France's One-Vote Stablecoin Tax Amendment: What It Would Actually Change
French lawmakers backed a plan to tax crypto-to-stablecoin swaps from 2027, with gains assessed coin by coin. Here's what supporters, critics and the text actually say.
A single vote is all that separated a French amendment that would make crypto-to-stablecoin swaps a taxable event from 2027. Under the proposal, gains would be assessed coin by coin rather than netted across a portfolio. In plain terms: if the text survives the rest of the legislative process, moving from a volatile crypto asset into a stablecoin could stop being treated as a neutral 'parking' move and start being treated as a disposal — with the tax bill calculated separately for each coin involved. It is not law yet, and a one-vote margin tells you how contested the idea is.
What the amendment would change
The practical difference is where the tax trigger sits. Many holders are used to thinking of a stablecoin swap as staying 'in crypto' — you exit volatility without exiting the market. The amendment reframes that moment as the point where a gain becomes visible and taxable.
- Swaps from a crypto asset into a stablecoin would be treated as taxable events from 2027.
- Gains would be computed coin by coin, so losses on one asset would not automatically offset gains on another.
- The rule targets the swap itself, so it applies regardless of whether the holder later converts the stablecoin into euros.
- The date gives holders and platforms a transition window, but only if the measure survives the remaining stages of the legislative process.
The case supporters make
The core argument for the amendment is that a swap into a stablecoin is an economic exit, not a pause. If a holder converts Bitcoin into a dollar-pegged token, they have in substance moved out of a risk asset and into something designed to hold a fixed value — so treating that move as tax-free looks to supporters like a gap rather than a feature. Supporters also point to consistency: if the gain exists on paper at the moment of the swap, deferring the tax until a later euro conversion lets the liability drift, and in some cases lets it disappear or shift across borders. Assessing coin by coin is presented as the honest version of the same logic — each position stands on its own, and the total is just the sum of the parts.
The case critics make
Critics attack both the trigger and the accounting. On the trigger, they argue that a stablecoin is still a crypto asset held on-chain, not a bank withdrawal, so taxing the swap means taxing a reallocation rather than a realized exit into fiat. That, they say, penalises active management and makes stablecoins less useful as a settlement and hedging tool inside crypto markets.
- Coin-by-coin accounting multiplies record-keeping: every swap needs a separate cost basis and gain calculation, per asset, per date.
- Holders who move between several assets and stablecoins could face heavy reporting work for modest net positions.
- Critics warn of a competitiveness gap, since crypto activity is mobile and other jurisdictions may treat the same swap differently.
- Supporters counter that mobility is not an argument against a rule — it is an argument for coordination, which is why EU-wide frameworks matter here.
Why the one-vote margin matters
An amendment that passes by a single vote is politically fragile in a way the headline number hides. It signals a chamber split almost exactly down the middle, which means the measure can be reopened, narrowed, delayed or dropped as the wider text moves through the remaining legislative stages. Neither side should read the vote as a settled outcome. It is a signal of direction, not a final rulebook — and the difference between 'swaps are taxable' and 'swaps are taxable, coin by coin, from 2027, with these reporting rules' is where most of the practical pain or relief will actually live.
What to watch next
- Whether the amendment survives intact or is amended as the broader text advances — the effective date and the coin-by-coin method are the two clauses most likely to move.
- Whether any threshold, exemption or loss-offset mechanism is added before 2027; its absence is what critics call the real problem.
- How French crypto platforms and tax advisers describe reporting obligations, since coin-by-coin accounting is an operational burden before it is a tax burden.
- Whether other EU member states respond with similar triggers, which would blunt the competitiveness argument on both sides.
What would the French amendment actually tax?
As described, swaps from a crypto asset into a stablecoin. The taxable event is the swap itself, with gains assessed coin by coin, starting from 2027. It is an amendment that won a single-vote majority, not an enacted law.
Does it apply to specific stablecoins like USDT or USDC?
The proposal is framed around 'stablecoin swaps' as a category rather than naming individual tokens, so which assets are captured would depend on how the enacted text defines a stablecoin. That definitional detail matters and could still change.
When would it take effect?
From 2027, according to the amendment. That start date is also a transition window that gives holders and platforms time to adapt — assuming the measure is not altered or removed before then.
Is it law yet?
No. Lawmakers backed the amendment by a single vote, which is an early stage in a longer process. The text still has to clear the remaining legislative stages, where a one-vote margin is exactly the kind of thing that gets revisited.
What does 'coin by coin' mean for holders?
Each asset's gain or loss would be calculated separately, rather than netting a portfolio as a whole. In practice that means more records: a cost basis and a gain figure for every asset involved in every swap.