Certik Airdrop: guide how to participate and claim
Certik is a security auditing company that also has its own platform for analyzing crypto projects. It allows you to complete quizzes and other social tasks with the expectation of a potential airdrop.
Certik Skynet
Skynet by Certik is a platform for analyzing projects and participating in social quests. To register, go to skynet.certik.com/quest/signup, click the Log in button and create an account using your email. Next, go to the Quest tab and start completing simple tasks.

The questions are mostly related to the security of a particular service. At the top of the page, you can go to the daily tasks, sometimes they change, but usually they are related to simple actions, for example, viewing statistics of two projects.
Other ongoing airdrops
Paradex
Paradex is a decentralized exchange from Paradigm. It offers low fees, convenient trading, and other additional features.
Gradient Network
Gradient Network is a decentralized protocol that offers participation in an airdrop campaign by installing its own browser extension.
Resolv
Resolv is a stablecoin protocol backed by Ethereum tokens. You can earn passive income and participate in an airdrop at the same time.