The game win and the coin, separately

Tax on winnings: the game win and the change in the coin's rate

A win in bitcoin or USDT raises two different questions: the game win itself, and what happens to the coin's value before and after play. Here is what the Norwegian Tax Administration writes about both, read on 16 September 2026.

Tax on winnings from a crypto casino is really two questions that are easily mixed up. One concerns the win from the game itself. The other concerns the coin the win is held in, and what happens when its value changes between purchase, deposit, withdrawal and sale.

Everything stated about tax rules on this page was read on skatteetaten.no on 16 September 2026, and the address stands beside each section. Where the Tax Administration gives no figure, neither do we. The page is an overview of what the sources say, not tax advice for your case. The comparison of the operators itself, independently of the tax questions here, is gathered on the home page of this site.

Six steps from your own wallet, through the balance at the casino, and back. Each step has its own rules in the terms; the figure shows the order, not how long anything takes.

Question 1: tax on the win from the game itself

The Tax Administration has a page of its own about gambling winnings at skatteetaten.no/person/skatt/hjelp-til-riktig-skatt/spillegevinst (read on 16 September 2026). It divides winnings into two groups: taxable and tax-free.

When the win has to be entered in the tax return

The page names two cases in which you have to enter the win in the tax return:

You have won single wins of more than 10,000 kroner from games that are taxable.
You have won more than 100,000 kroner in total in tax-free games, lotteries and the like.

Note the words «single win» in the first point. The limit of 10,000 kroner applies to the individual win, not to the total over a year. For the tax-free winnings, by contrast, it is the total that counts.

Which winnings the Tax Administration calls taxable

According to the same page, winnings over 10,000 kroner are taxable when they come from commercial odds and sports betting, and from commercial foreign games and lotteries. Online casinos are named as an example in the latter group.

The page gives no tax rate for gambling winnings, and it says nothing about a deduction for losses or stakes. So we write nothing about that here either.

Which winnings are tax-free

As tax-free the Tax Administration names games that fall under the Norwegian gambling rules, among them Norsk Tipping and betting on horses. Certain lotteries in other EEA countries, where the surplus goes to public-benefit or charitable purposes, are also on the list, along with competitions the mass media arrange for the general public.

Documentation of game winnings

You do not need to send documentation with the tax return, the Tax Administration writes, but you have to be able to produce it if the agency asks. For tax-free winnings over 100,000 kroner the agency asks for a confirmation from whoever paid the win out.

Question 2: the change in the coin's rate

The second question has nothing to do with the game. It is about bitcoin, ether and other coins being assets with a value that goes up and down. The Tax Administration refers to them as virtual assets.

The main rule

On the overview page skatteetaten.no/person/skatt/hjelp-til-riktig-skatt/aksjer-og-verdipapirer/om/virtuell-valuta (read on 16 September 2026) it states that all income from virtual assets is taxable, and that a gain or loss has to be reported in the tax return.

The sub-page about tax rules for virtual currency (the same address with the addition skatteregler---virtuell-valuta, read on 16 September 2026) goes further. There it states that a gain on realisation is taxable, that a loss gives a deduction, and that capital income from virtual assets is taxed at 22 per cent.

What counts as realisation

Realisation means, according to the tax-rules page, that ownership passes to someone else for consideration. Sale and exchange are the most common examples. A gift is not a realisation.

The sub-page about sales (the addition salg, read on 16 September 2026) gives a concrete example: if you use bitcoin you have bought to buy ether, that is a realisation. The same applies when you convert coins to Norwegian kroner.

How the gain or loss is calculated

The sales page explains the arithmetic like this:

The entry value: what you paid for the coin, including transaction costs, converted into kroner at the time of purchase.
The exit value: what you received on realisation, minus transaction costs, converted into kroner at that time.
The gain or loss: the exit value minus the entry value.

The Tax Administration also writes that there is no requirement for the coins you bought first to be counted as sold first. That distinguishes virtual assets from shares, among other things.

An example (our own figures, only to show the arithmetic): You buy coins for 10,000 kroner including the fee. Later you convert them to kroner and are left with 12,500 kroner after the fee. The exit value minus the entry value then gives a gain of 2,500 kroner in this example. How much tax that comes to in your case depends on the rest of your finances.

