A Global Guide to the Crypto-Asset Reporting Framework (CARF) – The End of Crypto Anonymity

For years, the decentralized nature of digital assets presented a massive blind spot for global tax authorities. To close this gap, the OECD introduced the Crypto-Asset Reporting Framework (CARF)—a global tax transparency initiative designed to automatically share crypto transaction data across international borders.

As a leading global financial hub, Singapore has officially joined the international coalition implementing CARF, with reporting requirements set to take effect by 2027.

If you are a Web3 founder, running a crypto exchange, or managing digital assets in Singapore, CARF is not just a future tax problem—it is a present-day operational reality. Here is exactly what the framework means for your business and how you need to prepare.

What is CARF?

At its core, CARF applies the same strict reporting standards used for traditional bank accounts (under the Common Reporting Standard, or CRS) to the crypto ecosystem.

Under CARF, companies that facilitate crypto transactions must collect detailed tax and personal information about their users and report it to their local tax authority (in this case, IRAS). IRAS will then automatically exchange this data with the tax authorities of the users’ home countries.

The Bottom Line for Founders:

• Total Transparency: Your users’ transaction histories, wallet balances, and fiat conversions will no longer be private from tax authorities.
• Increased Overhead: You will need to overhaul your user onboarding to collect tax residency data.
• Cross-Border Friction: Because data is shared globally, improper reporting in Singapore could trigger audits for your users in their home jurisdictions.

Does CARF Apply to Your Business?

CARF targets Reporting Crypto-Asset Service Providers (RCASPs). The definition is intentionally broad to capture as much of the industry as possible. You likely fall under CARF if your Singapore entity operates as:

• A Crypto Exchange: Facilitating trades between crypto and fiat currencies, or between different cryptocurrencies.
• A Digital Wallet Provider: Custodying digital assets for clients.
• A Crypto Broker or Dealer: Executing crypto asset transactions on behalf of customers.
• A Crypto ATM Operator: Providing physical kiosks for crypto purchasing.

The Singapore Context: Navigating MAS and IRAS

For founders in Singapore, CARF represents an intersection of two major regulatory bodies:

1. The Monetary Authority of Singapore (MAS)

If you operate a crypto business in Singapore, you are likely already navigating the Payment Services Act (PSA) and holding (or applying for) a Digital Payment Token (DPT) license. While MAS requires strict Anti-Money Laundering (AML) and Know Your Customer (KYC) protocols, CARF adds a strict tax-reporting layer on top of your existing compliance.

2. Inland Revenue Authority of Singapore (IRAS)

IRAS will be the primary collector of CARF data. Singapore has committed to commencing data exchanges under CARF by 2027. This means the systems you use to track, audit, and report your users’ financial movements must be fully operational and tested well before that deadline.

The Founder’s Action Plan: 3 Steps to Take Today

Do not wait until the deadline approaches to start upgrading your systems. Start aligning your operations with CARF now to avoid compliance bottlenecks that could stall your growth or jeopardize your MAS licensing.

Step 1: Audit Your KYC and Onboarding Flows

Your current KYC process might satisfy AML laws, but does it satisfy tax laws? Under CARF, you must collect your users’ Tax Identification Numbers (TIN) and verify their tax residency. You will need to update your user agreements, privacy policies, and app interfaces to capture and securely store this data.

Step 2: Overhaul Your Bookkeeping and Ledger Systems

Basic accounting software cannot handle CARF reporting. You need a robust, enterprise-grade accounting setup that can cleanly separate fiat transactions, crypto-to-crypto swaps, and retail transfers. If your back-office financial reporting requires an overhaul, it is also the perfect time to choose the right Financial Year End (FYE) for your Singapore company to streamline your reporting and maximize your startup tax exemptions.

Step 3: Reassess Your Corporate Structure

With global data sharing becoming the norm, the exact jurisdiction where your entities are incorporated matters more than ever. If you are launching a new Web3 entity to handle specific assets, ensure you review our complete guide on how to register a company in Singapore so your structural foundation is fully compliant from day one.

Don’t Let Compliance Slow Your Growth

The transition to CARF will require significant administrative heavy lifting, but it also presents an opportunity. Web3 companies that build robust, compliant infrastructure today will win the trust of institutional investors and high-net-worth users tomorrow.

Future-proofing your crypto business requires a partner who understands both decentralized finance and local tax laws. Hub Corporate Services provides specialized annual compliance and tax services designed for Singapore’s most innovative companies.

Ready to get ahead of the regulations? Speak to our local compliance experts today.