Topic: Suprnova.cc scam?! (Read 20539 times)

the same bro..but it was in summer. After scam

as far as i know suprnova still paid user who meet condition for minimum withdrawal, i've tried in various suprnova algo's too.. and it still paid

I've been using this pool for a long time. I've never had a problem. Most likely you have not figured out how to configure. Look at @ocminer trust, if SN pool was a scam it wouldn't be green.

From what I see Supernova is a total scam. I mined for 4 days on zen. Only got .5 zen when i was suppose to get well over 2 zen. Then i tried to update my address to be paid out and my account gets locked for some stupid reason. I guess i typed my pin in wrong or my password dont know how because i got like 10 email conformations. But that is only one of the issues. So it locked me out. Then it told me to go to the unlock page and type in my email address to unlock it. So i did just that. Big mistake because right after that poof my account does not exsist. Keeps sending me conformations but now I dont have an account. I know i did not delete it i was trying to unlock it. So i went to pool status and what do you know my miner name does not exsist. Funny thing is my miner still active but my supernova account is gone. So not only was i robbed my hashrate but all my confermed balance too. I read all the bad reviews and said this will not happen to me because there are also alot of good reviews mostly whales. I have been on alot of pools never have i been scammed so bad. Sent emails but what i hear from almost everyone that has a problem never get GM reply. I pulled all my miners off this crooked pool and when to a honest pool where my coin goes to my wallet not someine else      so unless you want to mine for free stay as far away from Supernova as possible.!!!

Yes it seems that they are truly scam a friend of mine complained about them, I'm just fed up about this guy's who derived joy from scamming others

BE CAREFUL....,
Suprnova is a scam, my balance there is not paid.


Now, I'm turning to prohashing

my account  has lock because system said FALSE PIN, (i do not think false) after unlock account,
event i can not login with same username and password, i have try to unlock with email unlock
what should i do, i still have coin BTG ZEN MONA ZEC there

wow this post is even more productive than the other one

https://bitcointalksearch.org/topic/m.32166974

Yup, as you could already read from the previous post...

Hey. Your problem with the Supernova is solved now?

Thanks.

***We got your PM. Thank you! Albeit, when we try to add that address it still says "address already in use". Maybe it will work itself out. Regardless, we have gotten a new wallet and address and were able to enter it.***

P.S. We understand you guys are busy alot of the time. We do fully appreciate all the hard work y'all put into running a pool. Just want to make that clear. We just freak out when we can't figure something out and can't seem to get a response sometimes. So again, THANK YOU!

As you can see, I have PM'd you. Regardless, if you could delete our ZCL address t1RmDDBokvekGQ8WVst8PHR3UiNxnkd8ByT we would be grateful.

I can delete the address from the DB so you can enter it again if that is what you want ?

PS: Still no PM received

***** DATE: February 03, 2018, 10:34:47 AM   SUBJECT: ZCL Problem   TO: ocminer *****

"Hey OCMiner,  I am having a problem with me and my wife's Zclassic account. It Says that our ZCL address is already in use.  (t1RmDDBokvekGQ8WVst8PHR3UiNxnkd8ByT)
I mined earlier the other day, had 2 reset, & now it won't allow me to enter my addy (maybe because we tried anonymous?). Should we stop mining ZCL altogether on SuprNova or delete our account? It Shows on the dashboard that our shares counted, but we just can't insert our address.

Mark"



P.S. We will send it again through PM....

I actually don't have any unanswered PM's ATM and I'm also not that super busy.. next time, just pm me when you don't get an answer via email and I check

Both my wife and I have emailed, posted on the forums, PM'd, tweeted multiple times........ and almost 2 weeks went by without even a response. That's more than a few minutes. But I get it, y'all are busy. And I solved our ZCL address issue by just downloading another wallet and using its address. Albeit, I would have liked to have known why our original addy kept saying it was in use already(?). The best I could figure is that we had originally mined as anonymous and then, after resetting, somehow our addy disappeared and we couldn't enter it again.

If you're having an issue, either write a mail to admin at suprnova.cc or you can also PM me here, usually most issues are sorted within a few mins.

Listen, they're pretty decent. But the communication definitely sucks and certain pools just seem to have trouble now and again. Like their ZCL. I finally had to get a new address because they wouldn't respond to my issue, and then the rounds kept going over 400-500%. I had to switch to ZEN....which is working alright as of now.

Damn... i just started my DCR minning on their pool, i guess i should look for another pool then if all these problems seems to appear....

I gotta say.....I agree there.

