If you've been involved in international tax planning or offshore structuring at any point in the last decade, you're familiar with the Common Reporting Standard (CRS). Implemented in 2018 across most major jurisdictions, CRS fundamentally changed the way financial account information is shared between countries, effectively ending the era of easy offshore secrecy for traditional financial assets.

Now, a parallel framework is being rolled out specifically for digital assets. The Crypto-Asset Reporting Framework, or CARF, was developed by the OECD and is poised to bring the same level of transparency to the digital asset world. For businesses, fund managers, and individuals with international digital asset holdings, this is a significant development.

A Quick Refresher on CRS

The Common Reporting Standard requires financial institutions in participating jurisdictions to identify and report information about account holders who are tax residents of other participating countries. This information is then automatically exchanged between tax authorities on an annual basis.

CRS covers a wide range of financial accounts: bank accounts, custodial accounts, certain investment funds, and insurance products. When it was introduced, it dramatically increased the ability of tax authorities worldwide to identify undeclared offshore assets. Over 100 jurisdictions now participate in CRS exchanges.

However, CRS was designed for traditional finance. It does not directly cover digital assets held on exchanges, in self-custodied wallets, or through decentralized protocols. This gap has not gone unnoticed by regulators.

Enter CARF: Closing the Digital Asset Gap

The Crypto-Asset Reporting Framework was published by the OECD in 2023 and is specifically designed to extend automatic information exchange to digital assets. CARF requires digital asset service providers, including exchanges, brokers, and certain DeFi platforms that act as intermediaries, to collect and report transaction-level data on their users to the relevant tax authority.

The scope of CARF is broad. It covers:

• Reportable digital assets: Digital assets that rely on cryptographically secured distributed ledger technology, including tokens, stablecoins, and certain NFTs with investment characteristics. Central bank digital currencies (CBDCs) are generally excluded.
• Reportable transactions: Exchanges of digital assets for fiat currency, exchanges of one digital asset for another, transfers of digital assets (above prescribed thresholds), and certain retail payment transactions using digital assets.
• Reporting entities: Any entity or individual that, as a business, provides services to effect exchange transactions in digital assets on behalf of customers. This includes centralized exchanges, certain decentralized platforms with intermediary functions, and digital asset brokers.

What Information Will Be Reported?

Under CARF, reporting entities will be required to collect and report:

• The identity of the user (name, address, jurisdiction of tax residence, taxpayer identification number, date of birth)
• The type and amount of digital assets involved in each reportable transaction
• The aggregate value of transactions over the reporting period
• The nature of the transaction (exchange for fiat, exchange for other digital assets, transfer)

This information will then be exchanged between the tax authorities of the user's jurisdiction of residence and the jurisdiction where the reporting entity operates, similar to how CRS exchanges work today.

Timeline: When Does This Take Effect?

CARF adoption is progressing rapidly. The OECD has been working with jurisdictions to integrate CARF into their domestic legal frameworks, and several major economies have already committed to implementation timelines:

• European Union: The EU's DAC8 directive incorporates CARF requirements, with reporting obligations expected to begin for the 2026 tax year, with first exchanges in 2027.
• Canada: Canada has been an active participant in CARF development and has signaled its intention to implement the framework. Draft legislative proposals have been released, with reporting expected to commence in the 2026-2027 timeframe.
• United Kingdom, Singapore, and other jurisdictions: Several other major financial centres have committed to early adoption, with timelines generally falling in the 2026-2028 range.

The pace of adoption means that by 2028, the majority of significant financial jurisdictions will likely be exchanging digital asset information under CARF.

Impact on Offshore Structures

For businesses and individuals that hold digital assets through offshore structures, whether that's a BVI investment fund, a Cayman holding company, or a Singapore-based trading entity, CARF has several important implications:

Increased Transparency

Digital assets held on exchanges or through service providers in CARF-participating jurisdictions will be reported to the tax authority of the beneficial owner's country of residence. The information asymmetry that some structures relied on, where the home country tax authority simply didn't know about offshore digital asset holdings, is going away.

Substance Matters More Than Ever

Structures that lack genuine economic substance, those set up primarily for tax avoidance rather than legitimate business purposes, will face increased scrutiny as CARF data flows between jurisdictions. Tax authorities will have more data points to identify arrangements that don't align with where real economic activity is taking place.

Interaction with CRS

CARF is designed to complement CRS, not replace it. Entities that are already reporting under CRS may have additional obligations under CARF for digital asset activity. The two frameworks together create a comprehensive web of automatic information exchange that covers both traditional and digital financial assets.

How to Prepare

Whether you're a digital asset service provider, a fund manager, or an individual with significant digital asset holdings, there are practical steps you can take now to prepare for CARF:

Understand Your Reporting Obligations

If your business provides exchange or custodial services for digital assets, determine whether you will be classified as a reporting entity under CARF in the jurisdictions where you operate. Begin assessing the data collection and reporting infrastructure you'll need.

Review Your Structures

If you use offshore entities for digital asset investment or trading, review those structures with CARF in mind. Ensure that the structures have genuine economic substance and that the beneficial ownership is properly documented. Structures designed primarily around information opacity will not survive the CARF era.

Get Your Records in Order

Accurate record-keeping has always been important, but with automatic information exchange, discrepancies between what you report and what is reported about you will become visible to tax authorities. Make sure your transaction records are complete, your cost bases are accurate, and your tax reporting is consistent with the data that will be exchanged.

Stay Informed

CARF implementation details are still being finalized in many jurisdictions. Keep track of legislative developments in the countries relevant to your operations and engage with advisors who are following the process closely.

The Bigger Picture

CRS and CARF together represent a fundamental shift in international tax transparency. The direction is clear: tax authorities around the world want visibility into where assets are held and where income is generated, regardless of whether those assets are traditional or digital.

For businesses and individuals operating internationally, this doesn't mean offshore structures are no longer viable. It means they need to be designed and maintained with transparency and substance as core principles, not as an afterthought.

At Zillion Star, we help clients navigate both CRS and CARF obligations, review existing structures, and build new ones that are designed for the transparency era. If you have questions about how these frameworks affect your situation, we're here to help.