The Crypto-asset Reporting Framework (CARF) represents a major step toward completing the global tax transparency architecture for digital assets.1 It arrives at a pivotal moment: business models are under pressure, digital-asset strategies are uneven and regulatory expectations on data and non-financial risk have never been higher. Treating CARF as ‘just another reporting regime’ would be a mistake. CARF will shape how Swiss institutions design their digital-asset offerings and operating models, structure their cross-border business and manage client trust over the next decade.
What makes the Swiss situation unique is not only the nature of CARF, but also its timing and sequencing. Switzerland has committed to implementing the OECD standard and extending the automatic exchange of information (AEOI) to crypto-assets, however the path is in a sense asymmetric.
In November 2025, the National Council’s Economic Affairs and Taxation Committee (EATC) postponed the full implementation of CARF until after 2026 (provisional start date January 2027). This means that due diligence and data-collection obligations will still need to be built, even though the actual cross border-exchange will not start until 2027 or later. This creates a ‘compliance without visible upside’ phase, in which banks must invest in systems and processes before clear revenue benefits or competitive differentiation.
In this phase, institutions face a choice. One option is to bolt CARF onto existing Common Reporting Standards (CRS), Foreign Account Tax Compliance Act (FATCA) and similar frameworks as a narrow-scope add-on. This might involve sending updated questionnaires to clients, implementing new data fields for minor reporting changes and setting up project teams from the already overstretched compliance and tax experts.
The other option is to treat CARF as a catalyst to rationalize how the bank handles tax transparency, client and transaction data and digital-asset infrastructure overall. Only the second option positions Swiss banks to turn regulatory duty into a strategic advantage.
The new Swiss CARF reality
CARF’s core message is straightforward: cryptocurrencies and other relevant digital assets should no longer sit outside the perimeter of global tax transparency. For Swiss banks offering custody, brokerage or tokenization services – or planning to do so – this implies that certain entities will be classified as Reporting Crypto-asset Service Providers (RCASP). The perimeter may, based on specific circumstances, even extend to lending, where crypto-assets can provide legitimate collateral and investment banking business, such as prime brokerage. Accruing obligations will as a minimum include identifying relevant clients, collecting tax-relevant information and reporting it to the Federal Tax Authority in a standardized format.
However, the Swiss regulatory implementation context complicates matters. Swiss legislators and administration both need to align CARF with existing AEOI (CRS) and domestic frameworks, decide on reciprocity constraints and define when and how cross-border exchanges will start. Banks therefore will feel obliged to build robust CARF capabilities even while partner lists, first-exchange years and certain operational details may keep evolving. In practice, this means that a ‘pre-exchange’ phase is emerging, during which data quality, governance and documentation will already be in-focus, although the compatibility of that data with the final reporting requirements per jurisdiction may not be guaranteed.
At the same time, CARF joins a crowded change agenda that includes CRS 2.0 requirements, global minimum taxation, evolving EU initiatives and a renewed Swiss regulatory focus on non-financial risks, notably data management and operational resilience. As highlighted in FINMA’s 2025 Risk Monitor, non-financial risks such as cyberattacks, outsourcing deficiencies, ICT complexity and money laundering are now considered elevated, and institutions are expected to strengthen risk culture, governance and operational resilience to meet these supervisory expectations.
Why minimal compliance is a value trap
The instinctive response of many financial institutions is to do the absolute minimum required to be formally compliant. In a typical ‘patch and extend’ approach, a bank adds CARF work-packages to its existing CRS program, adjusts onboarding forms to capture new client data points and introduces manual reconciliations between different booking and custody platforms. This is precisely where the long-term problems begin.
On the one hand, the traditional part of the business understands and reports on accounts, cash transactions, asset portfolios, corporate events, etc. On the other, the crypto part works with wallets, token types, different kinds of custody and transaction flows which are captured and reported differently and are based on different internal data sources. In short, different parts of an organization have different understandings of what data to capture, where and how. In the simplest, traditional-finance focused worldview, the integration between on-chain activity, third-party custodians and the core banking system of the bank is handled through spreadsheets and tactical interfaces.
While such approaches can get a bank over the line for the first reporting cycles, they carry structural disadvantages. Firstly, they lock-in high run-the-bank costs because each new regulatory reporting regime (or change to an old one) requires bespoke adaptation. Secondly, they heighten operational risk at precisely the time when regulators are raising expectations for data integrity, data control systems and resilience. Fragmented data models increase the risk of inconsistent or erroneous reporting, which in turn can lead to inquiries from tax authorities or supervisors and reputational damage in sensitive client segments.
