1) A crypto airdrop is a marketing method employed by startups in the cryptocurrency space.

2) It involves delivering tokens to the wallets of current cryptocurrency traders, either for free or in exchange for a small promotional service.

3) The airdrop is meant to spread awareness and increase ownership of the currency startup.

4) While some are legitimate, other airdrops have been seen as fraudulent when attempting to steal a wallet or personal information.

5) Airdrops may be based on those who express interest, hold existing tokens, are intentionally selected, or win raffles.