Written by: Xie Yanceng

Terminology Reference Table

Scope of Research

This report systematically sorts out the tax rules for digital assets in Singapore from 2020 to the present. We analyze various electronic tax guidelines issued by the Inland Revenue Authority of Singapore (IRAS), regulatory documents issued by the Monetary Authority of Singapore (MAS), as well as the implementation of international cooperation frameworks such as CARF, hoping to provide readers with a comprehensive and clear regulatory picture.

Core Conclusions

Reviewing the development process of the past few years, Singapore's regulatory approach to digital asset taxation has followed a clear path: first establishing the basic principles of digital asset tax treatment through GST rules and income tax guidelines in 2020, then gradually refining the tax treatment details for various transaction scenarios. Next, achieving international tax compliance through CRS 2.0 and the CARF framework, and finally clarifying the tax treatment of emerging digital assets such as RWAs through the third version of the income tax guidelines in 2026. Overall, Singapore's regulatory policy centers on "exempting capital gains from tax while taxing business profits," while also emphasizing international cooperation and information transparency, providing a relatively clear and predictable tax environment for the digital asset industry.

Chapter 4 Tax Considerations Analysis for Cross-Border Digital Asset Transactions

After clarifying the tax treatment rules for domestic digital asset transactions, the next focus is on the special tax considerations in cross-border scenarios. Due to the involvement of multiple countries and jurisdictions in cross-border digital asset transactions, the tax rules are more complex and require special attention.

4.1 Definition and Scope of Cross-Border Digital Asset Transactions

Definition

Cross-border digital asset transactions refer to transactions involving digital assets across different countries or tax jurisdictions, mainly including the following situations: transferring digital assets between different countries, engaging in digital asset trading on foreign exchanges, transactions between Singapore tax residents and non-residents, as well as mining activities involving multiple countries.

"CRS 2.0 & Digital Asset Intermediaries" (July 2024):

Original citation: "Cross-border digital asset transactions refer to digital asset transfer, trading, payment, or income acquisition activities involving two or more tax jurisdictions, including transactions conducted by Singapore tax residents overseas and transactions conducted by non-Singapore residents in Singapore."

Translation: "Cross-border digital asset transactions refer to actions involving the transfer, trading, payment, or income acquisition of digital assets across two or more tax jurisdictions, including transactions conducted by Singapore tax residents overseas, and transactions conducted by non-Singapore residents in Singapore."

4.2 Tax Obligations of Singapore Taxpayers

4.2.1 Territorial Tax Obligations of Singapore Tax Residents

For Singapore tax residents, a core principle applies—the territorial tax principle. This means that Singapore only levies income tax on profits generated in or derived from Singapore; profits generated overseas do not need to be taxed in Singapore. For the virtual nature of digital asset transactions, the core criterion for determining the source of profits is not solely based on the location of servers, network platforms, and other technical carriers, but instead focuses on the core business operations that facilitate transactions and generate profits, including the locations of decision-making, operational management, and execution of business.

Additionally, with the implementation of the Crypto Asset Reporting Framework (CARF), Singapore will automatically exchange information with cooperating jurisdictions. Singapore tax residents holding overseas digital assets may have their relevant information exchanged with the IRAS.

Examples of profit source determination:

When a Singapore tax resident engages in digital asset trading on overseas exchanges (such as Binance, Coinbase), if the trading decisions, fund management, and risk control core business operations are completed in Singapore, even if the transactions occur on overseas exchanges, the associated profits are still considered Singapore-sourced profits and must be reported and taxed in Singapore.

If a Singapore tax resident establishes a company overseas and conducts digital asset trading through that company, and if the actual management and control center of that overseas company is in Singapore, the related profits may be considered Singapore-sourced profits and must be reported and taxed in Singapore.

If a Singapore tax resident holds overseas digital assets and earns staking rewards, and if the staking decisions and management are conducted in Singapore, the related income is considered Singapore-sourced income and must be reported and taxed in Singapore.

IRAS "Income Tax Treatment of Digital Tokens" (April 2020), section "Territorial Taxation Principle":

Original citation: "Singapore's taxation of digital asset transaction profits follows the territorial principle, only taxing profits arising in or derived from Singapore; the determination of profit source focuses on the location of core business operations that facilitate the transaction, not the physical location of servers or platforms."

Translation: "Singapore's taxation of digital asset transaction profits follows the territorial principle, only taxing profits arising in or derived from Singapore; the determination of profit source focuses on the location of core business operations that facilitate the transaction, not the physical location of servers or platforms."

"CARF Overview and Latest Developments" (December 2024):

Original citation: "Singapore plans to automatically exchange cryptocurrency transaction information with cooperating jurisdictions by 2028, including asset holding and transaction data of Singapore tax residents overseas."

