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Airdrops et forks expliqués : Implications fiscales des revenus surprises

Découvrez comment les airdrops et les forks génèrent des revenus inattendus, comment les évaluer et quelles sont les obligations de déclaration auprès de l'IRS. Naviguez dans le paysage fiscal en toute confiance.

📖 7 min read

Vous vous réveillez avec une notification : vous avez reçu 1 000 nouveaux jetons provenant d’un airdrop ou d’un fork de blockchain. Vous n’avez pas acheté ces jetons ; ils sont apparus dans votre portefeuille de manière inattendue. Mais sont-ils imposables ? À quel moment devez-vous payer des impôts ? L’IRS n’a pas encore fourni de règles claires concernant les airdrops et les forks, laissant de nombreux utilisateurs de cryptomonnaies dans l’incertitude. Ce guide explique comment ces événements fonctionnent, leurs implications fiscales et comment rester en conformité.

What Are Airdrops & Forks?

An airdrop occurs when a blockchain project distributes free tokens to holders or wallet addresses. This is often used to promote a new project or reward community members. A fork happens when a blockchain splits into two separate chains, creating new tokens for holders of the original chain. Both events can result in new tokens appearing in your wallet unexpectedly.

How Airdrops & Forks Occur

Imagine you hold 2 ETH before a network upgrade. During a hard fork, the blockchain splits, and you now hold 2 ETH plus a new token—say, 100 fork tokens—on the new chain. For airdrops, a project might send tokens directly to your wallet address, perhaps in proportion to your holdings or as part of a promotional campaign. These tokens appear without any transaction on your part.

Valuation and Timing of Income

The IRS generally considers airdrops and forks as taxable income when you have dominion and control over the tokens—usually when they appear in your wallet. The value is based on the fair market value at that moment. For example, if 1,000 tokens are worth $0.50 each when received, your income is $500. Valuing these tokens accurately depends on market data at the time they hit your wallet.

Tax Treatment of Airdrops & Forks

The IRS hasn't issued specific guidance on airdrops and forks, leaving some ambiguity. Most tax professionals agree: receiving tokens from an airdrop or fork is income at the moment of receipt, equal to the fair market value. This income is taxable as ordinary income. When you later sell or exchange these tokens, you'll recognize capital gains or losses based on the sale price minus the value at receipt.

Common Mistakes & How to Avoid Them

Failing to recognize airdrop income

Why

Many users think tokens are free or not taxable until sold.

Fix

Track the receipt date and valuation. Recognize income based on fair market value when tokens appear.

⚠️ Cost

Potential underreporting of income and IRS penalties

Ignoring valuation timing

Why

Token prices fluctuate rapidly, making valuation tricky.

Fix

Use exchange data at the time tokens hit your wallet for accurate valuation.

⚠️ Cost

Incorrect income reporting, possible audit risk

Not reporting forks or airdrops

Why

Uncertainty about IRS guidance leads to neglect.

Fix

Treat receipt as taxable income, report on Schedule 1 or ordinary income line.

⚠️ Cost

Legal penalties, interest on unpaid taxes

How Moonscape Handles Airdrops & Forks

Moonscape automatically detects when airdrops and forks appear in your wallet. We flag these events and estimate the fair market value at the moment of receipt based on available market data. Our system records the valuation date and amount, making it easy to include this income in your tax reports. When you sell the tokens later, Moonscape tracks your cost basis, simplifying capital gains calculations.

Best Practices for Reporting Airdrops & Forks

Airdrops & Forks: Income Timing & Valuation

itemcharacteristictax_treatmentnotes
Airdrop received in walletTokens appear automaticallyTaxable at fair market value when receivedValuation at receipt date
Fork event (chain split)New tokens assigned to existing holdingsIncome at the time tokens are creditedValue depends on market at that moment

Scenario: Receiving an Airdrop of 1,000 Tokens

  1. You hold 5 ETH before the airdrop.
  2. The project launches an airdrop, sending 1,000 tokens directly to your wallet.
  3. At the moment of receipt, the tokens are worth $0.50 each.
  4. Your taxable income is 1,000 × $0.50 = $500.
  5. Later, you sell all tokens for $600, realizing a capital gain of $100.

💰 Tax Impact:

You recognize $500 as ordinary income at receipt and $100 as capital gain upon sale.

Frequently Asked Questions

Are airdrops taxable?

Yes. Most tax professionals agree that receiving tokens from an airdrop creates taxable income at the fair market value when they first appear in your wallet. Report this as ordinary income.

When do forks create taxable events?

A blockchain fork results in new tokens credited to your wallet. Tax is owed when the tokens are credited, based on their market value at that moment.

How should I value tokens from airdrops or forks?

Use the market price from a reputable exchange or data aggregator at the exact time the tokens hit your wallet. Keep records of the valuation method.

Related Reading

Suivez automatiquement vos airdrops et forks avec Moonscape. Nous enregistrons les dates de réception et les valeurs, ce qui facilite et rend plus précis le calcul des impôts.

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