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Author Topic: [∞ YH] solo.ckpool.org 2% fee solo mining USA/DE 255 blocks solved!  (Read 1507811 times)
-ck
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April 23, 2018, 11:08:04 AM
 #7961

So how do miners then do block withholding?
That's something I'd rather not educate people on how to do.

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April 23, 2018, 11:59:31 AM
 #7962

Ofcourse I can't say for sure if there are or aren't miners withholding blocks on nicehash but I've found multiple blocks using Nicehash on this pool so from my standpoint so far it's not a big problem (or I've been incredibly lucky). I do however think that Nicehash should be monitoring it as -ck says.
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April 23, 2018, 12:31:03 PM
 #7963

So how do miners then do block withholding?
That's something I'd rather not educate people on how to do.

I wasn't asking on instructions how to do it, but then how do we tell if a rental or anyone is doing it as I have read you write they are?

I mean , logically, if we don't know, how do we know it REALLY exists. It's the falling tree in the forest dilemma.

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April 23, 2018, 12:45:05 PM
 #7964

So how do miners then do block withholding?
That's something I'd rather not educate people on how to do.

I wasn't asking on instructions how to do it, but then how do we tell if a rental or anyone is doing it as I have read you write they are?

I mean , logically, if we don't know, how do we know it REALLY exists. It's the falling tree in the forest dilemma.
If by "exists" you're asking whether someone out there is intentionally or unwittingly block withholding, I cannot answer the question though there have been pools that have inexplicably bad luck from entities in the past that they then blacklisted which turned out to be faulty miner hardware/software designs allegedly rather than malice (as if they'd admit to that anyway).

As for a mechanism to do it intentionally, yes it "exists".

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April 23, 2018, 01:04:45 PM
 #7965

Ohh.. So it was not been proven yet that it actually can be done maliciously then??

KANO has numerously referred to it from rentals like nicehash and westhash and is actively blocking them 'due to that reason'.
So there is really no merrit to that then?

Sorry for all the questions, but I just want to get educated on this issue as I do rent hashrate to pools every now and then and
nicehash is the easiest way to rent large PH++ .

I did notice that when a large rental form NH/WH is active to this pool, the share-rate barely increases vs a bunch of small single miner
rentals. the other week I hammered solo pool with 10ph for a while and it made little difference.
(Albeit it was rentals from MRR where a rig owner was just re-renting NH hashrate turns out). Angry

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April 23, 2018, 01:06:33 PM
 #7966

Ohh.. So it was not been proven yet that it actually can be done maliciously then??
Do you want me to prove it? Unfortunately I don't have hundreds of PH at my disposal to convince you but if you set up a low diff testnet pool I can mine at it for days without finding a block for you.

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April 23, 2018, 03:53:23 PM
 #7967

-ck, since 'the other guy' is blocking NH from his pool I assume that NH uses specific ip-addresses or something that identifies a NH rental? If so, could you then not also do an analysis of these rentals on the solo pool? I'm not saying that you should because the burden is with NH itself but I'm just wondering if it could it be done? (if you had the time and inclination to do so which I'm guessing you don't  Grin)
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April 23, 2018, 09:01:07 PM
 #7968

-ck, since 'the other guy' is blocking NH from his pool I assume that NH uses specific ip-addresses or something that identifies a NH rental? If so, could you then not also do an analysis of these rentals on the solo pool? I'm not saying that you should because the burden is with NH itself but I'm just wondering if it could it be done? (if you had the time and inclination to do so which I'm guessing you don't  Grin)
To do a meaningful statistical analysis I'd need to get 10 x diff shares from NH. At this pool's hashrate that would take about 3 years, assuming all the hashrate came from NH, which it is not. Meaning even if I wanted to do such an analysis, I can't. Proving block withholding is actually very difficult and always has been.

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April 23, 2018, 09:12:18 PM
 #7969

And every bit of that data would have to be specific to this pool (as any shitcoin rental would skew the data set).

If you have to ask "why?", you wouldn`t understand my answer.
Always be on the look out, because you never know when you'll be stalked by hit-men that eat nothing but cream cheese....
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April 26, 2018, 02:32:18 AM
 #7970

Interesting test I did today. I was bored. LOL

With 3.4-3.6PH the pool averaged 204-205 SPS.

I added a 3PH rental from nicehash and westhash to the pool for a while and the share rate only increased to 208SPS average.
Shouldn't it have gone up quite a bit more than that?

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April 26, 2018, 02:42:01 AM
 #7971

Interesting test I did today. I was bored. LOL

With 3.4-3.6PH the pool averaged 204-205 SPS.

I added a 3PH rental from nicehash and westhash to the pool for a while and the share rate only increased to 208SPS average.
Shouldn't it have gone up quite a bit more than that?

They use proxies which combine the shares from multiple machines into much less connections.

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April 26, 2018, 02:48:11 AM
 #7972

Interesting test I did today. I was bored. LOL

With 3.4-3.6PH the pool averaged 204-205 SPS.

I added a 3PH rental from nicehash and westhash to the pool for a while and the share rate only increased to 208SPS average.
Shouldn't it have gone up quite a bit more than that?

They use proxies which combine the shares from multiple machines into much less connections.

Does that mena less shares are actually transferred to the pool then? Just a fictitious hash rate increase, but no real increase in shares?

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April 26, 2018, 02:50:50 AM
 #7973

Interesting test I did today. I was bored. LOL

With 3.4-3.6PH the pool averaged 204-205 SPS.

