[Warning] ETC Pool mining pays out HALF what it should

[Tmdz]

I discovered unusually low payout mining ETC and did some investigation on the matter.

From what I can see if you mine ETC you will be earning roughly HALF of what you should on average against the difficulty.  I will provide some examples

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Nano is reputable pool so they should be a good benchmark to use.

using this account as example http://etc.nanopool.org/account/0x77b5f7633313bec7dba42c63ca2f22afd179791a#workersTab

1558 MH for the average over 6 hours (time of this writing)

23.25 ETC per day shown

but if you calculate against the difficulty of 15.059 TH you should earn 44.69 ETC per day average

You can check it at https://www.whattomine.com/coins/162-etc-ethash?utf8=%E2%9C%93&hr=1558&br=5.0&d=15051273568360.0&p=220.0&fee=0.0&er=0.00501003&cost=0.1&hcost=0.0&btc=537.002&commit=Calculate

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The stats on nano appear to be accurate, at first I ignored them as I thought it was just incorrect.  But after some payouts they matched up to the charts they predict you will earn over a certain amount of time.  So I went back to mining ETH and I earn as I should, given the difficulty.

So what do you guys think is happening here?  Is a 51% attack making blocks invalid or is it some other issue?  I doubt the pools are doing something shady as nano has been reliable.

Edit: Only nano was affected, they have resolved the issue and made back payments for the missing funds.

[DeCrypterManiac]

I've had exactly the same issue with nano a few days ago, switched to suprnova and my payments are on spot since then, even a bit higher than expected because there are bonuses.

[MarkAz]

Interesting - I just checked my stats and payments, and see the same thing as you, about half of the performance as what would be projected.  Back to ETH for me as well...

[Spufa]

Just checked, its not half in my case but it's exactly 35% lower than it should be. Looking for another pool now...

[adaseb]

Looks like I got sent an extra payout just now from nanopool. Seems they re-index some data and seems correct now.

[u0000]

Thanks for this OP.

Roughly 60% down for me, just assumed difficulty increase and didn't check.

[daboehla]

Try www.ethteam.com

I have good stats here:
http://ethteam.com/#/account/0x3c0aa5c26bc0293c9c56138f414f41913d4f71de

6h are a short time, to talk about payout vs hashrate.
Depends very much on pool luck.

[u0000]

I believe this has been fixed now, received an additional payment from nanopool which adds up to the correct amount.

Thanks nanopool op if you are reading this.

[Tittiez]

Got a payment by nanopool to correct this as well, so it must've been an error on their end.