Netherlands to Tax Unrealized Bitcoin Gains Starting in 2028

The Netherlands is set to tax unrealized Bitcoin gains starting in 2028, marking a significant shift in the country's crypto taxation policies.

Under the new framework, Dutch tax authorities will assess the value of an investor's Bitcoin holdings once a year and tax any increase in that value, even if the coins remain untouched in a wallet.

This approach is known as mark-to-market valuation, which treats the annual change in market value as taxable income on its own.

The practical effect of this policy is that an investor's tax bill would move in step with the market itself, not with their own buy-and-sell activity.