I added a 3PH rental from nicehash and westhash to the pool for a while and the share rate only increased to 208SPS average.
Shouldn't it have gone up quite a bit more than that?

They use proxies which combine the shares from multiple machines into much less connections.

Does that mena less shares are actually transferred to the pool then? Just a fictitious hash rate increase, but no real increase in shares?
Diff

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April 26, 2018, 02:55:08 AM
 #7974

Interesting test I did today. I was bored. LOL

With 3.4-3.6PH the pool averaged 204-205 SPS.

I added a 3PH rental from nicehash and westhash to the pool for a while and the share rate only increased to 208SPS average.
Shouldn't it have gone up quite a bit more than that?

They use proxies which combine the shares from multiple machines into much less connections.

Does that mena less shares are actually transferred to the pool then? Just a fictitious hash rate increase, but no real increase in shares?
Diff

Huh?

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April 26, 2018, 02:55:57 AM
 #7975

Huh?
The bigger the hashrate the higher the diff, the shares per second are constant depending on number of connections.

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April 26, 2018, 03:00:36 AM
 #7976

Huh?
The bigger the hashrate the higher the diff, the shares per second are constant depending on number of connections.

So with a higher hash rate, and thus a higher diff, does the chance of solving a block go down or remain the same?
Sorry, I'm not following how all this works.  Cheesy

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April 26, 2018, 03:14:56 AM
 #7977

Huh?
The bigger the hashrate the higher the diff, the shares per second are constant depending on number of connections.

So with a higher hash rate, and thus a higher diff, does the chance of solving a block go down or remain the same?
Sorry, I'm not following how all this works.  Cheesy
Share diff is the equivalent of the server saying "Don't send me any shares that are less than a difficulty of x". For a given hashrate, if x were 100 (for example of small easy to talk about numbers) then the amount of times that amount of has "should" return shares would be 10 times per second (for example of small easy to talk about numbers). If you doubled that amount of hash, and kept x at 100, then you'd return 20 shares per second.
The value of x fluctuates with hash in order to have a specific number of shares returned per second/minute, otherwise an huge hash increase would dump 300 gajillion shares and pointlessly flood the server.

All shares that are returned for any difficulty lower than an actual block solve are solely for the purpose of the pool giving the users credit for their work (albeit that has no real meaning in a solo pool). To that end, there's no difference between 1 share at 100 or 10 shares at 10, other than the load on the server; so, the per user/hashrate diff is adjusted for that given hashrate and all users return roughly the same number of shares per second/minute.

If you have to ask "why?", you wouldn`t understand my answer.
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April 26, 2018, 03:20:20 AM
 #7978

Huh?
The bigger the hashrate the higher the diff, the shares per second are constant depending on number of connections.

So with a higher hash rate, and thus a higher diff, does the chance of solving a block go down or remain the same?
Sorry, I'm not following how all this works.  Cheesy
Share diff is the equivalent of the server saying "Don't send me any shares that are less than a difficulty of x". For a given hashrate, if x were 100 (for example of small easy to talk about numbers) then the amount of times that amount of has "should" return shares would be 10 times per second (for example of small easy to talk about numbers). If you doubled that amount of hash, and kept x at 100, then you'd return 20 shares per second.
The value of x fluctuates with hash in order to have a specific number of shares returned per second/minute, otherwise an huge hash increase would dump 300 gajillion shares and pointlessly flood the server.

All shares that are returned for any difficulty lower than an actual block solve are solely for the purpose of the pool giving the users credit for their work (albeit that has no real meaning in a solo pool). To that end, there's no difference between 1 share at 100 or 10 shares at 10, other than the load on the server; so, the per user/hashrate diff is adjusted for that given hashrate and all users return roughly the same number of shares per second/minute.

Ahh. Got it. Thank you!  Wink

So basically a large rental will stay 'about' the same SPS rate but will be transferring a much larger data packet/share with more difficult numbers (possible solves) in it.

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April 26, 2018, 01:46:09 PM
 #7979



Ahh. Got it. Thank you!  Wink

So basically a large rental will stay 'about' the same SPS rate but will be transferring a much larger data packet/share with more difficult numbers (possible solves) in it.

Yes -  ckpool's share diff adjusts to support a standard rate of accepted shares. The minimum it'll allow is 1 million using the rental port, but it can of course go higher. (If a share diff is above the network difficulty, you get a block.)
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April 26, 2018, 07:59:26 PM
 #7980

Hey guys!

I'm a newbie here.  Undecided

Can you please tell me how to check that I pointed my S9 to solo.ckpool in correct way?

{
 "hashrate1m": "8.07T",
 "hashrate5m": "13.5T",
 "hashrate1hr": "17.9T",
 "hashrate1d": "1.84T",
 "hashrate7d": "275G",
 "lastshare": 1524772684,
 "workers": 2,
 "shares": 40000000,
 "bestshare": 36400871.73692238,
 "bestever": 36400871,
 "worker": [
  {
   "workername": "16U5HDYhpW5ZxEX6MLofPCSh2tAumM932r",
   "hashrate1m": "8.07T",
   "hashrate5m": "13.5T",
   "hashrate1hr": "17.9T",
   "hashrate1d": "1.84T",
   "hashrate7d": "275G",
   "lastshare": 1524772684,
   "shares": 40000000,
   "bestshare": 36400871.73692238,
   "bestever": 36400871
  }
 ]
}

And the main question: How can I "examine the coinbase and template sent to you over stratum" to confirm that I'm mining to my own address? Is there any simple way?

Sorry for noob  questions  Huh Roll Eyes

Thanx beforehand!
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