Suggestions for improving the airdrop mechanism and preventing Sybil attacks: From the perspective of long-term network users and long-term token incentives, we should not only analyze the witch attack by technical means, but also improve the incentive mechanism to minimize the attack. Bad laws make good people bad, and good laws make bad people good. The same should be true for the airdrop policy. The purpose of the previous airdrop policy was to reward early users, without considering the r...