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Cryptocurrency taxes in France: everything you need to know about cryptocurrency taxation in 2025
Cryptocurrency tax in France: what you need to know in 2025
By 2025, anyone who has traded cryptocurrencies or holds crypto accounts must comply with strict rules for declaring their earnings , accounts, and transactions. Cryptocurrency taxation applies to all investors, whether they have simply bought, traded, or sold digital assets on a exchange platform . The tax differentiates between individuals, professionals, and specific activities such as mining . For a detailed guide on crypto taxation , reporting obligations, and concrete examples, you can consult this website .
Table of contents
The basics of crypto taxation in France
Since January 1, 2023: a single tax framework for individuals
crypto taxation is based on Article 150 VH bis of the General Tax . Since January 1, 2023 , all sales of digital assets for legal tender ( euro , dollar, etc.) or for the purchase of goods or services are taxable in France. Capital gains from these transactions are also subject to tax .
- Cryptocurrency transactions (e.g., exchanging BTC for ETH) are not immediately taxable unless a cash payment in fiat currency is made.
- The mere possession or acquisition of crypto is not taxable .
- Transfers of cryptocurrencies for stablecoinare not considered taxable transfers.
When do you need to declare your cryptocurrencies in 2025?
The tax filing period for 2025 begins on April 10, 2025 , and extends until early June, depending on your region. You must declare your crypto capital gains crypto accounts held abroad to the tax authorities when you file your annual tax return .
Which crypto accounts need to be declared?
Any crypto account opened on a crypto exchange platform outside of France (Gemini, Bitvavo, Kraken , Coinbase , KuCoin , etc.) must be reported to the tax authorities using form 3916-BIS , even if no gains have been made. This reporting obligation applies to all crypto accounts held abroad, whether active or not, even if they contain no funds or have not been used during the year.
For example, if you have a Gemini account, you must indicate the following in the form:
- Account management organization: Gemini Intergalactic Europe Limited
- Country: Ireland
- Address: 70 Sir John Rogerson's Quay, Dublin 2
- Account number: if unavailable, enter the email address used to create your Gemini account.
Failing to declare this account exposes you to significant fines, up to €750 per undeclared account, or even €1500 if the overall value of the portfolio exceeds €50,000.
What types of transactions are taxable?
Taxable transfers in France
In 2025, cryptocurrency taxation taxable transactions :
- Selling your cryptocurrencies for euros or another fiat currency ( transfer for currency).
- Purchasing a good or service with crypto (using a crypto bank card or direct payment).
- Cryptocurrency exchanges with cash payment (e.g., exchanging BTC for ETH and receiving a difference in euros).
On the other hand, crypto exchanges between digital assets without cash payment are not taxable immediately: taxation is deferred to the next transfer against a currency.
Tax threshold and exemption
If the total amount of digital asset sales during the year does not exceed €305, no tax is due, even if a capital gain has been realized. However, these transactions must still be declared to the tax authorities .
How to calculate crypto capital gains?
The capital gain using a specific method: it is the difference between the sale price acquisition price of the cryptocurrency overall value of the portfolio at the time of the sale must be taken into account .
- Capital gain = selling price purchase price x amount sold / total portfolio value at the time of sale )
- Gains are calculated for each taxable transaction .
- Crypto capital gains are subject to tax once the threshold of €305 is exceeded.
Tools like Waltio or a cryptocurrency tax simulator allow you to automatically calculate capital gains and generate the forms needed for income tax returns .
Capital gains tax rates on crypto in 2025
Flat tax and progressive tax scale: which tax system should you choose?
The default tax rate on capital gains from cryptocurrency flat tax ) : 12.8% income tax and 17.2% social security contributions . You can choose to be taxed according to the progressive income tax if this is more advantageous, but this choice is final and irrevocable for the year.
- The flat tax applies by default to all capital gains taxable in France .
- The progressive tax scale may be more advantageous if your income is low.
How do you declare your crypto taxes?