Wealth

Virtual assets have to be included in your wealth, according to the tax-rules page, at the market value as at 1 January of the year after the income year. If coins are sitting in a casino account at the turn of the year, it is wise to note the value on that day.

Blocks confirming a transfer

The blocks are laid in place one after another, and each new block is one more confirmation. How many confirmations a casino requires is stated in the terms as a number; the operator's own processing is a separate step after that.

Why the two questions have to be kept apart

Imagine you deposit coins at a casino, win and withdraw more than you put in. Then there can be both a game win and a change in the coin's value in kroner between the time you bought it and the time you sell it. The Tax Administration's pages about gambling winnings and about virtual assets treat these separately.

The pages we read do not say explicitly how the deposit into a casino account itself should be treated. That is exactly the kind of point you should ask the Tax Administration about rather than guessing. How the flow of money looks step by step we have described on the page about withdrawals from a crypto casino.

What you should keep

The Tax Administration says you have to be able to document, and that costs only give a deduction when they can be documented. In practice that means gathering the paper trail while it is fresh:

Transaction IDs (hashes) for every deposit and every withdrawal, as they appear on the chain.
Wallet addresses you have sent from and received on, with which network was used.
Account statements from exchange services showing purchases and sales with the date, the amount in kroner and the fee.
Dated screenshots of the casino's transaction list and balance, particularly on larger wins and at the turn of the year.
The rate in kroner at the time of purchase and sale, or an overview showing it.
Emails from the casino about payouts, instalments or document requirements.

Many casinos show only the most recent transactions in the account. So take a copy of the history regularly, not only when the tax return is due. How addresses and networks work on a deposit is on the page about sending coins to a casino account.

Tax on winnings in your own case

This page reproduces what the Tax Administration writes in general. The individual case can have details that change the answer: which games the win came from, which coins you have exchanged between, and how earlier years were entered.

If you are in doubt, you have two good options. You can contact the Tax Administration directly, or you can use an accountant or auditor who knows the rules for virtual assets. Bring the documentation from the list above and the answer will be more precise.

Questions about who may offer games and how payments and blocking are regulated are gathered on a separate page about the rules and the supervision.

Sources and reading dates

All the addresses below were read on 16 September 2026:

skatteetaten.no/person/skatt/hjelp-til-riktig-skatt/spillegevinst
skatteetaten.no/person/skatt/hjelp-til-riktig-skatt/aksjer-og-verdipapirer/om/virtuell-valuta
the same address + /skatteregler---virtuell-valuta
the same address + /salg

Tax rules change from year to year. Always check the pages yourself before you file your tax return.

Frequently asked questions

Do I have to pay tax on a win from an online casino?

On its page about gambling winnings, read on 16 September 2026, the Tax Administration writes that winnings over 10,000 kroner from commercial foreign games, for example online casinos, are taxable, and that single wins above that limit must be entered in the tax return. The page gives no rate for gambling winnings, so we do not write one. Ask the Tax Administration how it applies to your particular win.

Is there tax on a rate gain when I withdraw crypto from the casino?

The rate change itself is a separate question. According to skatteetaten.no, read on 16 September 2026, a gain on the realisation of virtual assets is taxable, a loss gives a deduction, and the rate for capital income is 22 per cent. Exchanging one coin for another or converting to kroner counts as realisation. The gain is the exit value minus the entry value, both calculated in kroner.

What documentation should I keep?

Gather transaction IDs, wallet addresses and networks, account statements from exchange services, rates in kroner at purchase and sale, and dated screenshots of the casino's transaction list. The Tax Administration writes that you do not need to send the documentation in, but that you have to be able to produce it if the agency asks. Costs only give a deduction when they can be documented.

Who can answer questions about my own tax?

The Tax Administration itself, or an accountant or auditor who knows the rules for virtual assets. This page only reproduces what skatteetaten.no writes in general, read on 16 September 2026. Details such as which games the win came from, when the coins were bought and how earlier years were entered can change the answer in your case.