My wife and I have tried to contact Suprnova through Web, email, PM, Twitter, and forums for over a week because we have a ZCL address issue....but never a response.    

I've tried my rig on the ZEN pool and it works fine, I've also tweaked stratum a bit to give more accurate values, try again now.

I am noticing a hashrate discrepancy when mining ZEN that does not seem happen when I mine BTG. My hashrate, more or less, on the poolside of btg.suprnova.cc matches EWBF - I realize there will be some shares luckier than others, so there will be some fluctuance. The problem I have is that zen.suprnova.cc is consistently displaying a 25% lower hashrate than what EWBF shows. It is the same algo, same mining software, and the same settings. What is going on here? Why does BTG seem to be okay, while ZEN doesn't pass the sniff test.

I have been lobbying for suprnova.cc recently after getting scammed by pools like pool.gold who steals like 75%, minertopia isn't nearly as bad as them, zpool who doesn't pay, and even MPH which seemed like an honest pool until I started noticing rewards degrading to a consistent 10% reduction in rewards vs expected rewards over a period of several weeks. That is why I switched to mining BTG on suprnova.cc, and my rewards are right on, just not with ZEN.

I'm not, nor is anyone else here looking for excuses about DDoS or explanations about variance and luck. Just fix the issues. And I will keep my miners pointed there for a bit longer to see if anything changes. If it doesn't, I will just simply go somewhere else and stop lobbying for you.

Thanks,

Dave

Well, after doing a few more test runs over the last few days I have even more data.

Running Zen, Zcash, BTG.... Round %'s ;

110,   1002.33,   167.22,   437.71,   185.96,   962.15,   200.74,   192.37,   1471.63,   167.22,  108.46,   904.98,   119.99,   133.22,   124.51,   138.76,   151.55,   148.85,   960.50


Honestly, I don't know what to make of it. This really shouldn't be. Once you start going over 200+% consistently there is a problem somewhere.


***EDIT: Also, across those cryptos, over several machines, I am getting 1 rejected share for every 235 good.***



SuprNova Mod/owners...is there anything you can do? Or look into it further?

And please let me be very clear......

I absolutely appreciate all the hard work and dedication that the pool mods/owners put in. That should go without saying.   

I am just hoping that all stay on top of such issues, so as not to leave room for people to start crying "foul".

I'm no "newb"....and I run multiple tests. And almost every single time I mine on any of the SuprNova Pools I run into the round progress going over 100%.....and too many times into the 200-400% range. That should not be. Sure there can be some bad luck. That's a given. But the motto shouldn't be "If I didn't have bad luck I wouldn't have any luck at all"....

The round I was doing a while ago ended at almost 380%. Ummmm......I have NEVER had that happen before. Ever.

Now, would I call it a scam? Not necessarily. But DEFINITELY something needs to be adjusted. All pools should be monitored and adjusted constantly. Period.

"newbies" need to stop doing these unscientific tests.

use a different pool and compare payouts




check your spam folder

I can not log into my account and withdraw funds. I reset the password does not come with a new letter. In support, he wrote, they are silent.

Suprnova seems to be messed up like many people in this thread have said:

I'm using Suprnova and CCMiner x64 2.2.3 (ccMiner tpruvot fork v2.2.3 With Polytimos and KeccakC support) with 4 gtx 1070s to mine Monacoin (Lyra2Rev2 algo).

CCMiner reports around 34-35 MH/s per card = 139-140 MH/s total yet Suprnova reports around 80 - 100 MH/s on the graph on the left, and in a box on the right reports around 80 MH/s.

Also, according to whattomine, I should be making 1.1-1.2 Monacoin per day.  Well, I've been mining for about 12 days and only have 8.5 Monacoin (8 paid, 0.5 not paid yet).

Something is obviously not right.  Scamming us?  Tech issue?  Both?...

this first time i request payout from suprnova.. let see..

on zcoin suprnova, had payouts but a lot of rejected. No answer from them or support.

It looks dodgy while you mine but seems sort of ok for the rest

Just my 2 cents

I am of the opinion that there isn't something right with supernova.cc as I have been mining a coin that doesn't even have a wallet.  Yes... I thought the fact that I couldn't access the stakcoin.org website to create a wallet was that I am in New Zealand.  Tried the same thing in USA and again no joy with the site.  So I decided to examine further stakcoin.org  - the domain is an available domain.  So be careful, as with francescocmazza I am suffering from the lack of response from the help desk.

iam working with suprnova.cc over 6 days, and iam happy with them, yesterday i made my 1st btg payment and its arrived,

Last Hour   0.00015403   
Last Day   0.00659781   
Last Week   0.04185845   
Last Month   0.04185845   
All Time   0.04185845   

2 X GTX 970

suprnova gets a lot of commission!

