How do attackers exploit DeFi airdrops or token giveaways?

[chainsniff]

Malicious contracts can request wallet approvals under the guise of receiving tokens.

Some airdrops trigger transactions that drain your wallet through ERC-20 approvals.

Tip: Always revoke token approvals using tools like Revoke.cash or Etherscan token approval checkers before interacting with new contracts.

[Nahid Hossen]

Fake airdrops and phishing sites steal more wallets than hacks do. 🪤

[EmTeam]

Always verify contract addresses — free tokens can cost everything.