I've been researching this along time and following at C#@.io. There paying close to 19% in fees and who cares we dont know where were mining.
It matters because AFAIK they haven't actually provided any evidence that they have been mining at all. It's not hard to point to a tx where there the 25 BTC reward comes from and yet they haven't done it. I'd be more than happy to keep quiet if they would post some verifiable proof that this is legit. It's all to easy for it to be a ponzi - it fits the bill exactly. As an investor myself, I don't like saying this but this is what it looks like.
I don't see ANY evidence of a Ponzi at all. Where is your evidence?