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France Moves to Require Disclosure of Self-Custodied Crypto Wallets Above €100,000

Reported by Finance
Oct 12, 2026· 2 min read
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Key Takeaways
  • • The French National Assembly passed a provision requiring individuals to disclose cryptocurrency holdings exceeding €5,000 in self-custody wallets, such as MetaMask and Ledger, to the tax authority DGFIP, according to the primary source.
  • • The DGFIP lacks the means to verify ownership of self-custodied assets and has warned that the requirement increases cyberattack risks targeting sensitive holder data.
  • • Publisher context references a proposal with a higher €100,000 reporting threshold at December 31, and the primary source's headline cites the same figure, so the final threshold reported across sources is not consistent.
  • • Critics, including Deputy Daniel Labaronne and Gregory Raymond of The Big Whale, question enforceability and argue the measure could expose holders to hacking.
  • • The measure is framed as an anti-fraud and tax evasion initiative and faces implementation hurdles.
Summary
The French National Assembly has passed a law requiring individuals to disclose cryptocurrency holdings exceeding €5,000 held in self-custody wallets, including products such as MetaMask and Ledger, to the country's tax authority, the DGFIP, according to the primary source. The measure is part of an anti-fraud initiative aimed at combating tax evasion.

The requirement has drawn criticism on privacy and security grounds. The primary source reports that the DGFIP lacks the means to verify ownership of these assets and has warned of increased cyberattack risks targeting sensitive data. Deputy Daniel Labaronne questioned the feasibility of enforcing the measure, though it was not suppressed in the vote.

Gregory Raymond of The Big Whale argues the law is unlikely to succeed given governmental resistance and the potential to make crypto holders more vulnerable to hacking. The primary source characterizes the measure as facing significant hurdles in both implementation and acceptance.

Publisher context from the same outlet's network describes a proposal under which French residents would report self-custodied crypto-asset portfolios valued at or above €100,000 on December 31, with holders possibly facing fines. Other coverage in the cluster references the €5,000 threshold, so the reporting threshold in the final text should be confirmed against the enacted text. Separately, cluster coverage notes that France is also considering taxing crypto-to-stablecoin swaps from 2027, with a decade to offset trading losses.

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Sources

1 outlet

AlphaMaven summarised this story from the reporting below. Each link opens the original article.

Finance France Moves to Require Disclosure of Self-Custodied Crypto Wallets Above €100,000