Bitmain filed to list its shares in Hong Kong in September, setting the stage for what was expected to be world's largest cryptocurrency IPO.
source https://www.google.com/url?rct=j&sa=t&url=https://www.ft.com/content/fb814562-4c8f-11e9-8b7f-d49067e0f50d&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNHyXTuIui0Hj2ioSTZWGXlVVbytlQ
