Hello everyone.
I did many many tests with suprnova pool on different coins and in many many rounds.
In very many occasions I found that there was something wrong with the coins credited to me.
In many occasions I saw round completion to go much above 300 percent and my expected credit to drop insanely. On several occasions I have seen my expected coins to drop completely to zero, nullifying all my contribution. On one occasion I purchased massive hashing power from Nicehash (equivalent to 120 USD) and got credited no coins at all. From Nicehash no problem at all was detected when submitting my shares in all occasions. Just the same as when I bought hashing power and all went fine with suprnova. Always used the same settings.
One time when I had bought some amount of hashing power I saw again the same pattern of my expected revenue drop to zero I sent a mail to suprnova support. I never received any reply, but all of a sudden I saw all my submitted shares of that round disappear from suprnova counter.

I trusted this pool as it was the top most suggested by Nicehash. I have written to suprnova support many times asking for explanations, assuming these were errors of some kind.i never received any kind of reply from them.

Here are some conclusions I arrived to:
1. If I'm not mistaken with pplns it should be impossible to get 0 revenue out submitting many many shares. Maybe it could drop to 0.000001, but there's no way I could get from something like 0.5 expected zec to absolute 0 unless I got some kind of massive error.
2. There's no way one round can last days and go over 500 percent complete. I've suffered from these many many times.
3. I've compared my results with other pools and never registered any similar behavior, not even slightly close.
4. The fact that I'm not receiving any reply from the admin to my many questions and help requests is too strange. Some of the bugs I have experienced are massive. I was a very good contributor to suprnova, often generating over 10 percent of the entire pool hash. Having that amount of hashing power disappear into thin air seems too strange to me to be an error.

If anyone wants I have all the necessary information and proofs from Nicehash proving my statements here. I keep hoping to receive a reply from the admin of suprnova proving that this whole thing was a huge misunderstanding or an error. Since over 2 weeks have passed since I started asking for explanations and I received no reply, I am forced to believe I have been stolen from suprnova.cc