Whether an airdrop is taxable when it lands depends on why it was received and which jurisdiction the recipient is in. But in almost every case the value recorded at receipt becomes the cost basis of the tokens — and because many airdrops arrive worth close to nothing, that basis is the difference between a small gain and a very large one later.
Income at receipt, or not
The central question for an airdrop is whether receiving it is itself a taxable income event, or whether tax is deferred until the tokens are sold.
United States. IRS Rev. Rul. 2019-24 treats an airdrop as ordinary income at the FMV of the tokens when they are received with dominion and control — that is, when they appear in a wallet the recipient controls and can transfer. That FMV is the income amount and also becomes the cost basis of the tokens.
United Kingdom. HMRC draws a line based on why the tokens were received. An airdrop received in return for a service, or with an expectation of providing one, is income at receipt. An airdrop received for nothing, in a personal capacity — not in exchange for anything and not as part of a trade — is often not income at receipt at all; instead, capital gains tax applies on a later disposal, with the basis derived from the receipt value. The distinction turns on the facts of why the tokens arrived.
Germany. Under BMF guidance the treatment again depends on whether the airdrop was received in connection with an activity or genuinely without consideration, which affects whether it is taxed as other income at receipt or handled on disposal. As always, the specific facts and a professional in the jurisdiction govern the outcome.
The practical lesson is that the same airdrop can be income in one country and a deferred capital event in another, and the deciding factor is frequently the reason for receipt — a fact that has to be recorded at the time, because it cannot be reconstructed from chain data alone.
The low-basis, large-gain trap
Many airdrops are worth almost nothing at the moment they hit the wallet. A governance token distributed before it has a liquid market might have an FMV of a few cents, or effectively zero. That looks harmless — little or no income to report at receipt.
The trap springs later. The cost basis is whatever the receipt value was. If the token was worth two cents at receipt and the holder sells it eighteen months later at twelve dollars, the capital gain is almost the entire proceeds, because the basis is almost nothing. A holder who never recorded the receipt — or recorded it at a guessed value — faces a disposal where the basis is unknown or wrong, and the safest assumption a tax authority makes about an unknown basis is that it was zero.
This is why record-keeping at receipt is the whole game for airdrops. The income event may be trivial; the basis it establishes is not. The work has to be done when the tokens arrive, not when they are sold, because the receipt-date market price is the only correct figure and it is far harder to defend after the fact.
Claim gas is part of the picture
Many airdrops are not pushed to the wallet automatically — they have to be claimed, and claiming costs gas. That gas is a real cost the holder incurs to acquire the tokens, and it needs to be tracked alongside the receipt value rather than lost in a general gas total. A holder who pays forty dollars of gas to claim an airdrop has spent forty dollars to acquire it, and that cost should be reflected in the records rather than silently absorbed.
How HQ Wealth records airdrops correctly
HQ Wealth creates a CostBasisLot row for every airdrop receipt, priced at the FMV for the block in which the tokens were received, so the cost basis is fixed at the correct value the moment the tokens arrive rather than guessed at disposal. A near-zero receipt value is recorded as a near-zero basis on a real lot, which means the eventual large gain is computed correctly instead of being mistaken for an error or defaulted to a zero basis later.
Because every receipt is its own lot, the disposal draws down the specific airdrop units under the portfolio's locked cost-basis method, and the claim gas and other acquisition details sit with the lot they belong to. The recipient still has to record why the airdrop arrived — that fact drives the income-versus-deferred question — but the value side is captured automatically at receipt, where it has to be.
Takeaway: An airdrop's basis is set the instant it lands, often at near-zero, and that low basis is what turns a later sale into a large taxable gain. Capture the receipt value and the claim gas at the time, record why the tokens arrived, and check the income treatment with a professional in your jurisdiction.