An airdrop is a crypto token, coin, or NFT distribution where a project sends assets directly to users’ wallet addresses, often at no cost. Teams use airdrops to market a new protocol, bootstrap a community, decentralize token ownership, or reward early supporters.
How airdrops work
Most airdrops define eligibility criteria and then distribute assets to wallets that meet those conditions. Eligibility might be based on onchain activity, such as using a decentralized application, providing liquidity, bridging assets, voting in governance, or holding a particular token or NFT at a specific snapshot block. Some airdrops are “claim-based,” meaning users must connect a wallet and submit a claim transaction, while others are “automatic,” where tokens are deposited without user action.
Airdrops can also be paired with tasks designed to build awareness, such as joining a community channel or completing a tutorial, although many modern campaigns focus on verifiable onchain behavior rather than social tasks.
Common types and real-world context
A “retroactive” airdrop rewards early users after a product gains traction, for example, an exchange or lending protocol distributing governance tokens to past traders or borrowers. “Holder” airdrops go to wallets that already hold a specific asset, such as a collection of NFTs receiving a companion token. Ecosystems may run recurring airdrops to encourage continued participation, but typically each distribution is a discrete event with its own rules.
Risks, taxes, and best practices
Airdrops attract scammers. Fake claim websites, malicious smart contracts, and phishing links can trick users into signing approvals that drain wallets. Legitimate projects publish official eligibility checks and contract addresses, and users should verify these through trusted channels. In many jurisdictions, airdropped tokens may be taxable upon receipt, depending on local rules.
Airdrops matter because they are a major way crypto networks distribute ownership, incentivize early usage, and grow decentralized communities while aligning users with a project’s long-term success.