Airdrops Need to Be More Secure—Here’s How We Can Do It - Unchained

Titus Capilnean, Vice President of Go-to-Market at Civic, argues that blockchain-based tokenized identity can make airdrops more secure without requiring users to reveal their identities. He says airdrops remain vulnerable to Sybil attacks, in which one entity runs multiple fake identities, and that many projects have yet to adopt effective safeguards. Under the proposed approach, a non-transferable token in a user's wallet would confirm attributes such as being a unique human or community member, and projects could set expiration dates on credentials. The article cites Vitalik Buterin's recent comments on blockchain-based identity frameworks as support, and notes that user claims of $630 million in tokens came from a recent zkSync airdrop.