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Author Topic: [1500 TH] p2pool: Decentralized, DoS-resistant, Hop-Proof pool  (Read 2031466 times)
Aseras
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June 05, 2012, 01:17:35 PM
 #2541

I guess the biggest problem is that people believe that luck actually has something to do with it ...

90% of the problems humanity has is because someone believes in something that may or may not have anything to really do with the problem at hand.
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stevegee58
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June 05, 2012, 01:27:18 PM
 #2542

Quantum physics says that obresvation of experiment can change it resoult.
If we will talk much about L it will fly away, like it always do Tongue

You must have been a business major in college.  Heisenberg's Uncertainty Principle does not apply to normal everyday situations, only to quantum processes at the subatomic level.

Talking about "luck" or looking at block solution times or commenting about them on message boards has no effect on future outcomes.  You're simply engaging in "magical thinking".

You are in a maze of twisty little passages, all alike.
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June 05, 2012, 01:49:08 PM
 #2543

Flaw in pool luck calculations?
"The list below includes all known p2pool blocks. Orphaned blocks appear with strikethrough. Note: The list below may not include all orphaned blocks due to limitations in how the bitcoin client reports them."
See this:
http://blockchain.info/blocks/P2Pool
We have orphaned block 183088 that is not shown on http://p2pool.info/ site.
As s1 said b4 all good and orphaned blocks should be counted to pool luck. If we not see all of them there maybe they are not count? And thats why our long term pool luck looks bad in statistics?

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June 05, 2012, 02:06:06 PM
 #2544

Did you guys see the current pool stats on bitcoinwatch.com?



p2pool third, deepbit seventh and almost out of the graph! :-D

Ente

[yes, this is found blocks, not "real" hashrate]
Aseras
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June 05, 2012, 02:18:26 PM
 #2545

everyone else gets orphans too.

The problem is if you split your rig and half mined p2pool and half mined on a normal PPS pool, the p2pool half would mine significantly less over time.

some days p2pool is awesome and some days it's bad that's normal variance. The problem is long term it doesn't catch up.
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June 05, 2012, 02:34:48 PM
 #2546

Did you guys see the current pool stats on bitcoinwatch.com?



p2pool third, deepbit seventh and almost out of the graph! :-D

Ente

[yes, this is found blocks, not "real" hashrate]

Thats is less than 50% of deepbit's actual found blocks, blockinfo is just not listing all deepbit under deepbit.

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June 05, 2012, 03:55:18 PM
 #2547

The amount of time it takes to solve a block is bounded by a normal distribution.

Well... not exactly. Wink

A duration time T can *never* be normally distributed, since T can't be zero nor less than zero.

We can better say that the number of trials it takes to solve a block is geometrically distributed:
http://en.wikipedia.org/wiki/Geometric_distribution.

The amount of time required by the solution is the product of the amount of time required by each trial (which in ideal conditions is the same for every given mining device) times the number of trials: so it's also geometrically distributed. We call this geometric distribution "the distribution of the population".

However we can take a different approach: we will run a mining device and write down how much it will take to solve the first block, than the second block, than the third (always with the same difficulty, of course) and so on N times. At the end we will get a set of N values (N durations), but for now we don't have any values, we have a set of... N random variables with the same geometrical distribution of the population! This set of random variables is called "a sample". Smiley

Let's sum these random variables, and then divide the sum by their number, N. We get another random variable: the "sample mean". We don't have any number yet, just variables.

Being the "sample mean" a sum of random variables (identically distributed), we can apply to it the central limit theorem: http://en.wikipedia.org/wiki/Central_limit_theorem.

So a "sample mean" (regardless of its population) is always asymptotically bounded by a normal distribution (in practice, and in the worst case, 50 observations are more than enough).

The "sample mean" expected value is the same of the population, and its variance is the population variance divided by N.

I'm sure you know it all, but maybe someone was confused.

HTH.

--
Bye
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June 05, 2012, 04:05:47 PM
 #2548

I'm sure you know it all, but maybe someone was confused.

HTH.

The force is strong with this one.

