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Crypto tax in the Netherlands: box 3

In the Netherlands, box 3 taxes your assets on 1 January, crypto included, through an assumed return instead of your real gains.

What it means
For 2026 the assumed return on crypto is 6%, taxed at 36% above an allowance of €59,357 per person that is shared with savings and investments, so selling during the year is not taxed separately.
What to watch
Your crypto's value on 1 January, the allowance you share with savings, investments and a fiscal partner, and whether your real return was lower than the assumed one, which you may be able to prove.
How Compass-Alpha uses it
The tax overview estimates box 3 from your crypto's value on 1 January together with the savings and investments you type in, and the free tax guide for the Netherlands explains the rules.

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