Dang, that makes at least 3? Grabbed the below from another thread. Network hash and difficulty will be very interesting to watch later this month.
Monero network hashrate distribution (
stats on 8 february)
Roughly 70% of network hashare are on private pools.
Seems to be coinhive, js web miners, compromised pc/cpu instances botnets and Baikal, PinIdea and Bitmain ASICs/FPGAs
