I'm crossposting this as its worrying me.
I apologize if someone already asked this.
Granted they may not be mining litecoin exclusively. But shouldnt zenpool be #2 on that list?
They should be "unknown" since they are pretty much mining ...

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They are mining SHA256 too so you would also have to look for them directing hash at BTC directly. The same equipment could possibly get higher hash rates on SHA256 too, though lower payouts. However, the script network can only take so much hash before prices go down so...