IRS Revenue Ruling 2019-24

IRS Revenue Ruling 2019-24 Virtual Currency Hard Forks Airdrops

IRS Revenue Ruling 2019-24 explained through receipt, dominion and control, ordinary income, fair market value, basis, later sales, and records.

DeFi Farmer Research Desk

Sep 4, 2026 · 14 min read

In brief. Revenue Ruling 2019-24 says a hard fork alone does not produce gross income when the taxpayer receives no new cryptocurrency. New cryptocurrency received through an airdrop following a hard fork generally creates ordinary income when the taxpayer can transfer, sell, exchange, or otherwise dispose of it. Fair market value at receipt becomes income and usually the new asset's basis.

On this page13 sections

A blockchain fork sending received tokens into an income ledger and matching basis vessel while another path remains blocked

irs revenue ruling 2019-24 virtual currency hard forks airdrops analysis turns on control, down to the date and sometimes the minute a taxpayer could dispose of newly created units. A chain split by itself produces no gross income under the ruling when the owner receives nothing. Receipt of new cryptocurrency after the split generally produces ordinary income once dominion and control exist.

Capture wallet control, exchange support, units, UTC timestamp, price evidence, reported income, and the eventual disposition in one file.

Build the receipt and basis record

The ruling's two holdings

The official five-page ruling answers two narrow questions using two hypothetical taxpayers.

SituationNew units receivedAbility to disposeFederal income result in the ruling
Hard fork onlyNoneNoneNo gross income from the fork
Hard fork followed by distributionYesImmediateOrdinary income at fair market value when received
Exchange does not support new assetUnits may exist at an exchange-controlled addressCustomer cannot access or disposeGenerally no receipt until control becomes available under the ruling's example

Situation 1 describes taxpayer A holding 50 units of Crypto M. The ledger forks and creates Crypto N, though no Crypto N reaches an account A owns or controls. A has no accession to wealth from receiving a new asset. The holding says the hard fork produces no gross income.

Situation 2 gives taxpayer B 25 units of Crypto S after a fork of Crypto R. B can dispose of Crypto S immediately. The 25 units are worth $50 at the recorded time. The ruling treats $50 as ordinary income and sets B's aggregate basis in Crypto S at $50.

Those outcomes preserve a useful sequence. First ask whether property was received. Then identify control and time. Measure fair market value there. Record the same included amount as basis, subject to applicable adjustments.

  1. 01

    Fork

    The ledger's protocol changes and may create a new digital asset on a separate ledger.

  2. 02

    Receive

    New units reach an address or account and the taxpayer gains practical disposal power.

  3. 03

    Measure

    Determine US-dollar fair market value at the receipt time and include it under the applicable income rules.

  4. 04

    Track

    Carry the included amount into basis and calculate gain or loss when the units are later disposed.

Revenue Ruling 2019-24 links receipt to income and carries that included value into basis for the later disposition calculation.

Hard fork and airdrop mean specific things here

The ruling defines a hard fork as a protocol change creating a permanent diversion from the legacy distributed ledger. It may create a new cryptocurrency on a new ledger while the legacy cryptocurrency continues on the old one.

Its use of airdrop means a way to distribute cryptocurrency units to multiple ledger addresses. The ruling focuses on a hard fork followed by such a distribution.

Crypto teams also use “airdrop” for retroactive governance rewards, marketing distributions, NFT claims, liquidity incentives, spam tokens, and unsolicited dust. Revenue Ruling 2019-24 does not analyze every one of those arrangements. Section 61 and other authority may still produce income, though timing and character can depend on why the token was received and what the recipient had to do.

A retroactive token claim earned through services can raise compensation or business-income questions. A token received for staking belongs under other guidance. A gift has donor-intent and basis rules. Calling all four “airdrops” does not give them identical treatment.

Dominion and control sets the receipt time

The IRS asks when the taxpayer can transfer, sell, exchange, or otherwise dispose of the new cryptocurrency. Blockchain ownership evidence helps, while legal and practical restrictions also matter.

Self-custody is often straightforward. If a fork credits a private-key-controlled address and the new network is functional, the holder may be able to move units as soon as the ledger records them. Claim software, replay-protection risk, or an unavailable market can complicate valuation without necessarily eliminating control.

Custodial exchanges create a different path. The new asset can appear onchain at an address controlled by the exchange while the customer sees no balance and cannot withdraw or trade it. The ruling says a taxpayer lacks receipt in its example when the exchange does not support the asset and has not credited it. Receipt occurs later if the taxpayer obtains disposal ability.

