Portugal Crypto Tax Guide 2026 — 28% Rate & 365-Day Exemption

Capital Gains on Crypto (28% Rate and 365-Day Exemption)

Portugal introduced a clear tax framework for cryptocurrency in the 2023 State Budget (Lei 24-D/2022), effective from 1 January 2023. Under this regime, capital gains from the sale or exchange of crypto assets are treated as Category G (capital gains) income for IRS purposes. The key distinction is the holding period: if you hold a crypto asset for less than 365 days from acquisition to disposal, the gain is taxed at a flat 28% rate (with an option to aggregate with other income and be taxed at progressive rates of 13–48% if that results in lower tax). If you hold the crypto asset for 365 days or more, the gain is exempt from tax. The 365-day period is counted from the date of acquisition to the date of disposal on an asset-by-asset basis (FIFO method not specified in law — most advisors use FIFO by default). This exemption applies regardless of the amount gained. The exemption does not apply to crypto assets defined as securities or financial instruments under Portuguese law (e.g., security tokens that qualify as securities under the Código dos Valores Mobiliários), which are taxed at a flat 28% regardless of holding period. Losses from crypto disposals can only offset gains from other crypto disposals — they cannot offset other types of capital gains or ordinary income.

Staking, Lending, and DeFi Income

Income from staking, lending, yield farming, and other DeFi activities is treated differently from capital gains. Under the 2023 framework, crypto rewards received from staking, lending, or providing liquidity are classified as Category E (investment income) if the activity is considered passive — meaning you are not actively managing the validation process. This income is taxed at a flat 28% regardless of holding period, with no option to aggregate at progressive rates. If you actively run a validator node or engage in mining as a business, the income may be reclassified as Category B (self-employment/business income) and taxed at progressive IRS rates (13–48%), with the benefit of deducting business expenses. The distinction between passive and active staking is not fully codified in law and relies on guidance from the Autoridade Tributária (AT). In practice, liquid staking through exchanges and staking pools is treated as passive investment income (Category E, 28%). Validator node operation is treated as self-employment (Category B, progressive rates). Airdrops are generally considered Category E income (or Category G if they are deemed a disposal of rights) — the AT has not issued definitive guidance. NFT trading is subject to the same rules: capital gains on NFTs held <365 days are taxed at 28%; held >365 days are exempt. Income from creating and selling NFTs as a regular activity may be classified as Category B.

Mining Income

Crypto mining income is classified based on your level of involvement. Occasional hobby mining (e.g., running a single GPU at home) is not specifically addressed in the legislation, but the AT has indicated it may be treated as Category E (investment income) taxed at 28% if it is not a regular business activity. Professional mining operations — where you have dedicated equipment, significant electricity costs, and a profit motive — are treated as Category B (self-employment/business income). In this case, you can deduct expenses: hardware depreciation, electricity, internet, rent, and maintenance. The net profit is taxed at progressive IRS rates (13–48%). You must register as a trabalhador independente with the tax authorities and Segurança Social. Mining income is also subject to IVA (VAT) — under EU guidance, mining services are generally exempt from VAT, but mining pool fees may be subject to VAT. If you mine as part of a mining pool, the rewards are considered income when received, and you must track your cost basis for each coin mined (which is zero for mining rewards). Portugal has relatively competitive electricity costs compared to other EU countries, making it an attractive jurisdiction for mining operations, but the tax treatment is complex and requires professional advice for commercial-scale operations.

Cost Basis, Disposal Events, and Record Keeping

To calculate your capital gain, you need to determine the cost basis (acquisition cost) of each crypto asset. The cost basis includes: the purchase price (in fiat or the fair market value of the crypto used to acquire it), transaction fees (gas fees and exchange fees), and any other acquisition costs. When you dispose of crypto (sell for fiat, exchange for other crypto, or use to purchase goods or services), the gain is calculated as disposal proceeds minus cost basis. Disposal events that trigger taxation include: selling crypto for EUR (or any fiat currency); exchanging one crypto for another (this is a taxable event — you are deemed to have disposed of the original asset at its fair market value); using crypto to buy goods or services; and gifting crypto (except between spouses, ascendants, and descendants where no gain is recognised). Non-disposal events (not taxable): transferring crypto between your own wallets; receiving crypto as a gift (the recipient inherits the donor's cost basis); and liquid staking (wrapping/unwrapping) that does not involve a change in beneficial ownership. Record-keeping is critical: the AT requires you to report each disposal event separately in Annex G of Modelo 3. You must retain records of: acquisition dates, acquisition values (in EUR), disposal dates, disposal values (in EUR), transaction fees, and wallet addresses. Crypto exchanges operating in Portugal must report user transactions to the AT under the DAC8 directive (effective from 2026).

