Every week we get the same question in different words: what is crypto airdrop and how does it work? This page walks the whole flow, from why the project runs the drop to what shows up in your wallet, and roughly what it costs you.
The "what" in one paragraph
A crypto airdrop is a distribution of tokens from a project to a pre-selected list of wallets. The project decides who counts as eligible, publishes the list (or the rule that generates it), and sends or offers the tokens on-chain. Because everything happens on public blockchains, anyone can audit who received what. If this is your first exposure to the idea, our airdrop primer has a longer explainer.
How eligibility is decided
Eligibility can come from many sources. Common patterns include:
- On-chain activity snapshots. The project reads the blockchain at a chosen block, and picks wallets that hit certain milestones (bridged x tokens, made y swaps, provided liquidity, etc.).
- Balance holders. Anyone holding a specific token or NFT above a threshold at snapshot time.
- Community lists. Signed up for a beta, joined a testnet, or held a role in a project's Discord.
- Randomized selection. Rare, but some drops randomly sample from a larger pool.
Well-designed projects announce the criteria before the snapshot; poorly designed ones announce them after and rely on hype. The best way to keep qualifying is to be a real user of products you already like — that is much cheaper than farming from scratch.
How the tokens actually reach your wallet
There are three common delivery methods.
| Method | Your effort | Notes |
|---|---|---|
| Direct push | None | Tokens appear in your wallet on drop day. |
| Claim from contract | Sign one transaction on the project's site | Most common in 2026; costs a small gas fee. |
| Vesting drip | Sign to enroll, then wait weeks or months | Tokens release over time; more risk if the project fades. |
The claim method is by far the most common today. It is also the method scammers imitate most, which is why we spend so much time in our legit-airdrops guide teaching how to spot fake claim pages.
What it costs you
Airdrops are marketed as free, but there are almost always small costs. Numbers below are illustrative.
- Gas fee to claim. A dollar or two on Polygon; up to 20 or 30 dollars on busy Ethereum days.
- Bridging fees, if you had to move funds to qualify.
- Tax on the received value, depending on your country.
- Time. The most underrated cost. A few hours a week adds up.
Before you spend gas, sanity-check the payoff. Our airdrop value calculator gives you a quick estimate. If the drop only pays back gas, the math is usually not worth chasing.
What happens after the claim
Once the claim clears, the tokens sit at your address like any other holding. From there you can hold, swap on a decentralized exchange, bridge, or transfer. If you plan to keep them for the long run, move them to cold storage — see our hot vs cold wallets guide.
The first swap is the moment reality sets in. Many airdrop tokens have thin liquidity at launch, so large sells cause big price impact. Selling a small slice first is a fair way to test the pool. And keep records for tax season; many tax authorities treat received tokens as ordinary income.
Pulling it together: what is crypto airdrop and how does it work
So, what is crypto airdrop and how does it work? A project picks a rule for who qualifies, distributes tokens on-chain to those wallets, and you either receive them automatically or claim them yourself. You may pay small gas and some tax. Most drops are small. A few are big. Learning the flow makes both cases easier to handle, and it makes fake claim pages much easier to spot. Read our risk disclaimer before you act on any of it.