An airdrop is a marketing strategy used by blockchain projects to distribute tokens or coins to a large number of people for free or in exchange for performing certain tasks, such as following social media accounts or completing surveys. Airdrops can help increase awareness of the project and generate interest among potential users and investors. zkSync is a Layer 2 scaling solution for Ethereum that allows for fast and low-cost transactions. It uses zero-knowledge proofs to ensure the securi...