Denmark Crypto Airdrops, Hardforks & Gifts Tax Guide (SKAT Rules)

Airdrops — Promotional Crypto Gifts

An airdrop is a distribution of free cryptocurrency tokens to multiple wallet addresses, typically as a promotional or marketing activity. Under Danish tax law, airdrops are treated as promotional gifts (reklamegaver) and are taxable at the time of receipt. The value of the airdrop is considered personal income (personlig indkomst) and must be declared in box 20 — "Anden personlig indkomst" (Other personal income) on your tax assessment notice (årsopgørelse). The taxable amount is the market value of the tokens in Danish kroner (DKK) on the date you receive them, using the exchange rate published by the Danish Nationalbank or SKAT. You do not need to wait until you sell the airdropped tokens — the tax is due in the year of receipt.

Example — random airdrop: Marie checks her wallet and finds she has received 100 UNI tokens from an airdrop by a DeFi protocol. On the date of receipt, UNI is trading at 8 USD, and the USD/DKK exchange rate is 6.90. The value of the airdrop is 100 x 8 x 6.90 = 5,520 DKK. Marie must report 5,520 DKK in box 20 on her tax assessment notice for the year she received the tokens. She pays income tax at her marginal rate (up to approximately 53%) on this amount — meaning she could owe up to 2,925 DKK in tax on the airdrop, even though she has not sold any tokens for fiat. If she later sells the UNI tokens, the subsequent gain or loss must be specifically assessed under a separate binding ruling, because the standard FIFO rules may not apply cleanly to tokens with a zero cost basis that were already taxed at receipt.

SKAT's treatment of airdrops as promotional gifts is established in binding answers and general guidance. The logic is that receiving free tokens without consideration constitutes income, analogous to receiving a free sample or promotional item. The key distinction compared to hardforks (discussed below) is that airdrops are not tied to ownership of an existing cryptocurrency — they are distributed broadly. If the airdrop is contingent on holding a specific token at a snapshot date, the treatment may shift toward the hardfork rules. Taxpayers who receive airdrops should document the receipt date, the market value on that date, the source of the airdrop, and any terms or conditions attached to the distribution. If the airdrop is received through a platform that reports to SKAT (increasingly common under DAC8 from 2026), SKAT will be able to cross-reference your reported income against exchange data.

Hardforks — Blockchain Split Coins

A hardfork occurs when a blockchain splits into two separate chains, and holders of the original cryptocurrency receive an equivalent amount of the new cryptocurrency. The most famous examples include Bitcoin Cash (BCH) from Bitcoin (BTC), Ethereum Classic (ETC) from Ethereum (ETH), and Bitcoin SV (BSV) from Bitcoin Cash. Under Danish tax law, hardfork awards are treated as acquired with the same speculative intention as the original cryptocurrency from which they were forked. This means that if you held the original cryptocurrency for speculative purposes (which is presumed for most crypto holders), the hardfork coin is also deemed to be held for speculation. Critically, the cost basis of the hardfork coin is DKK 0. You do not pay tax at the time of the hardfork, but when you eventually sell the hardfork coin, the entire sale proceeds are treated as a gain (since the cost basis is zero).

Example — Bitcoin Cash hardfork: Nikolaj holds 5 BTC on 1 August 2017, when the Bitcoin blockchain forks to create Bitcoin Cash (BCH). He receives 5 BCH. Nikolaj does not pay tax on the receipt of the BCH at the time of the fork. In 2026, he sells his 5 BCH at a price of 400 USD per BCH with a USD/DKK rate of 6.90. The total proceeds are 5 x 400 x 6.90 = 13,800 DKK. Because the cost basis is DKK 0 (he paid nothing for the BCH), the entire 13,800 DKK is a gain. However, the FIFO principle applies to the BCH together with any other BCH holdings he may have. If Nikolaj later buys additional BCH, those later purchases create a separate FIFO pool with their own cost basis. The first BCH sold are deemed to be the hardfork coins (with DKK 0 basis), which produces the maximum taxable gain. This makes it important to track hardfork coins separately from purchased coins if possible, although SKAT's FIFO rule requires the earliest acquisitions to be sold first regardless of how they were acquired.

