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How do crypto airdrops work?
In 2020, Uniswap gave 400 UNI tokens to every wallet that had used it. Overnight, early users found themselves holding something worth over a thousand dollars.
Airdrops like that made people chase the next one, and they made the fake airdrop one of the most common traps in crypto.
How a real airdrop works
Real airdrops reward past activity and are claimed from the official site. Fake copies of the announcement are the most common trap.
Projects airdrop tokens to reward early users, spread ownership widely, or launch a token with a community already holding it. Eligibility is usually based on a snapshot of past activity.
Airdropped tokens often appear in wallets or become claimable on the project's website. Many recipients sell soon after, which is one reason new tokens can drop sharply after launch.
Airdrops are also a favorite scam lure. Fake "claim your airdrop" sites ask you to connect your wallet and approve a transaction that drains it.
Some well-known airdrops
Uniswap gave 400 UNI to every address that had used it before September 2020. Arbitrum and Optimism airdropped tokens to early users of their networks. These rewarded past activity, announced after the fact.
Since then, many people use new apps hoping to qualify for future airdrops, and projects try to filter out farmers using many wallets.
Claiming safely
Get the claim link only from the project's official website or verified account, and type the address yourself. Real claims ask you to sign a message or pay a normal network fee.
Be suspicious of any claim that asks for unlimited token approval, a payment to unlock tokens, or your recovery phrase.
How airdrops are taxed in the US
In the US, airdropped tokens count as income at their value when you gain control of them. That value becomes your cost basis for the later sale.
In the US, the IRS treats airdropped tokens as ordinary income. Its 2019 guidance, Revenue Ruling 2019-24, says you have income equal to the tokens' fair market value when you gain control of them, usually when they land in your wallet or when you claim them. That value then becomes your cost basis for any later sale.
Here is how that can play out. You receive 1,000 tokens on a day they trade at $1.20, so you report $1,200 of income. Months later you sell all of them at $0.70 for $700. The sale is a capital loss of $500, the $700 you received minus your $1,200 basis. You still owe income tax on the original $1,200, even though the airdrop only ever turned into $700 of cash.
Capital losses can offset capital gains, and up to $3,000 a year of other income, so the loss isn't wasted, but it doesn't erase the income in the same way. Keep a record of the date and price when each airdrop arrived, because exchanges often can't report it for you. Rules differ in other countries, and some treat airdrops differently depending on whether you did anything to earn them.
Points programs and how allocations are worked out
Your allocation depends on everyone else's points as well as yours, which you don't know until the end. Sybil filters can cut a wallet to zero.
Many recent airdrops are run through points. Users earn points for activity such as deposits, trading volume or referrals, and when the token launches a fixed pool of tokens is divided across everyone's points. Your share depends on how many points everyone else earned, which usually isn't known until the end.
Take a project that sets aside 50,000,000 tokens and sees 10,000,000 points earned in total. Each point is worth 5 tokens. With 2,000 points, a 0.02% share, you receive 10,000 tokens, worth $4,000 if the token trades at $0.40. Had twice as many points been earned by others, the same activity would have earned half as much.
Projects also run sybil filters to catch one person farming with many wallets. Wallets funded from the same source, moving in identical patterns, or interacting only with each other can be cut to zero. The details are rarely published in advance, and some projects change the rules after the fact. Treat points as a possible reward, not a promised one, and weigh them against the fees and risks of the activity you do to earn them.
Key terms
Airdrop
Free tokens distributed to eligible wallets.
Snapshot
The moment balances or activity are recorded to decide who qualifies.
Claim
Collecting airdropped tokens from the project's site.
Sybil
One person using many wallets to collect more.
Free tokens still carry risk and tax
Whether it's real. Fake claim pages copy real announcements word for word.
What the tokens will be worth. Many recipients sell straight away, and prices often drop after launch.
Whether it's tax-free. In many countries free tokens count as income.
What people get wrong
A token appearing in your wallet that you didn't expect isn't a gift. Interacting with unknown tokens can be a trap.
Free tokens may still count as income for tax purposes in many countries. Check local rules.
Why it matters
Airdrops create many of the newest coins on the market, and they're one of the most common routes into scams.
Common questions
How can I tell if an airdrop is real or a scam?
Only follow links from the project's official website or verified accounts, and be wary of anything that asks you to approve unlimited spending or share your recovery phrase.
Do I have to do anything to get an airdrop?
Usually you need to have used the project or held a coin before a snapshot date, then claim the tokens on the official site. Some are sent automatically.
Are airdrops taxable?
In the US, yes. The IRS counts airdropped tokens as ordinary income at their market value when you gain control of them, and selling them later can create a capital gain or loss. Other countries have their own rules, so check locally or ask a tax professional.
Why do airdropped tokens often fall after launch?
Many recipients got the tokens for free and sell them quickly, while few buyers have built positions yet. Large unlocks for teams and investors can add more supply later. Prices of new tokens can swing sharply in the first days and weeks.
