Bitmain, the leader in cryptocurrency mining industry, is registering for an IPO (initial public offering) expecting for around $18B by September 2018 and achieve the market capitalization of approximately $50B. The company by the late 2018 or in the early months of 2019 will be among the Hong Kong Stock Exchange list. Bitmain already shut a $1B pre-IPO capitalization round on July 23 and reach a valuation of $15B. The valuation is almost twice the value of Coinbase which is reported to be $8B. The Series A and Series B funding rounds of $50m and $400M respectively of the company…