I actually happened to be doing a test around this time if anyones interested
https://youtu.be/neviSk7zNs4

Did the pool find a block while or shortly after you were mining? If it didn't find a block, then you wouldn't get paid with PPLNS.

I came across this post as I was trying to figure out why none of my nicehash shares reflect on zec.suprnova.cc

I'm not going to labor the point but I experienced the exact same thing as described in this post.  I bought around 4.5MH from Nicehash for an hour, and the order successfully kicked off and showed shares being submitted.  I could see my hashrate reflecting on the suprnova dashboard, I could see my estimated earnings reflect (initially as 1.3 ZEC), then the estimated earnings started dropping and eventually went to zero.  The pool isn't showing any sign that I ever allocated any mining power, no transactions, no earnings ... yet real time I could see that my shares were being picked up.  I did contact suprnova this morning via the "Contact" option on their website, but no reply as yet.

So in my case, that little experiment cost me 0.075 Bitcoin.

To the pool owner, the following comments:

- The ZEC suprnova home page and landing pages all show the following: "For Nicehash use zec-eu.suprnova.cc:2143", so that is exactly what I used when I configured my order in Nicehash (along with my username and password obviously).  That comment (to me) indicated that the pool caters for Nicehash orders specifically, as in it is a good idea to use this pool for Nicehash orders.

- If there are known issues with running Nicehash orders against this pool, or if that comment only applies to the Nicehash miner and not purchased hashpower, then at least clarify or remove that comment from your landing page.  ...or state on your homepage that Nicehash orders against the pool are not supported, or might experience issues, or something to that effect.

- I understand Nicehash is involved, and the pool is involved, and I am involved, so it is difficult to figure out technically what happened.  However, I can see that Nicehash is still correctly reflecting the times and hashpower, I know that suprnova was reflecting the hashpower correctly and was showing the same hashrate as Nicehash when the order kicked off (I checked before I left the order to run and complete), the only issue is that suprnova has since "forgotten" that I ever existed.  It's difficult to believe the issue is somewhere other than the pool.

- Never mind log files, just compare the rewards paid to the pool to the earnings you allocated for the last 24 hours.  There should be a nice big "hole" of at least 1.3 ZEC there (or more?)

THANKS, I appreciate that. I'd wish you would not feel it's been a donation, but let's just leave it like that. You show you have integrity and that's all it counts.

I am well aware of the whole cryptocurrency market being a very risky proposition. And I know that a mining rental contract is not a one-click solution. Can it be profitable ? YES, I proved it to myself .  Can it be profitable using a PPNLS pool ? NO , unless you are able to mine 24/7. Can you mine 24/7 using a mining rental contract and have a profit ? NO, if you do not carefully follow the market or put up in place some BOTS. I have been able to generate a profit using a RBPPS pool : it takes a constant monitoring of your rental contract and adjustment to your bids. Am I getting rich ? NO , but I am having lots of fun doing it for few hours every day !

Case closed,
Pakal

Honestly I've looked through all the logs, tried to debug what I can and it still looks from my side like the hash was either invalid or simply not recorded - so from my point of view it's a user/nicehash issue. I've explained it several times already - to no avail.


However to not ruin you and finally get this thread to an end, I'll donate the missing 0.6 ZEC from my own pocket to your account - you can withdraw it.


Just a few tips for the future from me:
The whole bitcoin/altcoin/mining thingy is a risky thing, it's no "contract" with a bank or some institute where you can control everything from the start to the end. You don't have a real contract with some provider where you really rent a certain amount of hashing power/shares and point it to pool XXX and you then get the exact amount of calculate reward back - why isn't everyone renting on nicehash then if it would be so easy ? You're renting hashing power from some nerdy guys who wrote a stratum proxy for mining rigs and then you're pointing that proxy to another nerdy guy who wrote pool software for it.. Or... You're renting hashing power from some internet strangers where some folks have pointed their rigs to a cloud service which then in turn redirects those rigs to some pool on the other end of the internet.. You can't expect for every rent to be 100% - even if it's displayed like this.. If you get displayed 2,5 M shares have been sent from XXXhash or , but the (any) pool reports 0 then you GET 0 shares and you get 0 funds and you can't or shouldn't complain about that because the pool is only a pool. If you start a rig somehwere and the pool doesn't instantly show your hashrate - stop it immediately and check your settings - you won't get paid until the pool shows your hash.

