Bitcoin Wallet or ETF? Netherlands May Tax Them Differently

• The Dutch government has proposed taxing gains on financial instruments only when they are sold.
• Tax advisers read crypto assets as part of the group that switches only in 2030.
• Bitcoin in a private wallet could face annual value-change taxation for two years longer than a Bitcoin ETF.
• The amending bill still has to set the legal definitions.

The Dutch government sent parliament a proposal on September 29 that would tax gains on financial instruments only at the moment of sale from 2028, abandoning most of an earlier plan to tax investors every year on the change in value of their holdings. The letter, signed by Prime Minister Rob Jetten, Finance Minister Eelco Heinen and State Secretary Eelco Eerenberg, names shares, bonds and options as examples of what the new regime covers. Crypto is not on that list. Tax advisers at Deloitte, summarizing the letter, place crypto assets with savings among the remaining categories that switch in 2030, which would leave coins in a private wallet taxed on paper gains for two years longer than a Bitcoin ETF.

The letter lists shares, bonds and options, and crypto waits until 2030

Box 3 is the part of the Dutch income tax that covers savings and investments. The cabinet estimates that a realization-based tax on all financial instruments would capture roughly 90% of the Box 3 assets that change in value. The remaining 10% stays under annual taxation of value changes until 2030, when everything is meant to move to a realization basis.

A Bitcoin ETF is a security and falls inside “all financial instruments” with little room for argument. A coin on a hardware wallet is a different legal object, and Deloitte’s reading of the letter puts crypto assets in the group that waits until 2030. The definitions will come in the amending bill, known in Dutch parliamentary practice as a novelle. Until that text exists, the split between a wallet and an ETF remains a proposal that parliament can still change.

A hardware wallet and an ETF could sit on different tax calendars until 2030

Suppose the novelle places Bitcoin ETFs among financial instruments and native Bitcoin among other assets. Two investors each start a year with €100,000 of exposure and the price doubles.

If the novelle splits the two: €100,000 doubles, nothing is sold Investor A Bitcoin ETF at a broker Classified as: financial instrument 2028-2029: taxed on sale From 2030: taxed on sale Taxable gain that year: €0 Investor B Bitcoin in a private wallet Classified as: other asset 2028-2029: annual value change From 2030: taxed on sale Taxable gain that year: €100,000 Illustration based on the September 29 proposal. The amending bill is not yet published.

A split of that kind would hand listed Bitcoin products a tax advantage over the underlying asset for two years. The cabinet says parliament must finish handling the bill before the end of 2026 for a 2028 start.

Wallet coins are already taxed at 36% on a 6% assumed return

Self-custody has never been outside the Dutch system. The Belastingdienst requires taxpayers to declare Bitcoin and other cryptocurrencies as Box 3 assets, valued at the exchange price at 00:00 on January 1, whether the coins sit in a personal wallet, with an exchange or with another party.

For 2026 the assumed return on crypto is 6% and the Box 3 rate is 36%, which works out to about 2.16% of taxable crypto wealth before allowances. A taxpayer may instead report the actual return when it is lower. The tax office defines that figure as income plus changes in the value of assets, crypto price movements included. Unrealized gains already count there.

Guidance published in May 2026 reaches further into wallet territory. Coins whose private key is lost remain a Box 3 asset, but an owner who can prove the loss may value them at what a buyer would pay for an inaccessible wallet. That can be €0.

Two Supreme Court defeats and a Senate revolt ended the paper-gains tax

On December 24, 2021 the Supreme Court ruled that Box 3 violated the European Convention on Human Rights because it taxed people on returns they had not earned. On June 6, 2024 it found that the replacement method left the same defect in place for some investors. The cabinet answered with a bill taxing actual returns, annual value changes included, and the lower house approved it on February 12, 2026.

Resistance then built in the Senate, and Bitcoin shows why. A holder whose €100,000 in coins ends the year at €180,000 has an €80,000 gain on paper. At 36% the liability would be €28,800, subject to the statutory calculation and allowances, and the holder has received no euros to pay it with. If the price falls in January, the tax for the previous year is still due.

From court ruling to capital gains tax

Dec 24, 2021

Supreme Court rules the assumed-return system breaches the European Convention on Human Rights

June 6, 2024

Court rejects the government’s replacement method

May 2025

Actual-return bill submitted to parliament

Feb 12, 2026

Lower house approves it, Senate opposition follows

Sept 29, 2026

Cabinet proposes taxing financial instruments on sale

2028 (planned)

About 90% of value-changing assets taxed on realization

2030 (planned)

Remaining assets follow

A €3 billion annual shortfall, covered partly by a €1,000 exemption

Deferring tax until sale delays revenue, and the cabinet recovers part of it from smaller holders. The tax-free wealth threshold drops to €30,846 in 2027, close to its 2020 level, and the tax-free return in the new system is cut from the previously proposed €1,800 to €1,000. A saver earning 2% on €50,000 would still pay nothing, according to the government’s own example.

€3.018B Revenue loss in 2028 €3.108B Revenue loss in 2029 €2.399B Revenue loss in 2030 €1.960B Revenue loss in 2031 3.9M Expected Box 3 filers in 2028 2.5M Hold only pre-fillable Dutch accounts Source: Dutch government estimates in the September 29 proposal.

Crypto’s assumed return climbs to 7.87% in 2027, a year before the new system

The first effect arrives early. The assumed return for other assets, the category that currently contains crypto, is set to rise by 1.5 percentage points in 2027, which takes it from 6.37% to 7.87%, according to Deloitte. A holder who does not report a lower actual return pays on that figure whatever the novelle later says.

From 2028 the outcome depends on the novelle’s definitions. As the proposal reads now, wallet holders remain on annual value-change taxation through 2029, while holders of listed Bitcoin products move to taxation on sale. Anyone weighing a move from a wallet to a listed product on tax grounds has no legal text to rely on yet, and the switch itself would require selling the coins.

Denmark charges up to 53% on sale while Norway adds unsold coins to a wealth tax

Denmark taxes private crypto when it is sold or exchanged, at rates that can reach about 53%, while losses are deductible at roughly 26%. That asymmetry can leave a taxpayer with a bill despite an overall loss. Norway applies a 22% rate to realized crypto gains and separately counts the market value of unsold coins toward the annual net wealth tax.

In the United States, the House Ways and Means Committee advanced the Digital Asset Tax Certainty Act (H.R. 10357) on September 16. The 38-5 vote came less than a day after the CLARITY Act fell short in the Senate. The bill would extend the wash-sale restriction to crypto, ending the practice of selling at a loss and repurchasing immediately to book the deduction. It also offers professional traders an optional mark-to-market regime under which positions are treated as sold at year-end, and congressional estimates put the revenue from that provision at about $2.3 billion over ten years.

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