“Pending” on an interface deserves evidence. Save the exchange announcement, support ticket, credit timestamp, withdrawal opening time, and trading-launch notice. A screenshot taken three years later will rarely reconstruct which feature opened first.

The IRS's updated digital asset transaction FAQ repeats this approach. Questions 104 through 107, added in December 2025, address fork receipt, income calculation, and basis.

Fair market value at receipt

Revenue Ruling 2019-24 measures ordinary income using the new asset's fair market value at receipt. That sounds clean when a liquid asset trades across established venues. Thin fork markets can be messy.

Suppose 100 new units become transferable at 14:06 UTC. A venue with executable access shows trades near $2.40, while a tiny offshore venue displays $3.10 on minimal volume. The taxpayer needs a reasonable, consistent US-dollar method supported by contemporaneous evidence.

Record the venue, pair, timestamp, units, price, and conversion rate. A volume-weighted or time-window method may be more defensible than one isolated print when volatility is severe. The Code and guidance govern, so have a tax professional approve the method for material amounts.

An asset can have economic value even when the taxpayer chooses not to sell. A price collapse an hour later does not automatically rewrite value at receipt.

No reliable market presents the harder case. Document failed quotes, transfer restrictions, liquidity, contract functionality, and any over-the-counter evidence. A zero value should follow evidence rather than convenience.

  • Income included and resulting basis
  • Later sale proceeds
Illustrative basis and later sale proceeds0 USD125.00 USD250.00 USD375.00 USD500.00 USDSell at $3200.00 USD300.00 USDSell at $2200.00 USD200.00 USDSell at $0.50200.00 USD50.00 USD
Example assumes 100 units received at $2 each, a $200 aggregate basis, no fees, and capital-asset treatment. Sale proceeds minus basis produce a $100 gain, no gain or loss, or a $150 loss across the three cases. Character and deductions depend on facts.
View as table
Illustrative basis and later sale proceedsIncome included and resulting basisLater sale proceeds
Sell at $3200.00 USD300.00 USD
Sell at $2200.00 USD200.00 USD
Sell at $0.50200.00 USD50.00 USD

Income and basis use the same starting value

A taxpayer receives 100 units at $2 each with immediate control. The ordinary income inclusion is $200. The aggregate basis is generally $200, or $2 per unit before adjustments.

If all units later sell for $300, the separate gain is $100 before fees. If proceeds are $50, the nominal loss is $150. Holding period begins when the asset is received, which can affect short-term or long-term character.

This prevents taxing the full $300 as gain after $200 was already included as income. The initial inclusion and later disposition belong in linked records.

Fees need consistent treatment under applicable tax rules. Network gas, exchange charges, claim costs, and disposal fees do not all receive automatic or identical treatment. Preserve each amount and ask an adviser how it affects income, basis, proceeds, or expenses.

Specific identification also matters when units arrive in batches or later mix with purchases. Record wallet and account identifiers, lot timestamps, and unit counts. The crypto tracking spreadsheet offers a practical ledger format.

Unsupported exchange example

Imagine a chain forks on June 1. An exchange controls the deposit wallet and says it is evaluating the new asset. The customer cannot see, trade, or withdraw new units.

On September 15, the exchange credits 40 units and opens withdrawals. A market quote at that time is $1.25. Under the ruling's exchange example, September 15 may be the receipt date because that is when disposal power arrives. The illustrative income would be $50.

Now alter one detail. Trading opens on September 14, while withdrawals open the next morning. The ability to sell may establish control before withdrawal. The interface logs matter.

Another exchange credits units and simultaneously places the account under a legal freeze. The result requires analysis of the actual restriction. Do not assume a displayed balance always equals dominion, or that every inconvenience postpones receipt.

Field noteHow I audited the tax sequence

I traced each step to the ruling's facts and holdings, then checked the IRS digital-asset FAQs updated in December 2025 and current Form 1099-DA guidance. I did not prepare a return or determine a fair market value for a live fork. Examples here are arithmetic illustrations rather than taxpayer conclusions.

Promotional and unsolicited airdrops

A token can appear without a hard fork. The ruling's title attracts those searches, though its holdings are narrower.

For a promotional distribution, ask what created the right to receive it. Services, referrals, liquidity provision, employment, a purchase, and pure unsolicited receipt can point toward different authority. Determine when the token became transferable and whether restrictions were substantial.

Spam tokens create security trouble alongside tax uncertainty. Some cannot be sold because the contract blocks transfers. Others lure holders to a malicious claim site. Never interact with an unknown token merely to test its value. Record the contract, wallet view, and available market evidence without granting approvals.

The crypto airdrop scams guide explains signature and approval risks. Tax recordkeeping should not require connecting a wallet to a stranger's website.