Translation: "Singapore plans to automatically exchange cryptocurrency transaction information with cooperating jurisdictions by 2028, including asset holding and transaction data of Singapore tax residents overseas."

4.2.2 Tax Obligations for Non-Singapore Residents Regarding Singapore-Sourced Income

Non-Singapore residents generally only need to fulfill tax obligations on their Singapore-sourced income. However, when determining the source of income, both the physical location of the transaction carrier and whether the core business operations that generate profits occur in Singapore must be considered.

Tax treatment for non-residents deriving business profits from digital assets in Singapore:

For non-resident enterprises that derive business profits from digital assets in Singapore, if they have a permanent establishment (PE) in Singapore, they need to pay taxes at the corporate income tax rate of 17%;

If there is no permanent establishment, they need to pay taxes under withholding tax regulations (specific tax rates are determined according to the tax treaty between Singapore and the country of residence).

Avoidance of Double Taxation:

Singapore has signed double taxation avoidance agreements (DTA) with multiple countries, allowing for tax benefits under relevant agreements for income generated from digital asset transactions, thus avoiding double taxation. For example:

If income from digital asset transactions has already paid income tax in the source country, a tax credit can be applied when declaring in Singapore according to the agreement; non-resident enterprises that meet the conditions specified in the agreement can enjoy lower withholding tax rates.

IRAS "Income Tax Treatment of Digital Tokens" (April 2020), section "E-Commerce Transactions":

Original citation: "In the absence of any specific provisions in the Income Tax Act dealing with the taxation of e-commerce, the tax consequences of e-commerce transactions must be determined under Section 10 of the Income Tax Act. The correct approach is to focus on the core business operations that facilitate the e-commerce transaction to earn the relevant profits and their location, not the electronic means itself."

Translation: "In the absence of any specific provisions in the Income Tax Act dealing with electronic commerce taxation, the tax consequences of e-commerce transactions must be determined under Section 10 of the Income Tax Act. The correct approach is to focus on the core business operations that facilitate the e-commerce transaction to earn the relevant profits and their location, not the electronic means itself."

Section 12 of the Income Tax Act 1947 (Revised 2020):

Original citation: "If a server of a non-Singapore enterprise constitutes a Singapore permanent establishment (PE) and core business is conducted through that server, income tax must be paid on the relevant profits; the permanent establishment determination criteria are: the server is a fixed place of business, and important business activities of the enterprise are carried out through that server."

Translation: "If the server of a non-Singapore enterprise constitutes a Singapore permanent establishment (PE), and core business is conducted through that server, it must pay income tax on the relevant profits; the criteria for determining a permanent establishment are: the server is a fixed place of business and important business activities of the enterprise are conducted through that server."

4.3 Specific Tax Treatment of Cross-Border Digital Asset Transactions

4.3.1 Cross-Border Sale or Exchange of Digital Assets

The tax treatment principles for cross-border sales or exchanges of digital assets are the same as for domestic transactions and must be determined based on the nature of the transactions to see if they fall under business profits. However, in cross-border scenarios, special focus is needed on the rules for determining the source of profits, emphasizing the core business operations that facilitate transactions and generate profits and their locations.

4.3.2 Cross-Border Payments

Cross-border payments involve two parties: the payer and the payee. For the payer, the tax treatment when using digital assets to pay foreign entities depends on the nature of the transaction; for the asset recipient, the overseas payee must fulfill income reporting obligations under the local tax laws of their jurisdiction.

4.3.3 Cross-Border Mining

The income derived from cross-border mining should still be determined based on the location of business operations. The core challenge in this scenario lies in identifying the income source location, as the place where mining activities are conducted may significantly influence the determination of the income source. Therefore, it is essential to clarify where the mining activities actually take place.

4.3.4 Cross-Border Airdrops and Hard Forks

The tax treatment principles for cross-border airdrops and hard forks are consistent with those for domestic transactions, where relevant income must be determined based on whether it is acquired in the course of operations. However, when determining the source of income, it is necessary to consider where core business operations take place.

"Income Tax Treatment of Digital Tokens," sections 19-20:

Original citation: "The tax treatment of cross-border hard fork/airdrop income requires determining not only whether it is business income but also the profit source based on the location of core business operations; if the core operations are in Singapore, income tax is still required even if the assets are acquired overseas."

Translation: "The tax treatment of income from cross-border hard forks/airdrops requires determining not only whether it constitutes business income but also the profit source based on the location of core business operations; if the core operations are in Singapore, income tax is still required even if the assets are acquired overseas."

