zkSync's airdrop KYC (Know Your Customer) requirements introduce a dual-edged sword for participants, balancing privacy concerns with compliance needs. On one hand, KYC ensures that airdrops reach genuine users, potentially reducing fraud. This builds a trustworthy ecosystem, which is crucial for long-term sustainability. However, the requirement raises privacy issues; many users are reluctant to share personal information, fearing misuse or data leaks. This can hinder participation, particularly among privacy-conscious individuals. Therefore, zkSync must carefully navigate this balance, ensuring compliance while implementing robust data protection measures. Transparent communication about data usage and security can alleviate concerns, encouraging broader participation in future airdrops without compromising user privacy.