IRS Filing for Crypto (Modelo 3, Annex G and Annex J)

All crypto disposals and income must be reported in your annual IRS declaration (Modelo 3). Capital gains from crypto disposals are reported in Annex G (Ganhos e Perdas de Capitais), using table 11 for crypto-specific transactions. You must report: description of the crypto asset, acquisition date, acquisition value, disposal date, disposal value, gain/loss, and holding period. If the holding period is 365+ days, the gain is exempt (reportable but with €0 tax due). Staking, lending, and DeFi income (passive) is reported in Annex E (Rendimentos de Capitais), table 8A. Mining and professional crypto income (active business) is reported in Annex B (Rendimentos Empresariais e Profissionais). The filing deadline is April to June (typically 1 April to 30 June for the preceding tax year). If you fail to report crypto transactions, the AT can use information received from exchanges under DAC8 and your bank records (for fiat deposits/withdrawals to exchanges) to assess underpaid tax with interest and penalties. Penalties for non-reporting range from €100 to €22,500 depending on the severity. If you are uncertain about your reporting obligations, you can request a informação vinculativa (binding ruling) from the AT for clarity on specific transactions.

VAT and Corporate Crypto Tax

Under EU VAT rules, the exchange of fiat currency for crypto and crypto for crypto is generally exempt from VAT. However, services related to crypto (e.g., consultancy, wallet management fees, mining pool fees) are subject to IVA (VAT) at the standard rate of 23% (or reduced rates of 13%/6% if applicable). Mining rewards are not subject to VAT on the reward itself, but any fees charged by the miner or pool operator are subject to VAT. For companies (Lda/SA) that trade or hold crypto, the rules differ: unrealised gains are not taxable; realised gains are included in taxable profit for IRC purposes (21% standard, 17% for SMEs). Companies must account for crypto in their balance sheet at fair value through profit or loss (IAS 38 for intangible assets or IAS 32 for financial instruments depending on classification). Companies involved in frequent crypto trading may be treated as financial institutions for certain purposes. Portugal has not introduced a specific token classification regime yet, but crypto assets are generally treated as intangible assets for accounting purposes. The MiCA regulation (EU Markets in Crypto-Assets) will apply from 2025/2026, providing a harmonised classification framework across the EU.

FAQs

Do I pay tax if I hold Bitcoin for 2 years and then sell?

No — gains from crypto held for 365 days or more are exempt from Portuguese IRS tax. You still need to report the disposal in Annex G but no tax is due.

Is exchanging ETH for USDC a taxable event?

Yes — exchanging one crypto for another is a disposal event. You calculate the gain/loss based on the fair market value of the crypto disposed of. If you held the ETH for over 365 days, the gain is exempt.

How do I report staking rewards from an exchange?

Staking rewards are reported as Category E income (investment income) in Annex E of Modelo 3. The value at the time of receipt is your income, and subsequent disposal of the reward tokens follows normal capital gains rules.

What if I made a loss on crypto trading?

Losses from crypto disposals can only be offset against gains from other crypto disposals in the same tax year. Unused losses cannot be carried forward or offset against other income.

Do I need to report crypto that I bought but haven't sold?

No — holding crypto without disposal is not a taxable event. You only report disposals (sales, exchanges, or payments) in your IRS declaration. However, you must keep records of acquisition cost and date for future disposal calculations.

Disclaimer

This guide provides general information about cryptocurrency taxation in Portugal and does not constitute legal, tax, or financial advice. Crypto tax rules are evolving, and individual circumstances vary. Consult a qualified Portuguese tax advisor familiar with digital assets for advice tailored to your situation. For official information, visit the Autoridade Tributária at portaldasfinancas.gov.pt.