Delphi Digital, a crypto industry research and investment firm, tweeted that the first-person shooter team competitive game "Counter-Strike: Global Offensive" (CS:GO) has generated more than $32 billion in transactions related to game skins and props since 2019, equivalent to 6.6 times the total transaction volume of the five major NFT series: Axie Infinity, BAYC, CryptoPunks, MAYC and Art Blocks.