Revenue Ruling 2019-24: Hard Fork and Airdrop Tax Treatment

Revenue Ruling 2019-24 is the IRS’s guidance on how cryptocurrency hard forks and airdrops are taxed. It answers two questions. A hard fork by itself, where nothing new lands in your wallet, is not a taxable event. A hard fork followed by an airdrop that delivers new tokens to you is ordinary income, taxed at your regular income rate on the fair market value of the tokens when you gain control of them.¹ The ruling sits on top of the older principle from Notice 2014-21 that virtual currency is treated as property for federal tax purposes.²

A Hard Fork With No New Tokens Is Not Taxable

The first situation the ruling covers is a protocol change that splits a blockchain’s ledger but does not put any new cryptocurrency in your wallet. Under 26 U.S.C. § 61, gross income reaches income from any source unless the tax code carves it out.³ If you did not receive anything, there is no accession to wealth and nothing to report. The cost basis of your original holdings does not change either.¹

Not every protocol upgrade produces a new coin, so this scenario is more common than it first sounds. When the fork does not deliver new property to you, the IRS treats it as a non-event.

A Post-Fork Airdrop Is Ordinary Income

When a hard fork does create a new cryptocurrency and units of it are airdropped to you, the answer flips. Revenue Ruling 2019-24 holds that the tokens are gross income under § 61, ordinary in character.¹

The ordinary-income label is the part that surprises people. Selling crypto you bought on an exchange usually produces a capital gain. But the initial receipt of airdropped tokens is taxed at your regular rate, which for 2026 runs from 10% to 37% depending on your total taxable income.⁴ It does not matter that you never asked for the tokens. Passive receipt still creates the obligation.

Your Original Coin’s Basis Does Not Change

Receiving new tokens through a fork does not reduce the cost basis of the cryptocurrency you already held. The ruling and the IRS’s digital asset FAQ set the basis of the new tokens but do not reallocate anything from the old ones.⁵ If you bought Bitcoin at $30,000 and a fork later gave you a new token, your Bitcoin basis stays $30,000.

Airdrops That Are Not Tied to a Fork

Revenue Ruling 2019-24 is written around airdrops that follow a hard fork. Promotional giveaways and governance-token drops sit outside its direct scope. The underlying rule from § 61 still applies: if tokens land in a wallet you control and you can sell or move them, you have ordinary income equal to their fair market value at the moment you gain control.³

When the Tax Clock Starts

You do not owe tax the moment a fork happens on the blockchain. The taxable event is when you gain dominion and control over the new tokens, meaning you can actually transfer, sell, or exchange them.¹ The IRS’s digital asset FAQ ties dominion and control to your ability to dispose of the assets, which is “generally the time the hard fork is recorded on the distributed ledger.”⁶

That rule works cleanly when you hold your own private keys. You can move the tokens as soon as the fork is recorded, so that is your income date. If your crypto sits on a centralized exchange, things get delayed. The ruling gives a clear example: when an exchange does not support the new token and has not credited it to your account, you do not have dominion and control yet.¹ Income is recognized only when the exchange makes the tokens available to you.

This affects both the tax year and the dollar amount. A fork in December 2025 that your exchange does not support until March 2026 pushes the income onto your 2026 return, measured at the March price rather than the December price. The doctrine behind this is constructive receipt: income counts when it is available without substantial restrictions, not necessarily when it first appears on the ledger.⁷

Save proof of the date and time you gained access. Exchange statements, wallet transaction logs, and blockchain explorer screenshots all work. If the IRS questions your reported date, you will need to show when you actually had the power to move the tokens.

How Much Income, and What Basis You Take

The income is the fair market value of the new tokens at the moment you gained control, converted to U.S. dollars. If the token trades on an exchange, use the trading price at that time.¹ The ruling’s own example has a taxpayer who receives 25 units valued at $2 each and recognizes $50 of ordinary income.

