ZK Nation said its Sybil filtering approach was to ensure as many users as possible would get an allocation, but that would inevitably let through some Sybils.
Ethereum zero-knowledge layer-2 scaling platform zkSync has continued to defend criticism over the criteria for its zkSync (ZK) token airdrop, slated to launch on June 17.
In a frequently asked questions (FAQ) document updated on June 15, ZK Nation answered 15 questions explaining why some groups were eligible for the token while others weren’t.
One of its longer answers focused on its detection and prevention measures for Sybil attacks, which occur when one entity creates and uses a large number of wallets to farm an airdrop. This was a continuing pain point among airdrop claimants recently.