It's like jumping in the car and driving "north" for a few hours without looking at the map and then after 12-13 hours you arrive somewhere northern - jump out of the car and start yelling at the people around "Why didn't I reach my destination ? YOU are guilty, YOU should have pointed me in the right direction !!" It's ridicolous.. The northern people can't keep you on track from the start - they can't hold your hand with every move you make, you are or you should be old enough to drive a car somewhere and you should make sure that you keep checking the map BEFORE you start - WHILE you're driving and BEFORE you arrive.

Good luck !

Ocminer, can you solve this issue? Or better say, are you willing to solve it?

Ocminer, I have NOT received any payment for that round. If you look at the timestamp, all payments made to my account where before that mining session.
I have already moved my mining to a PPS pool . I agree that PPNLS is definitely not appropriate if you a not able to mine 24/7.
BUT you cannot just dismiss my  case with vague answers , when I am missing an estimated 0.6 ZEC from suprnova.
It's all in black and white. You are the owner of the pool, know the payout algorithm , and have all the tools to check why 240,000,000 shares have been gone !!

Old round stats, once paid, are purged automatically from the system to save calculation time for newer rounds. Most likely those shares were counted as invalid, as the rejection rate in the screenshot is already unusual high and are therefore not in the calculation. I see multiple payments to your address on that day - I can't check anymore if the credits where for that round, but the whole balance from that day would be something around 1 ZEC.

I'd still recommend not to use nicehash on PPLNS pools anymore or try nicehash on different/other pools.

I am not here to post false claims. I believe you should put up some time to troubleshoot this problem. Like you said , NO WAY that a valid share is not paid AT ALL. Which is indeed my case.
Please give a look at the screenshot I took from your pool . The round/block  in  question is the 168084.
You can see  that my worker produced 240,254,387 valid shares our of  a total of 4,294,967,295 shares in the block. NOT ONE SINGLE share has been accounted as PPLNS share. Other workers have been accounted all or part of the shares of that round , as per the PPNLS algorithm. NOT ME, I have been accounted ZERO shares. Please look at the links of all the screenshot that I took from your pool and from my nicehash account . You will also find another very odd thing : the screenshot of the round in question that I took that same day, show different numbers from the screenshot taken today. As a matter of fact, if you look at it now, it shows as ZERO VALID shares have been accounted as PPNLS shares on round 168084 

Round resume : http://imgur.com/DhAZ5B8
Round details : http://imgur.com/52vUyiG
Round resume as of today : http://imgur.com/EdqcYv0

My nicehash contract : http://imgur.com/d2dVTkE
My nicehast second contract : http://imgur.com/5Ys3nyx


Please look into it and explain. FYI I was using a Nicehash Rental Contract, ( NOT a fixed one ) that I constantly monitored so that I could keep a steady hash rate. This went for about 3 hours , with 2 separate contracts, which in any case were using the same worker.

When I say I am missing 0.04 BTC, I am just saying the amount of ZEC converted in BTC . I know you pay in ZEC, and 0.04  BTC is a rough estimate.
I hope we could see the end of this problem and I apologize to OP for sort of hijacking his thread.

Yes, luck is a big factor here, however, the "N" value is not fixed, it's variable and should hover around the last 5-6 rounds.


I'll do some tests and see if it's feasible/necessary to raise that value.


I've tried to reply to your post in the other thread, however, it's technically impossible that (valid) shares aren't paid at all if your hashrate is displayed on the dashboard as the shares ARE calculated then. It's not so easy to debug nicehash shares, especially not the "fixed orders" as they don't appear like a normal rig on the poolside, they rather appear as a big miner jumping in and out which is totally unproductive on PPLNS pools as we need a "stable" amount of shares over a longer period - not some bursts of shares, that's why I don't recommend it on PPLNS pools as it's really problematic.

I'd also recommend you to compare results with different pools, you'll see at the end it's the same.. some rounds are lucky and pay more, some are unlucky and pay less.

A pool is no guarantee for your rewards/rounds to be exactly what is estimated.

Still no reply to any of my support request. Call it whatever you want, I call it a scam, and I will stick to it until I will be given a mathematical explanation of why of 240,000,000 shares NONE of them was accounted as PPNLS.

I agree 100 percent.

Ocminer, you still have not replied to my 4 support requests of 2 weeks ago so please don't go around claiming that your available everywhere and if we're not able to reach you it's our problem.

