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Question: What type of pool payouts do you prefer?
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Author Topic: [40+ PH] SlushPool (slushpool.com); World's First Mining Pool  (Read 3853751 times)
kkurtmann
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July 18, 2014, 05:59:57 AM
 #17281

So the difficulty decreases sometimes?  I was under the impression that it only went up-and-up-and-up.
How is the difficulty set?  Is it set by the number of leading '0's required for a block solution?  Who sets the difficulty? Is it the nodes?

A) The difficulty can decrease if the average block time over the most recent 2016 blocks is >10 min

B) Difficulty is set via mathematical forumal dependent on the time taken to solve the most recent 2016 blocks.

C) The difficulty determines the number of leading zeros required for a valid block solution.

D) The bitcoin protocol sets the difficulty itself.

10 hours later for a good response. I wonder if he already googled it and figured it out on his own.

https://www.buytrezor.com?a=55c37b866c11   well sir, I like it!
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Benjy_Bronk
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July 18, 2014, 01:52:14 PM
 #17282

I
hate
long
blocks


that is all

Please donate bitcoins to 1Fnru3bQ35VccmGQiDsA5Up2dmmiddUq47
sjc1490
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July 18, 2014, 02:32:34 PM
 #17283

I
hate
long
blocks


that is all

2nd That!

BTC ADDRESS: 12Qwd8VKLQ4xF44ytHXBpCAKuF9VknG4X2
dropt
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July 18, 2014, 03:04:23 PM
 #17284

10 hours later for a good response. I wonder if he already googled it and figured it out on his own.

One can only hope  Smiley
dropt
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July 18, 2014, 03:12:49 PM
 #17285

I
hate
long
blocks


that is all

Well, I'm glad that one is over.
sjc1490
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July 18, 2014, 03:18:42 PM
 #17286

I
hate
long
blocks


that is all

Well, I'm glad that one is over.

Yes!! Let's hope for a couple of back to back quick ones now to get us back on track. We have had a great run of luck lately.

BTC ADDRESS: 12Qwd8VKLQ4xF44ytHXBpCAKuF9VknG4X2
sjc1490
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July 18, 2014, 11:40:02 PM
 #17287

 Angry here we go again... Sad

BTC ADDRESS: 12Qwd8VKLQ4xF44ytHXBpCAKuF9VknG4X2
Bitcoin.Greece
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July 19, 2014, 09:02:17 AM
 #17288

is there anyway to force the pool to set a minimum difficulty for my miner ?
I remember that slush pool use to have that option...

Get a VPN - Protect yourself
BlasterXXL
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July 19, 2014, 03:30:01 PM
 #17289

Hi people, i have a problem
i have a notebook dedicated to mining having 3 USB 2.0 ports, and 5 Antminer U2 units.
when i connect 3 units to 3 ports, i usually get average 4800 MHash/s.
i bought powered USB 2.0 hub, 7 ports, external powered http://www.alza.sk/premiumcord-7-portovy-d235980.htm, i connected 5 units to the hub, cgminer is working, found 5 units, but i get average speed cca 3700 MHash/s or lower, some units (randomly) are working on very low performance
https://lh4.googleusercontent.com/-v8ppzHq_988/U8qKq0L0_nI/AAAAAAAAAbw/EtWuttYREPk/w660-h241-no/Untitled2.jpg.
I get similar results when i connect 2 units directly to the notebook USB and rest 3 to the hub.
Slow unit are changing randomly, very often unit attached to the hub is working on 2GHash. hub is powered by external power supply, internet connection is 10 Mbit/s, notebook is DELL i7 8Giga Ram, CPU usage 0-2%, units are not overclocked (i tried also higher overclocking, result were same), here is connection string
Code:
cgminer.exe --bmsc-options 115200:20 -o stratum.bitcoin.cz:3333 -u *** -p *** --bmsc-freq 0781
what is wrong?
andyjjones
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July 19, 2014, 04:44:32 PM
 #17290

8HRS?!?!  What's with this long-ass block?
Sir Alan
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July 19, 2014, 05:50:53 PM
 #17291

8HRS?!?!  What's with this long-ass block?
That's nothing.  Start worrying when the round gets near 24 hours.

1Eeyore17YeHrbJW5Q3pSdV8sXujkdrrFc
Billbags
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July 19, 2014, 07:54:20 PM
 #17292

Hi people, i have a problem
i have a notebook dedicated to mining having 3 USB 2.0 ports, and 5 Antminer U2 units.
when i connect 3 units to 3 ports, i usually get average 4800 MHash/s.
i bought powered USB 2.0 hub, 7 ports, external powered http://www.alza.sk/premiumcord-7-portovy-d235980.htm, i connected 5 units to the hub, cgminer is working, found 5 units, but i get average speed cca 3700 MHash/s or lower, some units (randomly) are working on very low performance
.
I get similar results when i connect 2 units directly to the notebook USB and rest 3 to the hub.
Slow unit are changing randomly, very often unit attached to the hub is working on 2GHash. hub is powered by external power supply, internet connection is 10 Mbit/s, notebook is DELL i7 8Giga Ram, CPU usage 0-2%, units are not overclocked (i tried also higher overclocking, result were same), here is connection string
Code:
cgminer.exe --bmsc-options 115200:20 -o stratum.bitcoin.cz:3333 -u *** -p *** --bmsc-freq 0781
what is wrong?

