Resources
Understand DAC8
A public reference library explaining DAC8, the global CARF framework, data-security risks and Bull Bitcoin's legal challenge.
Detailed reference pages without overloading the homepage.
Each resource is written as a citation-ready explainer: definition, practical stakes, primary sources and Bull Bitcoin's position. This helps readers, search engines and AI systems find the right page.
Frequently Asked Questions
Fast answers for readers discovering DAC8, CARF and Bull Bitcoin's legal challenge.
Glossary
Definitions of the key entities and reporting terms used by DAC8, CARF and crypto tax transparency rules.
Understanding DAC8
Core explainers: scope, calendar, reportable data and the EU tax transparency framework.
July 2026
What is DAC8?
DAC8 is Directive (EU) 2023/2226, the EU crypto-asset tax reporting directive that extends automatic exchange of information to crypto transactions.
July 2026
DAC8 crypto 2026
What changes for crypto users and service providers when DAC8 starts applying from 1 January 2026.
July 2026
DAC8 in brief
DAC8 imposes automatic crypto tax reporting, creating risks that go beyond taxation by linking identity, home address, transactions and value.
July 2026
DAC8 in the history of EU tax cooperation
How DAC8 fits into the EU Directive on Administrative Cooperation and the automatic exchange of tax information.
July 2026
DAC8, Ledger and self-custody
How DAC8 interacts with hardware wallets, self-custody and transfers involving crypto service providers.
July 2026
DAC8 and crypto exchanges
How DAC8 applies to crypto exchanges, brokers, custodians and platforms without making unsupported platform-specific claims.
July 2026
DAC8 scope: assets, providers and users
The DAC8 perimeter: reportable crypto-assets, reporting providers, reportable users and exclusions.
July 2026
DAC8 reporting requirements
Who must report under DAC8, what information is collected and how due diligence works.
July 2026
DAC8 in numbers
Essential order-of-magnitude figures: timeline, collected data, affected population and first exchange.
July 2026
DAC8 reporting deadlines
Key DAC8 dates: vote, adoption, publication, French transposition, collection start, first reporting period and first automatic exchange in September 2027.
July 2026
What data does DAC8 collect?
Identity (name and home address), tax residence, transactions and transfers: the data at the center of DAC8 risk.
Physical Risks
Why crypto tax reporting data can create concrete risks for holders and their families.
July 2026
DAC8 impact on crypto users
What DAC8 changes for users: automatic tax visibility, sensitive crypto data and exposure of relatives.
July 2026
Families on the front line
DAC8 can expose spouses, children and relatives: physical risk does not stop with the account holder.
July 2026
Physical violence and crypto
Why physical attacks against crypto holders make DAC8 and CARF data collection especially dangerous.
Data Security
Leaks, internal access, centralization and the special sensitivity of public blockchain addresses.
July 2026
Data leaks and DAC8
Why DAC8 adds a sensitive crypto database to an environment already marked by mass leaks, misconfiguration and insider corruption.
July 2026
Blockchain transparency
Why a blockchain address exposes more than an account number and makes mass collection disproportionate.
July 2026
Centralization or dissemination
Why concentrating sensitive crypto data creates a more dangerous target than separate databases held by accountable actors.
July 2026
Bureaucratic access and leak risk
Why a database shared between administrations is a honeypot: it multiplies human access points and can make one leak catastrophic.
Global CARF
How DAC8 connects to the OECD Crypto-Asset Reporting Framework and global tax reporting.
July 2026
CARF countries list
Source-backed guide to CARF participating jurisdictions, commitment waves and the difference between political commitment and domestic law.
July 2026
CARF: the global crypto reporting framework
The OECD Crypto-Asset Reporting Framework is the global model for automatic crypto-asset tax reporting.
July 2026
What is CARF?
CARF is the OECD Crypto-Asset Reporting Framework, the global standard for automatic exchange of tax information on crypto-asset transactions.
July 2026
Global CARF calendar
The 2027, 2028 and 2029 CARF waves, and why political commitments differ from domestic legal obligations.
July 2026
CARF, CRS and FATCA
Why CARF borrows the logic of automatic financial information exchange but applies it to more exposing crypto data.
July 2026
DAC8 vs CARF
DAC8 is the EU crypto tax reporting directive; CARF is the OECD global standard behind automatic crypto-asset tax information exchange.
July 2026
CARF reporting requirements
Reportable providers, users, transactions and data under the OECD Crypto-Asset Reporting Framework.
Policy Effects
Possible unintended consequences: regulated-market exit, uncertain effectiveness and MiCA tension.
July 2026
The reverse effect of DAC8
DAC8 may push rational users out of regulated CASPs (P2P, mining, non-custodial wallets, offshore), contradicting MiCA and weakening the European market the EU spent five years building.
July 2026
DAC8 impact on crypto businesses
Compliance costs, reporting systems, sensitive data and economic incentives for crypto-asset service providers.
July 2026
DAC8, MiCA and DORA
Why DAC8 creates tension with Europe's goal of building a regulated, safe and resilient crypto market.
July 2026
Unproven effectiveness
Why such intrusive data collection should require strong evidence of tax effectiveness, which remains insufficient.
Legal Action
The legal challenge, proportional alternatives and the legal basis of the campaign.
July 2026
Bull Bitcoin's legal action before the Conseil d'État
The challenge filed against the French DAC8 transposition decree and why it matters.
July 2026
DAC8 France
French DAC8 transposition, decree n° 2025-1276, PSAN/CASP impact and Bull Bitcoin's legal challenge.
July 2026
French decree n° 2025-1276 and DAC8
What decree n° 2025-1276 does in the French DAC8 transposition and why Bull Bitcoin challenges it.
July 2026
The alternative: targeted information requests
Why targeted, motivated tax information requests are safer than mass automatic crypto reporting.
Sources
Official texts, reports and references used to document the site.