Questions tagged [mining-pool-shares]

Shares refers to a method for accounting mining pool contributions. It does not cover company shares.

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19 votes
3 answers
12k views

What is proof-of-work?

Please explain the proof-of-work concept. And how does it relate to Bitcoin mining in general, and to the proofs of work (aka shares) of mining pools?
4 votes
2 answers
2k views

How does the pool know the share hashes are calculated and not cheated?

Miners calculate share hashes and submit them to the pool for their proof of work. And if the share hashes leads to a correct block hash in terms of difficulty, everybody in the pool gets paid ...
0 votes
1 answer
145 views

What's the point for mining pools to set a higher target?

I'm reading the Mastering Bitcoin 10th chapter, and quote Similarly, a mining pool will set a (higher and easier) pool target that will ensure that an individual pool miner can find block header ...
4 votes
1 answer
204 views

How do mining pools ensure pool members don't cheat?

If I understand well, when being part of a pool, you are asking to solve problems that are easier than the real one, typically finding a hash starting with n zeros instead of n+1 or something. And you ...
0 votes
1 answer
290 views

Solo mining: Stratum from pool 0 detected new block at height

I'm using ckpool which is a solo Bitcoin "pool". If I see this message "Stratum from pool 0 detected new block at height" what does that mean in the context of a solo pool? In ...
1 vote
0 answers
821 views

Cant understand how share difficulty affects my chances in solo mining with a pool

So obviously I am not solo mining bitcoin but I think the underlying principles are the same so you guys could help me out here. I am solo mining ergo on a solo pool (herominers solo pool) What I do ...
42 votes
6 answers
238k 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 ...
3 votes
2 answers
646 views

How does the mining pool know our hashrate/our share?

Scenario: Person A: has a good mining rig and run for 24 hours and produces: 1000 mega hashes, but found only 1 share. Person B: has a bad mining rig and run for 24 hours and produces: 1 mega hash, ...
3 votes
1 answer
193 views

How is the proof of work actually proved in the mining pool?

When mining Bitcoin in a mining pool, we share the coin for percentage of the work we have contributed. But how is the work "proved". For example, if the mining software reported "it ...
0 votes
2 answers
766 views

Does the low difficulty for my pool give my miners more guesses per block?

I understand that my chances are better at winning the lottery are better than guessing a block, but humor me please. If I have a pool with 2 miners will my miners offer more "guesses" at ...
0 votes
2 answers
2k views

Why do I see a 'Yay' with a 70% match, and a 'Booo' with a 75% match?

Just what the title states. I'm just a couple of days into this idle CPU utilization thing; I run a CPU miner (x-coin-minerd on a Windows 7 box). Scrolling through the command line output I see ...
1 vote
1 answer
146 views

How do I submit hashes to a stratum URL?

I have block hashes mined from bitcoind. I want to submit it to a pool. How do I do that?
1 vote
1 answer
135 views

Will there be a problem if bdiff and pdiff are slightly different?

Considering bitcoin target is 0x00000000FFFF0000000000000000000000000000000000000000000000000000 and pool target is 0x00000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF. Won't pool miner ...
1 vote
2 answers
988 views

How many zeros must be in a bitcoin share for a pool to accept it?

In the binary representation of the hash. Now the hash should be about 80 zeros. In the share - less, but how much exactly? At the dawn of bitcoin in a share, it was enough to have 32 zeros. Now the ...
1 vote
1 answer
783 views

Does getting shares when mining mean that I have earned a reward? [closed]

So I have 13 Total Shares (Non Rejected) and my pool is Mining Pool Hub. It does not show that I have gained any Ethereum when I go to Dashboard (Under Ethereum) on Mining Pool Hub. Do accepted shares ...
2 votes
2 answers
5k views

Does cpuminer do its work?

I have a question about using cpuminer to mine bitcoins. I know that it's not efficient, but I'm not about making any money from it (obviously), I just want to mine some fractions of a bitcoin. Now, ...
-1 votes
1 answer
2k views

CPUminer minerd output confusion (OLY & crypticpool). How do I get multiple, "yay!!!" in a single block?