4.4 Differences in Tax Regulations Across Countries

4.4.1 Digital Asset Tax Regulations in Major Countries/Regions

Different countries/regions have varying tax treatments for digital assets, with the following examples from several major countries/regions:

4.4.2 Impact of Tax Residency Status

Another core point is the determination of tax residency status. An individual's tax residency status is the core basis for determining their tax obligations: if an individual is recognized as a tax resident in two jurisdictions simultaneously (i.e., a dual tax resident), the final tax residency status must be determined according to tie-breaker rules contained in comprehensive double taxation avoidance agreements signed by both parties. Therefore, clearly defining one's tax residency status is a key prerequisite for compliance with cross-border digital asset transaction tax obligations.

4.5 Tax Reporting and Compliance Requirements

4.5.1 Requirements of the Crypto Asset Reporting Framework (CARF)

With the implementation of CARF, Singapore will establish a crypto asset information reporting mechanism:

Crypto asset service providers must collect, record, and report customer-related crypto asset information to the IRAS as required;

The reporting frequency is at least once a year;

Plans to officially start collecting CARF-required information in 2027 and implement automatic information exchange with cooperating jurisdictions in 2028.

Specific content of CARF reporting:

• Customer identity information: name, address, date of birth, nationality, tax identification number, etc.;
• Account information: account opening date, account type, account balance, etc.;
• Holding information: quantities, valuations, and holding periods of various crypto assets;
• Transaction records: transaction date, type, amount, counterparty information, etc.;
• Income details: amounts and nature of income generated from mining, staking, trading, etc.;
• Cross-border transaction information: amounts transferred across borders, destinations, sources, etc.

Specific requirements for CARF due diligence:

• Customer identity verification: Crypto asset service providers must conduct KYC identity verifications, including verifying customer names, addresses, dates of birth, nationalities, etc., and keep copies of customer identification documents;
• Account classification: classify based on customer type (individual/entity) and asset size, enhance due diligence for high-net-worth clients (assets over 1 million SGD);
• Asset valuation: value crypto assets at fair market value at the time of the transaction using reliable market data sources (e.g., closing prices from mainstream exchanges, data from third-party valuation agencies);
• Record retention: keep all due diligence records and transaction data for a minimum of 5 years;
• KYC/AML and CARF integration: ensuring the integration of CARF declaration requirements into existing KYC/AML processes to ensure the completeness and accuracy of information collected.

Penalty rules for non-compliance with reporting requirements:

• Fines: failures in timely reporting or inaccurate reporting can incur fines up to SGD 10,000, and in severe cases, fines up to SGD 50,000;
• Administrative penalties: serious violations of CARF regulations may face administrative penalties such as operational restrictions, suspension, or revocation of licenses;
• Criminal liability: intentionally providing false information or evading declarations may face criminal charges, with a maximum sentence of 3 years in prison or fines or both.

4.5.2 CRS 2.0 Requirements

Digital asset service providers, as CRS reporting entities, must fulfill the following obligations:

• Conduct KYC identification for customers;
• Register customer account information;
• Annually report customer asset holdings;
• Share customer information with tax authorities.

IRAS "CRS 2.0 & Digital Asset Intermediaries" (July 2024), section "Due Diligence Requirements":

Original citation: "Digital asset service providers must conduct customer identification, account registration, and submit customer asset information to IRAS in accordance with CRS 2.0 requirements."

Translation: "Digital asset service providers must conduct customer identification, account registration, and submit customer asset information to IRAS in accordance with CRS 2.0 requirements."

4.6 Summary

This chapter provides a detailed analysis of the tax considerations for cross-border digital asset transactions, including definitions and scope, tax obligations for Singapore taxpayers, specific tax treatments for transaction scenarios, differences in tax regulations across countries, and tax reporting and compliance requirements. Key points include:

• Territorial taxation principle: Singapore only taxes profits arising in or derived from Singapore; profits generated overseas do not need to be taxed in Singapore.
• Profit source determination: focus on core business operations that facilitate transactions and the location where profits are generated, rather than the physical location of servers or platforms.
• Tax obligations for non-residents: Non-resident enterprises deriving digital asset business profits in Singapore must pay tax at a 17% corporate income tax rate if they have a permanent establishment; otherwise, they must pay taxes according to withholding tax regulations.
• Avoidance of double taxation: Singapore has signed agreements with multiple countries to avoid double taxation, allowing digital asset transaction income to benefit from tax concessions under relevant agreements.
• International compliance requirements: Through CARF and CRS 2.0 frameworks, a global automatic exchange of digital asset information may be achieved, enhancing tax transparency.

The tax treatment of cross-border digital asset transactions is more complex and requires comprehensive consideration of various countries' tax regulations and international tax treaties. The following sections will analyze the tax treatments for special cases of digital assets, including DAOs, forks, airdrops, and other specific scenarios.

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