You are in a maze of twisty little passages, all alike.
Graet
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June 05, 2012, 04:54:59 PM
 #2549

Did you guys see the current pool stats on bitcoinwatch.com?



p2pool third, deepbit seventh and almost out of the graph! :-D

Ente

[yes, this is found blocks, not "real" hashrate]

Thats is less than 50% of deepbit's actual found blocks, blockinfo is just not listing all deepbit under deepbit.
this ^^^
blockchain.info is notoriously inaccurate - even tho the picture is pretty Smiley
plus http://blockorigin.pfoe.be/top.php is actually accurate over 2016 blocks, was put together by kinlo Smiley

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June 05, 2012, 09:01:50 PM
 #2550

blockchain.info counts orphans as well.

I love the site, but seeing my balance on addresses include orphan shares drives me insane sometimes.
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June 06, 2012, 02:33:25 AM
 #2551

we need some of the bigger pools to support p2pool
Luke-Jr
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June 06, 2012, 02:54:53 AM
 #2552

we need some of the bigger pools to support p2pool
Rather, the bigger pools should support decentralized mining. p2pool is just another competing pool Wink

Today, decentralized mining is supported by (in order of when supported) BitPenny, p2pool, Eligius, TripleMining, and maybe EclipseMC.

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June 06, 2012, 02:56:40 AM
 #2553

we need some of the bigger pools to support p2pool
Rather, the bigger pools should support decentralized mining. p2pool is just another competing pool Wink

Today, decentralized mining is supported by (in order of when supported) BitPenny, p2pool, Eligius, TripleMining, and maybe EclipseMC.
I don't like your definition of decentralized. I think you should align it more with what is achieved in practice with p2pool, and indeed with bitcoin itself, and then make whatever statements you have to say.

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June 06, 2012, 03:21:30 AM
 #2554

we need some of the bigger pools to support p2pool
Rather, the bigger pools should support decentralized mining. p2pool is just another competing pool Wink

Today, decentralized mining is supported by (in order of when supported) BitPenny, p2pool, Eligius, TripleMining, and maybe EclipseMC.
I don't like your definition of decentralized. I think you should align it more with what is achieved in practice with p2pool, and indeed with bitcoin itself, and then make whatever statements you have to say.
p2pool is no more decentralized than the others, except in useless or even bad ways.

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June 06, 2012, 03:23:44 AM
 #2555

we need some of the bigger pools to support p2pool
Rather, the bigger pools should support decentralized mining. p2pool is just another competing pool Wink

Today, decentralized mining is supported by (in order of when supported) BitPenny, p2pool, Eligius, TripleMining, and maybe EclipseMC.
I don't like your definition of decentralized. I think you should align it more with what is achieved in practice with p2pool, and indeed with bitcoin itself, and then make whatever statements you have to say.
p2pool is no more decentralized than the others, except in useless or even bad ways.
Prove it by substantially disrupting it in such a way that it can no longer function, and then I will believe you. Otherwise, provide suggestions for improvement.

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kano
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June 06, 2012, 04:02:23 AM
 #2556

...
Prove it by substantially disrupting it in such a way that it can no longer function, and then I will believe you. Otherwise, provide suggestions for improvement.
You do realise you are wasting your time arguing with him?
Luke will simply have some bizarre definition of "decentralized mining" that differs from everyone's typical understanding of the words and then use that as his excuse for being correct.
It is the sort of crap he does regularly and it is pointless taking any notice of most of what he says.

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June 06, 2012, 06:32:08 AM
 #2557

Today, decentralized mining is supported by (in order of when supported) BitPenny, p2pool, Eligius, TripleMining, and maybe EclipseMC.
p2pool is ONE and ONLY true decentralized p2p pool. Rest of them depends on server!
IE Bitpenny fail over is to... solo mining when server is unavailable!

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Ente
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June 06, 2012, 07:23:31 AM
 #2558

p2pool is ONE and ONLY true decentralized p2p pool. Rest of them depends on server!
IE Bitpenny fail over is to... solo mining when server is unavailable!

But then, solo mining may be better than poolmining to begin with! :-)
Bitcoin-network-health-wise, that is.

Ente
stevegee58
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June 06, 2012, 10:16:47 AM
 #2559

Plus I get to see Mined coins in my wallet instead of Received coins.  For some reason they just seem shinier to me. Cool

You are in a maze of twisty little passages, all alike.
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June 06, 2012, 10:36:32 AM
 #2560

Plus I get to see Mined coins in my wallet instead of Received coins.  For some reason they just seem shinier to me. Cool

..the most anonymous coins you can get, too!

Ente
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