That same dollar amount becomes your cost basis in the new tokens.⁸ Say you receive airdropped tokens worth $500 on the day you gain control. You report $500 of ordinary income that year. Sell them later for $800 and you have a $300 capital gain. Sell for $200 and you have a $300 capital loss. The gain or loss is long-term if you held the tokens more than a year from the date of receipt, otherwise short-term.⁹

Gas Fees to Claim the Tokens

Some airdrops require a network fee to claim. The IRS defines “digital asset transaction costs” as amounts paid to effect a purchase, sale, or disposition, and costs paid merely to transfer tokens do not qualify.¹⁰ The digital asset FAQ does not carve out an exception for gas fees paid to claim an airdrop. In practice, the income you report is the full fair market value at receipt, not a net figure.

Reporting It on Your Return

Every Form 1040 asks whether you received digital assets as a reward, award, or payment, or sold, exchanged, or otherwise disposed of a digital asset during the year. If you received airdropped tokens, the answer is “Yes.”¹¹ Checking “No” while holding airdropped tokens invites scrutiny.

The ordinary income itself goes on Schedule 1 (Form 1040), Part I, Line 8v, which is labeled for digital assets received as ordinary income not reported elsewhere.¹² That amount flows to your 1040 and is taxed at your regular rate.

When you later sell or exchange the tokens, the disposition goes on Form 8949 and Schedule D. On Form 8949 you enter a description of the asset (name and number of units), the acquisition date (when you gained dominion and control), the sale date, the proceeds, and your basis. For digital assets, the IRS uses reporting boxes G, H, or I for short-term transactions and J, K, or L for long-term transactions.⁹

Brokers began reporting gross proceeds on the new Form 1099-DA for 2025 transactions, with basis reporting phased in for assets acquired after 2025 in custodial accounts held at the broker until sale. Tokens dropped into a personal wallet and later moved to an exchange will generally be treated as noncovered, so the broker will not report your basis and you have to track it yourself.¹³

Penalties for Skipping It

Leaving airdrop income off your return can trigger the accuracy-related penalty under 26 U.S.C. § 6662, which adds 20% of the underpayment attributable to negligence or disregard of rules.¹⁴ The IRS defines negligence as any failure to make a reasonable attempt to comply with the code. With a published ruling, a detailed FAQ, and a digital asset question on every 1040, an “I didn’t know” defense is difficult. Interest also runs on the unpaid tax from the original due date, and willful failures carry heavier consequences.

Simple records go a long way: the date you gained access to each airdropped token, the fair market value at that moment, the price source you used, and later the sale date, proceeds, and any fees. Capturing this as events happen is far easier than reconstructing it during an audit.

1
Internal Revenue Service. Revenue Ruling 2019-24
2
Internal Revenue Service. Notice 2014-21
3
Office of the Law Revision Counsel. 26 USC 61 – Gross Income Defined
4
Internal Revenue Service. IRS Releases Tax Inflation Adjustments for Tax Year 2026
5
Internal Revenue Service. Frequently Asked Questions on Virtual Currency Transactions
6
Internal Revenue Service. Frequently Asked Questions on Digital Asset Transactions – Section: FAQ 105
7
eCFR. 26 CFR 1.451-2 – Constructive Receipt of Income
8
Internal Revenue Service. Frequently Asked Questions on Digital Asset Transactions – Section: FAQ 107
9
Internal Revenue Service. Instructions for Form 8949 (2025)
10
Internal Revenue Service. Frequently Asked Questions on Digital Asset Transactions – Section: FAQ 53
11
Internal Revenue Service. Determine How to Answer the Digital Asset Question
12
Internal Revenue Service. Schedule 1 (Form 1040)
13
Internal Revenue Service. Instructions for Form 1099-DA (2026)
14
Office of the Law Revision Counsel. 26 USC 6662 – Imposition of Accuracy-Related Penalty on Underpayments