The airdrop has been successfully concluded, which was held by SofaSwap and CoinHub from 15:00, Sept. 1st to 24:00, Sept. 5th, 2021 (UTC+8) (see details: https://twitter.com/SofaswapO/status/1432938550006222848) . According to the rules, the official has completed the statistics of the event. The event received 4,892 user addresses and 1,015 were valid…