I know you're new and trying to find a job or free bonus in the market, but honestly, free stuff is an old story here when things weren't worth it, and no one cared. But so far, to make money in this market, you need to invest or work hard and get small rewards. There is no such thing as free, and there is no such thing as making money fast or getting rich overnight.
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Yeah, I would not count airdrop as free crypto also anyway especially my old email back in 2018 just got attacked by a lot of email bombs and I did not even bother to use it anymore for just attempting these bounties or airdrops.
It is like you're also selling your email address for a worthless token anyway so yeah it is not really what you call it "free". I can even recall one particular email that day trying to steal the private keys of my MEW by trying to bait me into their phishing site.
It can be said that nothing is 100% free, if they don't make us do any task, they will also collect our personal data. For me, there is no such thing as a free lunch, there is a price to pay for everything.