Ocminer, pardon my arrogance but if I understand the mechanic correctly all you have to do to solve our issue is increase the N value to a few times the share number of an unlucky round.

Can't you do that?

I think the issue is that Suprnova uses a very short "N" value for PPLNS calculations on ZEC. This makes the results extremely variable. If the N value were increased, payouts would be much less variable, but it would take longer to get your coins.

Anyway, it's very possible for your shares to be worth nothing with PPLNS. It's also common for them to be worth 2 or 3x as much (or more). It all depends on luck.

How come you even put instructions on your website with  a video on a how to use your pool with Nicehash rental contract ?!?!
Proof : http://imgur.com/mUc4Rvq



It's not a matter of less than expected results , I was paid ZERO, after 3 hours of mining and after having contributed more than 240,000,000 shares , NONE of them was accounted as PPNLS  , I highly doubt it's possible, NO matter what the N value is in your pool.


I've contacted you over twitter, on your pool's thread on bitcointalk.org ( as a matter of fact, my post is the last one of the thread ) , used your webmail form, sent an email , sent a PM on bitcointalk , and you tell me that it's my problem !?!!?!?!?
Proof : http://imgur.com/KHD9Hri

Yeah. Your pool went dead for 9 hours on Sunday I stopped testing .

Quick thoughts anyone that talks about short testing simply does not understand the game they are playing.

And even with your pool being attacked for about 9 hours.  I hit enough blocks prior to the attack and after the attack to make out okay.

Rule #1: Don't use Nicehash on a PPLNS Pool

ZEC is a relatively small/mid-sized pool considering hash and it was DDoS'ed throughout the whole last week - and now this thread, must be a co-incidence

However, there are always rounds with bad luck and rounds with good luck. If you're rented hash during a round of bad luck you'll for sure not get the return you'd expect as the round takes longer than expected (bad luck), rounds with good luck however will return more than expected - no one is complaining then

Since most pools are PPLNS now, renting rigs for a short period of time will always result in negative rewards because the pool calculates rewards from the shares submitted over the last X rounds - not just the last hour or so..

So in short: Nicehash doesn't work on the ZEC (or other PPLNS pools) pool over short periods.

Oh and considering support - I'm available through PM here, through IRC, through twitter and through contact forms/e-mails... If you can't reach me, the problem is 100% on your side.

I was testing it all for 10 days myself and finally can confirm what is said by the creator of this topic. And I also received no reply at all from Suprnova in a week.

You don`t need to trust us, just test it yourself using 2 rigs or separate your gpus with apps on suprnova and any other pool and test it for 3-5 days.

Thank god someone else notices, I was thinking it was just me..

The payments are fine with suprnova, it's just the amount credited while mining that doesn't add up.

I am mining sigt at suprnova at the moment and no issues with payments ;o

You likely mined during an unlucky period. Suprnova didn't find a block while your shares were among the shares being considered for the block reward. The pool's average block time is almost two hours, so it's not unusual to have a round over three hours. I don't think there's any foul play here.

I am in your same situation. I've mined the pool through a nicehash rental contract. Mined for 3 hours straight , which was almost half the time of the round ( 7:40 hours) . OK, I know that it was a long round and that the PPNLS payout system was going to affect the payout , but to receive ZERO , when I contributed that much to the round seems pretty impossible.

I  am a beginner BUT I do not like to point fingers. Before writing here I tried to contact Suprnova, 1) via their support webmail form, 2) directly sending an email to the email on their website, 3) sent a message on Twitter, 4) sent a PM via this forum to Ocminer. I waited 4 days and I've received NO RESPONSE , ZERO, NADA.

I may be wrong and what happened might be totally in line with the mining activity. If you look at the stats of the round you can see my worker (pakal) as being the 4th highest contributor in terms of shares.  How is it possible that I mined 240,254,387  shared and NOT A SINGLE ONE was accounted as a PPNLS  share !?!?!!?

BUT I have received no response at all, and for this reason I feel I HAVE BEEN SCAMMED.

Ocminer may be a respected member of this forum, and Suprnova a legit pool, but until I will receive an explanation of why I have been denied roughly 200$ worth of payout I'd consider Suprnova a SCAM BUSINESS. BEWARE before you engage in any mining activity with Suprnova.

