BlockBeats News, March 29, BNB Chain ecosystem project Cogni Token is about to refund all BNB raised in this presale. It is reported that the Cogni Token presale received a total of 4553.2 BNB. The team has decided to refund all BNB raised in this presale based on the community's vote, and all users will receive a portion of COG airdropped tokens based on their participation in the presale.