What Is an Airdrop?
An airdrop is a free distribution of tokens to wallet addresses, usually rewarding past users of a protocol. Uniswap's 2020 drop of 400 UNI to every historical user, worth thousands of dollars at the time, created the template and a permanent industry of people hunting the next one.
How It Actually Works
- Projects snapshot who used them before a cutoff date, then let qualifying wallets claim tokens. The goals: decentralize ownership, reward early users, and buy loyalty and legal distance in one gesture.
- Airdrop farming industrialized the hope: people grind transactions across new protocols, often through many wallets, betting effort now against unknown future drops. Points programs made the bet explicit, and restaking mania ran substantially on it.
- Projects fight back with anti-Sybil filters that disqualify obvious wallet farms, with mixed success in both directions.
Risks and Common Mistakes
- Fake claim sites are the number one airdrop reality. Any drop's announcement spawns impostor "claim" pages that are drainers. Verify claims only through the project's confirmed channels, and remember unknown tokens appearing in your wallet are frequently bait; interacting with them is the trap.
- Taxes: in the U.S., airdropped tokens are ordinary income at fair market value when received, per IRS guidance in my tax guide. People have owed real dollars on tokens that later went to zero.
- Farming economics: gas, time, and capital lockup against a maybe. Most farms lose; the winners you hear about are the usual survivorship story.
- Post-drop tokens typically bleed as farmers exit. Receiving free tokens and holding them by default is a choice, not a plan.
When It Matters
Judging any "free money" moment: claim safely, tax honestly, and decide deliberately whether to hold. The security half lives in phishing; the decision half is ordinary portfolio discipline.
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