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DeFi airdrops rely on blockchain-based identity verification methods, such as wallet address ownership checks, on-chain activity analysis (e.g., transaction history, liquidity provision), and social media integration for whitelisting. Smart contracts automate eligibility criteria, ensuring tokens are distributed only to verified participants. Some projects use zero-knowledge proofs (ZKPs) to validate identities without exposing sensitive data. Multi-signature wallets and decentralized identifiers (DIDs) enhance security, while anti-sybil mechanisms (e.g., proof-of-personhood) prevent fake accounts. These methods balance transparency, privacy, and fraud prevention, aligning with DeFi’s decentralized ethos while complying with regulatory standards.

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