http://invest2idhnehbsap4drbilvo7unpjcmuddetz7pgtndlmo3hm5lu4yd.onion/bitcoin-passphrase/index2.html
Innosilicon, Canaan, Bitfury, Whatsminer (started by the same engineer designed S7 and S9), and others are quickly catching up, compressing margins for all players. As the pace of tech node improvement slows down, ASIC performance becomes increasingly dependent on the company’s architectural design skills.