In the cold winter, the Grin mining group is quite hot. Grin is a project that was very popular in the US Crypto VC circle some time ago. Thanks to the support of several Chinese speculators, this popularity has recently spread to China. Investors who don't understand technology read technical documents and search the Internet for mining methods, hoping to invest in the development of ASIC mining machines. Here is everything you need to know about Grin~