You problably don't have enough amps on that usb hub. I'm sure those u2's use at least 500ma a piece so you need at least a 4amp power brick for hub since you only get 500ma out of computer usb 2.0 port itself. I use this one a lot in my rigs

https://www.amazon.com/dp/B00DQFGJR4/ref=cm_sw_r_udp_awd_OUSYtb1AG6DN1E6Y

I would try a larger power brick on the usb hub you have first.

Listen: meat beat manifesto ~ Edge of no control (pt.1)
Read:"He who controls the past controls the future. He who controls the present controls the past." ~ George Orwell
Think: http://unenumerated.blogspot.com/2014/12/the-dawn-of-trustworthy-computing.html
BlasterXXL
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July 19, 2014, 08:37:29 PM
 #17293

ah, thank you man.
quantumDavey
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July 20, 2014, 12:16:47 AM
 #17294

Just had to pop in and say....

I've been reading this thread from very start, now up to page 507 - I think I might write a book about slush's pool and all the developments he made and contributions to the stability of the bitcoin system that he arguably enabled. Anyone tried reading this thread from page one, all the way through, without skipping ?? Certainly, slush is a bitcoin HERO, and he (effectively) did invent the mining pool in it's current form. Of course stratum was a serious leap forward and the collabaration with eleuthria (the operator of one of slush's pools major rivals at the time) helped cement it's future.

EDIT: Fixed some spelling and forgot to name eleuthria for his contribution to many things bitcoin pool wise.

If you've got a few weeks of spare time, I'd recommend reading the whole thread (though the odd bottle of wine helps with some [very tedious] bits).

Oh, and by the way, I'm not really a newby.... just tend to lurk, and so rarely post.
eleuthria
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July 20, 2014, 12:25:08 AM
 #17295

Of course stratum was a serious leap forward and the collaberation with the operator of one of slush's pools major rivals at the time helped cerment it's future.

Just FYI, Stratum wasn't developed with any collaboration.  It was just a coincidence that while Slush was making stratum, BTC Guild (with the help of ArtForz) was also working on ASIC-capable mining protocol changes.  The solution to fixing getwork's inefficiencies was very obvious, and in the end the two different protocols were virtually identical in function, just slightly different in syntax.  The BTC Guild protocol was marginally more efficient (10-30% depending on block size) due to lack of markup, but Slush's was more in-line with other Bitcoin API and protocols by using JSON.  It was wasteful, but it means new implementations of the protocol could use a JSON parsing library instead of writing their own parsers.

BTC Guild ended up supporting Stratum the same night since it only took a few hours to rewrite our new pool code (using the new protocol we had designed) to use Stratum, and Slush had a working stratum<->getwork proxy available already.  It would've taken me longer to write a [unnamed-protocol]<->getwork proxy than it did to just modify my input parser to use the stratum syntax.  Giving up some efficiency wasn't a huge tradeoff, considering both protocols used so little bandwidth that a 14.4k dial-up connection could keep up with it.


EDIT:  Actually, I do recall both of us were aware that the other was working on a solution to mining protocols.  IIRC, slush had been in contact with the poclbm developer, while I had been in contact with conman/ckolivas, the cgminer developer.

R.I.P. BTC Guild, 2011 - 2015.
BTC Guild Forum Thread
xaotikdesigns
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July 20, 2014, 04:27:28 PM
 #17296

When I look at my miner on my account page, it's not showing any activity.  I've been mining for a little while now, and I've got a couple shares submited, but it looks like nothing is happening
xaotikdesigns
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July 20, 2014, 04:46:13 PM
 #17297

OK, disregard my last post, I was using an unsupported miner.  I switched to CGminer, but it looks like I have to have something plugged in to use it?

This is my first time mining, so I'm a litle clueless.  I read through the KB, but I can't really find any other mention of anything having to be plugged in except in the part about setting up CGMiner
Billbags
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July 20, 2014, 04:48:13 PM
 #17298

When I look at my miner on my account page, it's not showing any activity.  I've been mining for a little while now, and I've got a couple shares submited, but it looks like nothing is happening

We are in the middle of a block. Once we start another block you will see the estimated payout go to the unconfirmed payout and after 100 conformations it will go to confirmed payout. Once you reach threshold 0.01, it will send coins. Look at statistics page and follow blocks/conformations.

Listen: meat beat manifesto ~ Edge of no control (pt.1)
Read:"He who controls the past controls the future. He who controls the present controls the past." ~ George Orwell
Think: http://unenumerated.blogspot.com/2014/12/the-dawn-of-trustworthy-computing.html
mstrongbow
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July 20, 2014, 05:02:59 PM
 #17299

OK, disregard my last post, I was using an unsupported miner.  I switched to CGminer, but it looks like I have to have something plugged in to use it?

This is my first time mining, so I'm a litle clueless.  I read through the KB, but I can't really find any other mention of anything having to be plugged in except in the part about setting up CGMiner

What are you trying to mine with? CPU? GPU? USB miner? FPGA?
What OS? What pool?

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conorcccc
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July 20, 2014, 06:03:46 PM
 #17300

http://s17.postimg.org/6lj7uvd3z/Untitled.png

What does 'pool 0 detected new block' mean?
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