Connect every wallet, exchange and chain. The Belastingdienst taxes crypto under Box 3 at your Jan 1 portfolio value. Kryptos computes that value, applies the current deemed-return rate, and prepares your output for the 2027 actual-return reform.
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5,500+ integrations across CEXs, DEXs, wallets and chains. Kryptos values every holding in EUR at the relevant date.
Download your Box 3 valuation, drop into Mijn Belastingdienst, or hand to your belastingadviseur.
The Dutch Box 3 system, applied so your annual aangifte matches what the Belastingdienst expects.
Box 3 taxes wealth, not gains. We snapshot every wallet at 1 January in EUR using the historical price your Belastingdienst can verify.
The current 'forfaitair rendement' percentage applied to your taxable base. The Hoge Raad rulings honoured, with actual returns shown where they're lower.
Tax-free allowance deducted before the rate hits, with the right partner-doubling applied when you file jointly.
The system moves to taxing actual returns in 2027. Kryptos tracks both the deemed and actual figures from today so the transition is paperwork, not pain.
Box 3 valuation snapshot date. Every crypto holding measured in EUR on this date.
Mijn Belastingdienst opens the aangifte for the 2025 tax year.
Filing deadline for the 2025 aangifte. Extensions available via your adviseur.
Every document the Belastingdienst expects for Box 3 with crypto holdings, in the order your adviseur will ask for them.
Te enviamos el PDF al instante. Cero spam, te puedes dar de baja cuando quieras.
Beat the May 1 Belastingdienst deadline. Generate Box 3 valuation in minutes.