FIFO interaction with hardforks: The FIFO principle requires you to pool all holdings of the same cryptocurrency. If you hold both hardfork coins (DKK 0 basis) and purchased coins (positive basis) of the same cryptocurrency, the first units sold are deemed to be the earliest acquired. Since hardfork coins were typically acquired before later purchases, the hardfork coins will generally be deemed sold first under FIFO. This maximizes the gain on early sales. You cannot designate which lots to sell — FIFO is mandatory. If you want to preserve the hardfork coins for later (e.g., to defer the gain), the only strategy is to not sell any units of that cryptocurrency until you have acquired later units and are comfortable with the FIFO ordering. Alternatively, you could gift the hardfork coins (subject to gift tax rules) or hold them in a separate wallet that you do not touch — but SKAT's pooling rule may still apply across wallets and exchanges. For detailed FIFO guidance, see our crypto tax guide →.

Crypto Gifts for Special Occasions

Cryptocurrency received as a gift for a special occasion — such as a birthday, confirmation, wedding, anniversary, or Christmas — is treated differently from both airdrops and hardforks. Under Danish tax law, such gifts are in principle not subject to income tax if they have a modest value appropriate for the occasion. If the gift exceeds what is normally considered appropriate for the occasion, the excess value is taxable as personal income and must be reported in box 20 — "Anden personlig indkomst" (Other personal income). There are no fixed monetary thresholds defining what constitutes a "modest" gift — it depends on the occasion, the relationship between giver and receiver, and general social norms. SKAT assesses each case individually, and taxpayers who are unsure should either contact SKAT or apply for a binding ruling.

Example — birthday crypto gift: Andreas gives his niece 1,000 DKK worth of Bitcoin for her 18th birthday. Since 1,000 DKK is within the range of a normal birthday gift from an uncle to a niece, this is not taxable. The niece does not need to report it on her tax assessment notice. If Andreas instead gives 50,000 DKK worth of Bitcoin for the same birthday, SKAT would likely consider this well beyond a normal gift, and the niece would owe income tax on the full value (or the excess above a reasonable amount) in box 20. If the gift is not for a special occasion — for example, a parent simply transferring crypto to a child's wallet on a random Tuesday — then the entire value is taxable to the recipient as personal income in box 20, regardless of amount. The distinction between an occasional gift and a non-occasional transfer depends on timing, documentation, and whether there is a clear celebratory context.

For gifts between spouses, the rules differ. Spouses can generally transfer assets (including cryptocurrency) between themselves without triggering immediate tax, provided the transfer is genuine and not structured to avoid tax. However, the recipient spouse takes over the giver's cost basis for Danish tax purposes — there is no step-up in basis. This means if the giver acquired the crypto at a low price and transfers it to the spouse who then sells it, the gain is calculated from the original acquisition price. For gifts as part of inheritance planning, the Danish gift tax rules (boafgift/gaveafgift) may apply instead of income tax rules. The annual gift tax-free threshold for children in 2026 is 80,600 DKK per parent per child. Gifts exceeding this threshold are subject to 15% gift tax. Crypto gifts structured as part of an inheritance plan should be reported via the gift tax form rather than box 20. See our gift tax guide → for details.

Reporting Requirements

The reporting requirements for airdrops, hardforks, and gifts depend on the type of receipt. For promotional airdrops, report the market value in DKK on the date of receipt in box 20 (Anden personlig indkomst). If you subsequently sell the airdropped tokens, the gain or loss must be specifically assessed — contact SKAT or request a binding ruling. For hardforks, do not report anything at the time of the fork. When you sell hardfork coins, calculate the gain or loss under the standard speculative income rules: the cost basis is DKK 0 (unless you have purchased additional units of the same coin), apply FIFO, and report gains in box 20 and losses in box 58. For gifts for special occasions of modest value, no reporting is needed. For larger gifts or non-occasional gifts, report the value in box 20.

