France Crypto Tax Guide 2025

Vous vous interrogez sur les erreurs les plus courantes que les gens commettent lorsqu'ils tentent de déclarer leur fiscalité crypto ? Nous avons les réponses pour vous dans notre blog, afin que vous puissiez éviter de vous retrouver dans les mêmes situations délicates.

Procédure complète de déclaration des cryptomonnaies en France sur impots.gouv.fr : plus-values via le Cerfa 2086, mappage des revenus BNC sur les formulaires 2042-C et 2042-C-PRO, déclarations de comptes à l'étranger via le 3916-bis, mécanique des donations, et traitement des actifs perdus ou volés.

Most crypto neobanks are custodied fintech in disguise. Here's what a real Bitcoin onchain neobank looks like, and why the difference matters to your tax position.

Summ now supports Kalshi, MegaETH, CoinRabbit, and WhiteBIT. Import your prediction market trades, Layer 2 transactions, lending activity, and exchange data for complete tax reporting.

The Buy, Borrow, Die approach has long been used in traditional finance to preserve wealth, optimize taxes, and maintain exposure to appreciating assets. With the rise of crypto-backed lending, the same framework has become increasingly relevant for digital asset holders, making it accessible far beyond institutional circles.

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Summ now supports Polymarket and Monad. Import your betting and transaction data via wallet address or CSV for complete tax reporting.

We're proud to announce our new partnership with CoinRabbit, a crypto asset management platform with loan, earn, trade and save services whose users often engage in on-chain activity that can carry tax implications.

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Lock Periods lets you freeze past tax years while safely optimizing current ones. Lock historical data, experiment with accounting methods, and improve tax outcomes without risking previously filed reports.