporting notice.
Sources
- European Commission: DAC8 overview, scope and reporting timeline
- Council Directive (EU) 2023/2226 on EUR-Lex
- OECD: Crypto-Asset Reporting Framework FAQs
- Estonian Tax and Customs Board: Crypto-asset tax reporting (DAC8/CARF)
- Finnish Tax Administration: New information-reporting obligation for crypto-asset services
If your team is mapping a compliant reporting data flow or integrating provider and tax-authority systems, contact SignorCrypto to scope the product, data model and integration work.