Confidential reputation checks and voting/polling can be done using Sismo tech. Here is an example of how it works from the latest hacathon project https://taikai.network/ethporto/hackathons/ethportohackathon2023/projects/clfdenblr147228801utunc5c9d1/idea
we can use list of arb sybil and add the address who collect from others’ address , and send arb to same cex address
Since its easy to backdoor KYC, its not that effective, reward users based on their community activities, but how about some other users around the world who speaks different languages, have to include them too.
IP detection is meaningless because gas costs up to 30u, but the maximum IP cost is only 10u
Actually, I think it’s better to ban witches than to guide them,
Witches are not necessarily all harmful,
Witches can actually contribute a lot to the liquidity of swap and nft
If multiple rounds of airdrops are used to motivate witches to stay on the Stark network, they will continue to interact and provide liquidity on the network, which is actually a good thing for the ecosystem and users
as of now, complicate task can push Sybil back…see Linea 9 weeks activity.
Anyway, to raise the cost per wallet from single user could easy set the gate to screen Sybil. Because it’s no effect on normal user.
Preserving user privacy and decentralization is crucial in Web3 concepts. While addressing Sybil attacks during airdrops, exploring alternative techniques and community involvement can be effective without compromising these principles.