Documentation requirements: For all types of non-purchase crypto receipts, maintain comprehensive documentation. For airdrops: keep the announcement or terms of the airdrop, the transaction ID, the date and time of receipt, the market value source (e.g., CoinGecko, CoinMarketCap snapshot), and the USD/DKK exchange rate on the receipt date. For hardforks: document the original cryptocurrency holding, the fork date and block height, the ratio of new coins received, and the market value of both old and new coins immediately after the fork. For gifts: keep a written gift declaration signed by both parties, documentation of the occasion (e.g., birthday card, wedding invitation), the transaction ID, and the market value on the transfer date. The gift declaration should include the giver's CPR number (or passport number for non-residents), the recipient's CPR number, the amount and type of cryptocurrency, the date of transfer, and a statement confirming the gift is genuine and without consideration.

Binding Rulings

Given the complexity and fact-specific nature of airdrop, hardfork, and gift taxation, SKAT recommends requesting a binding ruling (bindende svar) if you are in any doubt about the correct treatment. This is particularly important for: large airdrops (over 50,000 DKK in value), where the tax bill at receipt can be substantial and you want certainty that the promotional gift classification is correct; hardfork coins with significant value where the DKK 0 cost basis creates a large potential gain upon sale; gifts with borderline values where it is unclear whether the amount exceeds what is appropriate for the occasion; and novel types of distributions (e.g., NFT airdrops, governance token retroactive distributions, liquidity mining rewards) that may not fit neatly into existing categories.

To apply for a binding ruling, submit a detailed description of the facts to SKAT, including the specific cryptocurrency, the distribution mechanism, the date and amount received, and your proposed tax treatment with legal analysis. Include screenshots of the airdrop announcement or hardfork notification, wallet transaction records, and relevant correspondence. SKAT charges a fee of approximately 300–1,000 DKK and responds within 3–6 months. The ruling is binding on SKAT for the specific facts described. If the facts change (e.g., a new protocol upgrade or a different distribution method), the ruling may no longer apply. You can find the application form at skat.dk under "Bindende forhåndsbesked." For questions, call SKAT's securities department at (+45) 72 22 28 94.

FAQs

Do I pay tax on an airdrop before I sell it?

Yes. Promotional airdrops are taxable at the time of receipt as personal income in box 20. You must report the market value in DKK on the receipt date, even if you have not sold the tokens. If you later sell the tokens at a gain or loss, the tax consequences must be specifically assessed — contact SKAT for guidance.

What if I receive a hardfork coin and immediately sell it?

If you sell a hardfork coin on the same day you receive it, the gain is the full sale proceeds (since cost basis is DKK 0). The gain is reported in box 20 as speculative personal income. You cannot offset this gain with losses from other cryptocurrency transactions in the same year under the general rules, because gains and losses are calculated separately per transaction.

Is a crypto gift from my parents to me always tax-free in Denmark?

Not necessarily. A gift for a special occasion like a birthday or Christmas is tax-free if the amount is modest and appropriate. A non-occasional gift or a gift exceeding a reasonable amount is taxable as personal income in box 20. Additionally, if the gift is part of inheritance planning, the gift tax rules (boafgift) with the 80,600 DKK annual threshold may apply instead. Contact SKAT or a tax advisor for your specific situation.

Can I use the gift tax annual exemption (80,600 DKK) for crypto gifts?

Yes, the annual gift tax exemption applies to all types of assets, including cryptocurrency. If you give crypto to your child and the value does not exceed 80,600 DKK (2026 threshold), no gift tax is due. However, if the gift is structured as an occasional gift of modest value, the income tax rules may be more favourable (potentially entirely tax-free). Carefully structure which exemption you rely on and document accordingly. The exemptions are not cumulative — you choose one basis for treatment.

Does SKAT automatically know about my airdrops and hardforks?

Under the EU's DAC8 directive, which takes effect in 2026, Danish crypto exchanges and certain foreign exchanges reporting to SKAT will be required to provide transaction data, including airdrops and other distributions, to tax authorities. SKAT is increasingly using blockchain analytics to identify wallets with significant activity. While an airdrop to a non-custodial wallet may not be automatically reported today, the trend is toward greater transparency. It is your responsibility to report all taxable events regardless of whether SKAT already has the information. Failure to report airdrops and hardforks can result in penalties of up to 200% of the tax evaded.