Crypto mining giant Bitmain has officially filed paperwork that will allow it to go public on the Stock Exchange of Hong Kong. According to the documents, the firm made a total of $2.52 billion in revenue during 2017, representing a significant increase from the $277.6 million in revenue it generated over the course of 2016. Gross profit reached $1.21 billion last year, up again dramatically from $151.4 million during 2016.