Yep. Each airdrop has its own rules. To get the reward, surely we must obey the rules and do the tasks properly. If we miss something, we can end up with no reward. So, it is true that we must be careful, recheck everything before we finish the task of the airdrop. It is also the same as bounty, only people who do it in the right way that are eligible for the reward.
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It is true that all the aircraft have their own rules in which the participants have the choice but to obey. So sadly there are other aircraft that most people do not know how to keep their promises to say.
Facts these are what I mentioned and it really happens in the field of this crypto industry, so most airdrops are not tortoo and just hype most of the time so do it at your own risk really most of the time.