Questions tagged [mining-pools]

This tag should be used for questions referring to mining pools. A mining pool is a way of sharing the work needed to find a block. Miners are rewarded in proportion to the amount of computing power they contribute to the problem, with various ways of calculating returns.

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7
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2answers
605 views

Which is better back-end mining pool?

So far I've seen Pushpool, PoolServerJ and P2Pool. Which one of this would be easiest to set-up, maintain, effectiveness, and overall security?
3
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1answer
248 views

Which operating system would work best with pushpool?

Which operating system would be best for pushpool?
4
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1answer
107 views

Are there any mining pools that allow a specified amount of bitcoins to be sent to a chosen address?

This would be like using a pool as a wallet service, as you could send a subset of your balance to a retailer to purchase something and avoid running the Bitcoin client app. Most pools only pay out ...
11
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3answers
16k views

CPU Mining with a large EC2 cluster - worth the effort? [duplicate]

I'm relatively new to Bitcoin, and am playing around with pool mining for fun. I have access to a fair amount of EC2 instances - c1.mediums - between 30 and 50 on a given day. I already have the '...
12
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1answer
3k views

Why do namecoins have any value?

Many Bitcoin mining pools offer merged mining with Namecoin, and there are places where one can buy and sell BTC for NMC and the other way around. But, why would anyone want to own NMC? As far as I ...
10
votes
2answers
14k views

How to choose the most profitable pool?

Say I have a moderate amount of hashing power and I want to maximize my profit by using the pool that would give the best rewards for mining with them, what should I look at when choosing a pool?
11
votes
2answers
2k views

Mining pool performance optimization

What are the main components one should focus on when trying to maximize a mining pool's performance? Assuming the code is pretty optimal (there aren't any inefficiencies), what should a pool owner ...
4
votes
1answer
3k views

Mining pool hardware and bandwidth requirements

Has anyone measured what are the hardware and bandwidth requirements to run a mining pool? Are there any statistics on that per amount of active miners, their hashspeed and other variables?
3
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3answers
7k views

How can I participate in a mining pool that is mining Litecoins?

To date I've only participated in mining GPU-optimised crypto currencies. I wondered what happens when I pointed my GPU miner to a Litecoin mining pool worker, Litecoin being designed to be optimised ...
9
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3answers
3k views

Pool Hopping Math

It's been discussed and argued at great length whether pool hopping is ethical, but there is no debate about whether it works - I even have some first hand experience that says it increases mining ...
9
votes
2answers
49k views

What options are there to combine mining over multiple computers?

Assuming you have multiple (30+) computers, what options are there available to do a distributed solo-mine? Can I have them all checking into one bitcoin application over the network, or do I need to ...
10
votes
2answers
326 views

What are acausal blocks?

In this forum post the poster (2112) writes: It is my understanding that at least Eligius pool isn't a "honest node" and intentionally produces acausal blocks (or at least as close to ...
7
votes
2answers
1k views

Can an SMPPS (Shared Maximum Pay Per Share) pool be hopped?

I've looked at the way SMPPS (Shared Maximum Pay Per Share) payout schemes work, and as far as I can tell, there is no significant way to hop such a pool to advantage. Yet I've seen several people ...
43
votes
2answers
77k views

What is a share? Can I find it while mining solo, or only when pool mining?

In mining, what is "a share"? When mining solo, do I "find shares"?
16
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1answer
5k views

What is NTime rolling/nonce range? And what miners support it?

From Slush's pool's homepage: Pool now supports Long polling and NTime rolling. Older miners have many problems with those new features, which can negatively affect your rewards. Please update your ...
41
votes
6answers
224k views

What are stale shares and what can I do to avoid them?

When I mine at a pool, only a part of my shares are accepted. There is a small percentage which is marked as stale. As far as I know I only get paid for accepted shares, so what are these stale ...
5
votes
2answers
7k views

Port forwarding for pooled mining?

It does not seem to be necessary but does it help to use port forwarding for pooled mining? I mean forwarding the same port as the pool port on the incoming side of my router to the rig.
9
votes
3answers
3k views

How do I keep my miners from doing duplicate work?

Someone has n machines to mine for bitcoins. What's the simplest way to ensure that mining work isn't duplicated? (Will separate machines naturally work on different hashes even with the same ...
42
votes
4answers
7k views

How is block-solution-withholding a threat to mining pools?

If I understand the technical process (for most mining pools) correctly, a participant in a mining pool is given block data to combine with a nonce to try to solve the block. If they get close (but ...
6
votes
1answer
3k views

What is the standard protocol for pools/miners?

The Bitcoin client protocol is well documented in the Bitcoin Wiki, but I can't find much on the protocol used by pools and miners. Is it described anywhere?
19
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4answers
41k views

Solo Mining vs Pool Mining for users with high computing power

Let's say that a user has a decent amount of computing power. At the current difficulty of 1777774.4820015, he could have for example 10Gh/s (he would earn around 5 BTC per day according to a ...
11
votes
2answers
609 views

What are the problems with naive pool sharing mechanisms?

@David's comment on this answer suggests that naive approaches to mining pool management don't work. What attacks are possible on such naive approaches, such as every miner gets a share proportional ...
25
votes
1answer
28k views

How can I start my own mining pool?

Is there some relatively simple (and preferably free/open-source) solution for starting my own mining pool? How close to "turnkey" would such a solution be and with pool operators mostly running at 0% ...
9
votes
3answers
3k views

Where can I find a graph of the current size of mining pools?

Where can I find a graph of the estimated size of each mining pool relative to the overall hashrate of the entire bitcoin network?
18
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3answers
34k views

What is a good mining pool/payout model for infrequent mining?

I usually mine only, when I do stuff using my PC so it is on anyway. So far I used Slushs Pool but they have a score based reward system, which seem to punish casual mining. If a long round ends >15 ...
36
votes
1answer
37k views

What are the bandwidth requirements of a mining rig?

How much bandwidth consumption can I expect per 900 Mhash/s rig (for instance) for both pooled and solo scenarios? I'm looking for a ballpark number for the on going requirements, after the initial ...
33
votes
2answers
3k views

Do mining pools centralize the Bitcoin network and make it less secure?

A mining pool with a significant percentage of the hash rate could allow double spend attacks by the pool manager. There are a number of pools that approach this level. However, most people say that a ...
9
votes
1answer
602 views

How do I find the hash "market share" of P2Pool?

P2Pool is a peer to peer mining pool, offering some advantages over centralized pools: There is no central node to take down (assuming the pool is indeed fully decentralized). Pools have suffered ...
17
votes
5answers
4k views

How can P2Pool charge a fee?

P2Pool is an open source peer to peer mining pool. It currently charges a fee of 0.5%. Is it possible to just fork P2Pool protocol and eliminate the fee? Has this been done? If so, how can P2Pool ...
14
votes
3answers
1k views

Eligius pool and 'generated' bitcoins

I mine at Eligius pool and sometimes a new transaction appears in my bitcoin client labeled 'Generated'. Why does this happen? Do I also get these 'Generated' bitcoins if I use an e-wallet's address ...
16
votes
1answer
3k views

What is a Mining Pool, what is it good for?

What advantages / disadvantages does it offer over solo mining?
20
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4answers
8k views

How can one embed custom data in block headers?

Some mining pool admins put custom data in block headers, like prayers. How do they do that? Where can I see that data for myself?

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