Substantial unsolicited assets deserve professional analysis. The recipient may dispute whether dominion exists, whether fair market value is ascertainable, or whether later abandonment creates a deduction. Those are legal conclusions, not toggles in portfolio software.

Reporting and Form 1099-DA

Taxpayers must report digital-asset income, gains, and losses even when no information form arrives. A wallet cannot issue a form, and foreign platforms may have different US reporting duties.

Form 1099-DA began reporting broker-facilitated digital-asset proceeds for relevant transactions. The 2026 instructions phase in basis reporting for certain covered assets acquired after 2025. Forked or airdropped assets may still be noncovered, and broker records may lack the receipt basis.

Gross proceeds are not taxable gain. Reconcile the form with units sold, acquisition lots, receipt income, basis, and fees. Contact the issuer about an incorrect statement and retain the original, correction request, and corrected form.

The individual return's digital asset question also requires an answer. Current IRS digital asset filing guidance lists receiving an airdrop as it relates to a hard fork among reportable transaction examples and specifies the records taxpayers should keep.

Return location can depend on character. Ordinary income may belong on different schedules based on whether it arose from a trade, business, employment, hobby, or other source. Later capital-asset sales commonly flow through Form 8949 and Schedule D, while dealers and businesses can face different treatment.

Fork and airdrop records checklist

  1. Identify the event

    Record whether this was a protocol fork, promotional distribution, service reward, staking reward, gift, or unknown token.

  2. Prove receipt and control

    Save the wallet transaction, exchange credit, support notice, trading availability, withdrawal availability, and restrictions.

  3. Fix the timestamp

    Use date, time, and time zone. Convert sources to UTC while preserving the original records.

  4. Measure fair market value

    Store units, executable venue, pair, price evidence, liquidity notes, US-dollar conversion, and chosen methodology.

  5. Link income to basis

    Record the amount reported as ordinary income and assign it to the received units before mixing lots.

  6. Track every disposition

    Preserve sales, swaps, spending, gifts, transfers, fees, proceeds, and specific lot identification.

  7. Reconcile tax forms

    Compare Forms 1099-DA and other statements with wallet and exchange records. Resolve mismatches before filing.

  8. Escalate hard facts

    Consult a tax professional for material value, missing markets, frozen accounts, businesses, entities, or international issues.

Common errors

  • Reporting no event because the asset was never sold, even though ordinary income arose at receipt.
  • Treating the fork timestamp as receipt when an exchange withheld support for months.
  • Using today's price to reconstruct last year's income.
  • Recording income without creating a corresponding basis lot.
  • Calling staking, service compensation, and promotional tokens hard-fork airdrops.
  • Trusting a portfolio import that silently assigned zero basis.
  • Interacting with a malicious token to discover whether it can be sold.
  • Assuming no Form 1099 means no reporting duty.

When to consult a tax professional

Get advice when values are material, pricing was thin, control arrived in stages, assets were frozen, or an amended return may be required.

Professional review is also appropriate for partnerships, corporations, trusts, retirement accounts, non-US persons, expatriates, miners, validators, and businesses. State tax rules and financial accounting can diverge from this individual federal overview.

Bring raw records. A neat annual total without timestamps, units, and source transactions limits what an adviser can verify.

Three things to do

  • Establish the first moment of practical disposal power.
  • Preserve contemporaneous US-dollar price evidence.
  • Carry the included income into the asset's basis record.

IRS Revenue Ruling 2019-24 FAQ

Is a hard fork taxable when I receive no new cryptocurrency?

Revenue Ruling 2019-24 says no gross income arises from the hard fork when the taxpayer receives no units of a new cryptocurrency.

When is a forked cryptocurrency received?

Receipt generally occurs when the taxpayer has dominion and control, meaning the practical ability to transfer, sell, exchange, or otherwise dispose of the asset. Exchange support can delay that time.

How much income does a hard-fork airdrop create?

The ruling uses the new cryptocurrency's fair market value in US dollars when received. That amount is ordinary income under its facts and generally becomes the basis in the new units.

Does Revenue Ruling 2019-24 cover every crypto airdrop?

Its holdings concern a hard fork and an airdrop of new cryptocurrency following that fork. Promotional, governance, service, staking, gift, and unsolicited distributions require analysis under their facts and other authority.

What happens when I later sell the forked token?

Calculate a separate gain or loss using proceeds minus adjusted basis. Holding period and taxpayer activity help determine character, while fees and lot identification need their own records.

Sources

Keep receipt income, basis lots, transfers, and dispositions connected so an exchange export cannot erase the audit trail.

Create a defensible transaction ledger
DeFi Farmer

DeFi Farmer Research Desk

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