France has one of Europe’s simplest crypto tax systems on paper — and one of its most debated. Since 2019, the rules for private investors have lived in Article 150 VH bis of the French tax code, and the centrepiece is a single flat tax, the “prélèvement forfaitaire unique”, applied when an occasional investor turns crypto into money.
When the tax actually falls due
For most private holders, the taxable moment is the exit to fiat: selling Bitcoin or Ethereum for euros, or spending crypto directly on goods and services. At that point, the gain — sale price minus what the assets cost, calculated across the whole portfolio under French rules — is taxed at a combined flat rate currently reported at 31.4%, made up of income tax plus social contributions. There is no separate bill for each trade along the way.
What stays tax-deferred
Crucially, crypto-to-crypto trades are currently deferred. Swapping one token for another, including into stablecoins, does not trigger the flat tax today; the bill arrives only at the final cash-out. That deferral is exactly what the October 2026 budget amendment wants to remove for swaps into regulated stablecoins from 2027 — but that change is still a proposal moving through parliament, not a rule in force.
Not everyone pays the flat rate
- The flat tax is designed for occasional private investors managing their own money.
- Frequent, professional-style trading can be taxed under business income categories instead, at different rates and rules.
- Miners and people paid in crypto for work face their own income treatments.
- Small occasional sales below the statutory threshold have historically been exempt — check the current threshold before relying on it.
Records are your best protection
Because French tax is calculated on the portfolio as a whole, sloppy records are expensive. Keep the date, euro value and fees of every purchase and sale, screenshots or CSV exports from each exchange, and wallet addresses that show transfers were movements between your own accounts rather than sales. If the stablecoin proposal becomes law, swap-by-swap records will matter even more.
This guide is educational only and is not tax advice. French crypto taxation has several regimes and thresholds that depend on your personal situation, and the 2027 finance bill may change the picture again. For anything beyond small holdings, a French tax adviser who understands digital assets is money well spent.
