Address Hash Rate (*) LNS % Balance
RR57UdWcdf73oMoF4p4pgAX2xNR9PgxAdc 19321.4 h/s 32.2 % 38.573
I don't know if a CPU rig is possible or profitable, but this clearly means that someone found a way to mining lots of ROI
(GPU ?)

That's not a lot of hash rate we know one guy who can do 100kH/s with a special intel polaris chip

A single Dual AMD Epic server can probably already do 10kH/s , but why would you use such expensive gear.
Because you can do it for free?
Come on, we all know that the majority of CPU miners
are admins in datacenters who have free equipment and electricity
and a boss who doesn't really care.