I invested BTCs shopping for GHS from Hashnest. In the beginning, profits appeared on the display screen, but at some point my financial commitment and profits disappeared with the monitor and Bitmain presented me S9 in return. S9 is of no use to me, due to price of energy that https://bitmainantminers19proprof80133.salesmanwiki.com/9027866/the_definitive_guide_to_bitmain_antminer_s19_pro_110th_profitability