To declare your crypto capital gains in 2025, you must complete form 2086 (details of digital asset disposals ) and transfer the total to form 2042 C (attached to the income tax return ). Crypto accounts opened outside of France must be reported on form 3916-BIS.
- Declare each taxable transfer (sale, payment, exchange with compensation).
- Use a tool like Waltio to generate the forms and calculate your capital gains .
- Respect the deadlines: the online declaration service opens on April 10, 2025 , with deadlines varying according to your department.
Crypto taxation: special cases and exceptions
Crypto mining and taxation
Cryptocurrency mining is considered a professional activity. Earnings from mining are subject to the non-commercial profits (BNC) tax regime, or to the industrial and commercial profits (BIC) regime if the activity is organized as a business. Non-commercial profits must be declared separately, and taxation depends on the chosen regime.
Staking, lending, airdrop: what taxes apply?
Earnings from staking , lending, or airdrops are considered taxable income under the categories of non-commercial profits or miscellaneous income. They must be declared in the appropriate category and are subject to income tax .
Crypto declaration and tax audit: what you need to know
Obligation to declare crypto accounts
Anyone holding a crypto account on a foreign exchange platform declare this account to the tax authorities when filing their income tax return . This obligation applies to both accounts opened and closed during the year.
Sanctions and controls: beware of the tax authorities
Since 2024, the French tax authorities have been tightening their controls on cryptocurrencies . Failure to declare capital gains or crypto accounts held outside of France can lead to penalties: fines, tax reassessments, and even criminal prosecution. Transaction traceability is facilitated by cooperation between crypto exchanges and French authorities.
What tools are available to calculate and declare crypto taxes?
Several tools and services exist to support investors:
- Waltio : automation of calculation, form transaction tracking .
- Cryptocurrency tax simulator : to estimate the amount of tax due based on your capital gains .
- Expert advice: if in doubt, consult a tax specialist in crypto .
Summary: What you need to know about crypto taxation in France in 2025
- Since January 1, 2023 , crypto taxation taxable transactions (sales, payments) and those that are not (exchanges between cryptocurrencies ).
- The default tax rate flat tax at 30% (12.8% income tax + 17.2% social security contributions ).
- The exemption threshold is €305 of sales per year: below this, there is no tax but an obligation to declare .
- All exchange platforms and all crypto accounts outside of France must be declared to the tax authorities .
- Capital gains are calculated transaction by transaction, taking into account the sale price acquisition price and the overall value of the portfolio .
- Mining and passive income fall under the - commercial profits regime or the BIC tax regime
- Tools like Waltio or cryptocurrency tax simulators calculation and reporting easier .
Frequently Asked Questions: Cryptocurrency tax in France 2025
Do I have to pay taxes on my crypto if I haven't sold it?
, simply holding or acquiring crypto is not taxable . Only transfers in exchange for currency or goods/services are taxable .
Do I have to declare my accounts?
Yes, any crypto account held on an exchange platform outside of France must be declared via form 3916-BIS.
How do I calculate my crypto capital gains?
Use the official method: capital gain = sale price purchase price x amount sold / total portfolio value ). Tools like Waltio or cryptocurrency tax simulators can help you.
What are the risks if I don't declare my cryptocurrencies?
Failing to declare capital gains or crypto accounts exposes you to penalties: fines, tax adjustments, or even criminal prosecution.
Are cryptocurrency transactions taxable?
No, unless a cash payment is made during the transaction .
Conclusion: Crypto taxation in France
Cryptocurrency taxation in France in 2025 requires rigor and foresight. To avoid any issues with the tax authorities , it is advisable to declare every capital gain , every foreign crypto account tax regime applicable to your situation. Use specialized tools, consult experts if necessary, and keep your documents up to date to ensure you pay taxes compliantly.
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Yoann
Training engineer, I quickly became interested in the field of finance. Convinced that decentralized finance has a bright future ahead of it, I participate in its democratization by developing Crypternon.
