Airdrop: what it means for crypto tax

An airdrop is tokens distributed to wallets, often for free or as a reward. Airdrops are frequently taxed as income at their value when received, with that value becoming the cost basis. Spam or scam airdrops should not inflate your income.

General information, not tax advice. Crypto tax rules differ by country and change over time, verify against your country's guidance or a qualified advisor.

An example

Receive an airdrop worth 300 and you generally have 300 of income and a 300 basis; a worthless spam token should not.

Why it matters for your tax

The wrinkle is valuation and timing when a token has no liquid market yet, and the risk of scam airdrops distorting a report, which is why likely spam is flagged.

CryptaTax handles this automatically across your wallets and exchanges, so the concept is applied consistently without you tracking it by hand. Try the crypto tax calculator →

Related terms

• Airdrops guide
• Fair market value
• Fork

See the full crypto tax glossary for every term, or the crypto tax guides for how they fit together.

Airdrop: what it means for crypto tax

Definition in context

An airdrop is a distribution of tokens to wallet addresses, often for free or as a reward for holding a particular asset or participating in a protocol. In crypto tax, the key point is that airdrops are generally treated as income at the time you gain control of the tokens. The fair market value of the tokens on that date becomes your income amount and also your cost basis for future capital gains calculations. However, not all airdrops are legitimate; some are spam or scam tokens sent to many wallets. You should not include those in your income if they have no real market value or are unsolicited and you cannot dispose of them.

Why it matters to crypto records

Airdrops create a taxable event at receipt, even though you didn't pay for the tokens. This means you need to record the date and value of the airdrop in your records. If you later sell or trade those tokens, you'll have a capital gain or loss based on that initial value. Failing to record an airdrop can lead to underreporting income, and later, when you sell, you might overpay tax because you lack a cost basis. Also, distinguishing between legitimate airdrops and spam is crucial to avoid inflating your income with worthless tokens.

Record example

On March 1, 2025, you receive 100 XYZ tokens via an airdrop. The fair market value of XYZ on that day is $2 per token, so you record $200 as income. Your cost basis for these tokens is $200. On June 1, 2025, you sell all 100 XYZ tokens for $3 each, receiving $300. Your capital gain is $300 - $200 = $100. If you had not recorded the airdrop, you might have reported the entire $300 as gain, overpaying tax.

Distinctions and next steps

Airdrops differ from hard forks (where you receive new tokens from a chain split) and from bounty payments (where you perform tasks). Each has its own tax treatment. To handle airdrops correctly, first verify the legitimacy of the airdrop. If it's a known project, record the receipt date and fair market value. If it's spam, you may choose to ignore it, but be prepared to justify that if audited. Keep all documentation, such as transaction hashes and exchange listings, to support your valuation. Finally, consider using crypto tax software that can automatically import airdrops and assign values, but always review the entries for accuracy.

A careful next step

Before acting on this term, return to the original record and write down the question it raises: what changed, which source proves it, and whether another related concept describes the event more accurately. Keep that note with the export or wallet evidence. It makes a later review faster and avoids turning a short label into an unsupported conclusion about tax, accounting or reporting.