By starting with pre-sale TOKEN, some non-gamer users will get valuable TOKEN in the early stage. If they do not buy NFT cards by playing games, but sell them in the market, it will put pressure on the price of CFS; By starting the pre-sale with NFT cards instead of the TOKEN sale, which can ensure that all users who participate in the pre-sale are real players, which is conducive to the development of the game and has a long-lasting positive impact on CFS.