These are the proof of my mining activity taken from the Suprnova Dashboard

http://imgur.com/DhAZ5B8
http://imgur.com/52vUyiG

Philip, I strongly suggest you try other pools like mining pool hub or coinotron, these last two seem to be much more reliable IMHO.
Thank you all for your kind replies. I think there are two possibilities to explain suprnova behavior:
1. PPLNS number of shares is lower than a few unlucky rounds, therefore the last contributors to a round get overpaid and the first ones get stolen.
2. The admin is deliberately playing around.

12 hour is nothing if Round Variance it hit 400-500 or even 300 depend by what h rate he was have or how many valid share it was send (we don't know value, detail anything), this payment system it have a problem coz it require to mine full round + to keep your quota till end other way 4,5,8,12 hour it can be flush to toilet (i experience that on my own skin on other pool) ... BUT is noo scam is just how thing work, if is fair?!?! that happen is other discussion ...

he say "2. There's no way one round can last days and go over 500 percent complete. I've suffered from these many many times." it can happen to goo to 500 & i already give a example in previous post is real not invented "2017-08-17 14:14:23   484.61%" & how i say it can happen is how system work ... what i will say the problem it came when thing like that it goo in row fallow one by other, at that point admin is suppose to look in matter to investigate & agen is NOT a scam

about "4. The fact that I'm not receiving any reply from the admin to my many questions and help requests" yes that is not nice

anyway his matter it suppose to be clear with more detail, all we can do is to make supposition working with out real fact

cheers

 1 week tests not 1/2  day tests.

I am mining zec at suprnova.cc

I am using 8 1080 ti's to test.

I will give results soon.  Ie six days from now

As I am 1 day in

Suprnova and OCMiner are very reputable.

What happened is that you simply got unlucky. Suprnova's ZEC pool has a high block time, which means you need to mine there for a long time (at least 12 hours) if you don't want luck to excessively influence your reward.

when you say "I saw round completion to go much above 300 percent" that is call 'Round Variance'

What's the 'Round Variance'?
'Round Variance' is a calculation made taking into account the block difficulty and the effort already made by the miners to find a block, each time a block is found the round is restarted. A 100% variance means that the expected effort to find a block was already reached, but it's not deterministic, in other words, it's not guaranteed that at 100% a block will be found. The process of finding blocks is very similar to a lottery, where each miner makes several bets in order to try to crack the hash code, thus sometimes when we are lucky blocks are found early with just a few tries (before 100%) or unlucky (after 100%).

soo "The process of finding blocks is very similar to a lottery" aka high % 'Round Variance' bad luck now it depend how pool it is set or make to work & for this only a admin can say it or give details

when you say "I have seen my expected coins to drop completely to zero" that it happen because your portion (%) of share vs all share found it get verry small let say 10,000 share vs 1,041,915,720 aka you = to 0 what it can be happen let say on a Round Variance ~480% & your income it will be 0

well technical is not a scam but is a perfect scheme to rob miner abuse 'Round Variance' system aka you can mine full 12 hour 120% variance you stop miner various reason (shutdown pc, restart, update so, driver ... move to other pool ... ) & you not start mining agen BUT round it goo further to let say 400% well all your time will be invalidated, nullify to 0 or to very very very few small pay

low % round variance it can happen to aka let say 20% & amount of payment it can be low or high depend by h power what you have but usual all it get some payment vs high round when many can get nothing

from what i understend high variance it can happen, is fine but when that is in row soo many time over & over then is a problem & only admin of pool can say what is wrong but usual none of them will replay or they will say bad luck ... we are sorry for your loss & that it or to low h power ... what you or miner can doo is nothing or find pool what it work best for each of us like h power we have

Example for how bad thing can goo:
Block           Validity   Finder   Time            Variance %
XXXXXXX   Confirmed   X          2017-08-18 11:56:04   345.66
XXXXXXX   Confirmed   X           2017-08-17 21:20:15   168.29
XXXXXXX   Confirmed   X           2017-08-17 14:14:23   484.61
XXXXXXX   Confirmed   X           2017-08-16 19:18:30   322.17
XXXXXXX   Confirmed   X           2017-08-16 06:35:59   97.32
XXXXXXX   Confirmed   X           2017-08-16 02:58:04   225.26
XXXXXXX   Confirmed   X           2017-08-14 13:08:09   206.78
XXXXXXX   Confirmed   X           2017-08-14 00:11:25   179.01
XXXXXXX   Confirmed   X           2017-08-13 07:58:56   437.59
XXXXXXX   Confirmed   X           2017-08-12 09:43:22   445.07

i am new to & in case i make some mistake some older miner can correct me & hope it help you to undestend way what you was describe was happen & help to minimize your future loss

cheers

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