Fighting Sybils in Airdrops. (arXiv:2209.04603v1 [cs.CR])

Airdrop is a crucial concept in tokenomics. Startups of decentralized
applications (DApps) reward early supporters by airdropping newly issued tokens
up to a certain amount as a free giveaway. This naturally induces greedy
hackers, called Sybils, to create multiple accounts for more shares. Most
airdrops have prerequisites for qualification, in which utilizing these DApps
is unsurprisingly the principal. One particular characteristic of DApps is to
implement users' interactions with them in the form of token transfer
transactions or smart contract …

airdrops fighting