Lastly, minimal compliance does nothing to improve the client experience. Affluent and private clients increasingly expect their banks to offer coherent, tax-transparent digital-asset solutions across jurisdictions. If CARF leads to more questions, more forms and more ‘homework’, without removing transaction friction or adding some value for clients, then Swiss banks miss an opportunity to position themselves as trusted advisors in a complex digital landscape. Given that FINMA is intensifying its scrutiny of non-financial risks, including ICT, outsourcing and cyber resilience, a fragmented approach to CARF also increases the risk of regulatory intervention and enforcement action.
A different blueprint: tax-ready digital assets
A more ambitious approach views CARF as an opportunity to build an integrated, tax-ready digital asset operating model.
The starting point is to acknowledge that CARF, CRS, FATCA, etc., are not unrelated regimes but different expressions of the same underlying requirement: the need to know who the clients are, where the clients are tax-domiciled, what assets and income streams they hold, how these have been accrued/generated and how to report them accurately in the mandated format.
From this perspective, Swiss banks can design a harmonized client and data model supporting all said regimes in a consistent way. Instead of maintaining separate classification engines and documentation flows, they can develop a common tax-transparency layer which will integrate with KYC, product, booking, custody and reporting logic. When the rules for one regime change or when an additional regime is added as a requirement, the impact will be managed within a common architecture rather than spread across multiple bespoke solutions.
On the digital asset side, CARF can be the trigger to industrialize reporting rather than treat it as a niche activity. This means building data architectures that can ingest and normalize both on- and off-chain events, associate them with the correct clients and account/custody structures and produce high-quality, reconcilable records. It also means leveraging existing strengths of the Swiss market, such as established financial market infrastructures and their data offerings, to avoid reinventing the wheel. Integration and tokenization platforms and DLT-based solutions should be designed from the outset with tax transparency in mind and ideally embedded in a client lifecycle framework which transcends the traditional-vs-crypto-finance divide.
Crucially, CARF should be embedded in cross-border, global custody and booking-center strategy, not managed as an afterthought. Decisions about which entities qualify as reporting service providers, what level of digital-asset offering is maintained in which jurisdiction(s), how digital assets are custodied and where, and how client segments are booked in different centers, all have direct implications for CARF obligations and cost.
A strategic view can assist the decisioning about where concentration of activity makes sense, where outsourcing or other third-party models could be considered and where the bank can credibly market ‘fully tax-transparent digital-asset services’ as a differentiating feature – a ‘Swiss finish’ of sorts.
From concept to action
Turning this blueprint into reality does not require a multi-year ‘big bang’ program. Instead, banks can focus on three gradual, concrete moves.
- Conduct an integrated assessment across CARF, CRS, FATCA, etc., to map client segments, products, booking flows and systems against current and future (including probable future) obligations. This exercise should go beyond compliance, to address business model, operational, data and client-experience questions. It will reveal where risk appetite needs to be followed with action and where harmonization is feasible or where legacy constraints must be risk-managed.
- Design a common classification and documentation engine at the intersection of tax, custody, compliance and KYC. The goal should be to minimize duplicate data collection and reduce friction for clients while increasing the reliability of the information used for reporting. Where digital-asset services are in scope, the taxonomy of assets and transaction types required by CARF should be built into this engine from the outset.
- Evaluate the operating-model options for CARF reporting and related controls, including the potential use of specialized data providers. For some banks, centralization in a single competence center may be optimal, while for others a federated service model aligned with business lines or booking centers might make more sense. In all cases, clarity on roles, responsibilities and accountability is essential.
By choosing a strategic, rather than a tactical, approach to CARF implementation, Swiss banks can reduce long-term costs and risk, improve client trust in digital-asset offerings and strengthen their position as global leaders in innovative and compliant banking services. A focused, forward-looking CARF program should not just be about satisfying the next regulatory deadline. It should be about shaping the sort of tax-transparent, data-driven bank which the future Swiss financial center will require, in line with FINMA’s expectations for robust governance and operational resilience.
Capco: your strategic CARF implementation advisor
Capco is uniquely positioned to assist financial institutions with designing and operationalizing a robust, forward-looking CARF implementation. Drawing on a strong track record in regulatory advisory, our teams work seamlessly with clients to integrate new frameworks into their operational environments, in alignment with evolving tax standards and regulatory expectations.
Furthermore, our deep expertise in blockchain technology and the digital asset ecosystem puts at your disposal comprehensive know-how around the opportunities and challenges of crypto markets in general, including crypto-token analysis, digital custody and compliance.
With these capabilities, Capco competently supports financial institutions in designing and implementing scalable end-to-end solutions that strengthen compliance, enhance operational resilience and anticipate future regulatory developments.
Contact us to discuss how our experts can assist you to safely navigate CARF obligations and enable you to safeguard your strategic investments in client-centric and tax-compliant digital asset services.