I'm a bit confused by the output of my minerd from cpuminer because my understanding is that there is a 3 minute block target time, but somehow I got 4 submitted hashes in less than a minute, and it ...
1 vote
0 answers
254 views

In a mining pool, how do shares counting works with vardiff?

I was reading this very interesting page: https://slushpool.com/help/hashrate-proof/ I read the "How does the mining and hash rate calculation work?" section and with a fixed difficulty for all ...
2 votes
2 answers
26k views

How do I calculate mining profit from shares in Litecoin?

I'm getting around 4 shares a minute (mining at 100Mh/s but I don't mind that much because the number of shares is what actually matters, right?) and since LTC/USD is 2 and it pays 50 LTC for every ...
0 votes
4 answers
9k views

Why to mine with a high difficult on PPLNS

I'm trying poolmining ob btc-guild with the cgminer and try to calculate by testing if it is worth it or not. One thing I wondered is: Why should I want to set a high difficult / not the lowest one, ...
2 votes
1 answer
781 views

Share difficulty and hashrate

Can anybody explain relations and formulas between mining share difficulty, target and hashrate? Thank you.
0 votes
1 answer
49 views

Can a miner not find a share in his work unit?

I understand that a mining pool operator distribute work units at it miners. Is it possible that a miner can find no share in his work unit? If is the case, this mean a miner can work for nothing?
1 vote
1 answer
3k views

Why mining pools miners need to choose their difficulty?

I read this and this. It said: "The traditional method involves assigning members a work unit comprised of a particular range of nonce, the number that blockchain miners are computing for. Once the ...
0 votes
1 answer
342 views

what is preventing me from changing difficulty every submit when pool mining?

If I do pool mining at difficulty=1000 and I find a share with difficulty=2000, I can tell the pool that I was mining at difficulty=2000 and then submit the share. I can earn more in this way. Does ...
43 votes
2 answers
80k 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 votes
3 answers
24k views

How do mining pools work?

I understand the following Pooled mining is a mining approach where multiple generating clients contribute to the generation of a block, and then split the block reward according the ...
5 votes
2 answers
722 views

Miner speed conversion

What is the exact ratio one would use to convert Miner speed from Hashes per second to Shares per second, assuming Difficulty 1 shares?
5 votes
3 answers
73k views

How many shares need to be mined before a block is released?

How many shares need to be processed on average before a block is found? I know that "luck" can be a huge factor which is why it's not quite as simple as that. I ask because I'm starting my own pool ...
1 vote
1 answer
420 views

Not Getting shares but have decent Hashrate [duplicate]

Just signed up and need help.kinda new to bit mining and am using slushes pool with guiminer and cannot get any accepted shares from my Radeon HD 6870 ,it has Hash rate of 200mh/s and 0 shares after ...
1 vote
1 answer
2k views

How might I reduce the percentage of rejected shares using an Avalon 741 with NiceHash?

I have an Avalon741 running on NiceHash with CGminer and I'm new to mining. The command I'm running is as follows: sudo ./cgminer -o stratum+tcp://sha256.eu.nicehash.com:3334 -u <address> -p d=...
-4 votes
2 answers
143 views

Bit coin as equity

Can we use Bit coin as equity for company shares. How do we exchange the bit coin for real money the banks will accept?
5 votes
2 answers
2k views

How does solving reduced difficulty hashes contribute to solving a block? [duplicate]

In pool mining, it's my understanding that miners solve a reduced difficulty hash which proves that work is being done and also simultaneously helps solve a block. How is this computationally ...
1 vote
2 answers
11k views

How do block rewards work with a mining pool?

I understand there are a number of different schemes for sharing rewards. My question is about the block reward itself, and how it's shared. If only one miner (typically a pool) can find a reward, ...
-1 votes
1 answer
592 views

Questions about Bitcoin mining hardware and in pools [closed]

I have recently found out about Bitcoin, and as I read more and found about about hardware and stuff, I thought of a lot of questions. So Butterfly Labs has Bitcoin mining hardware, and I was ...
3 votes
1 answer
470 views

Keeping valid shares for it's own when mining in a pool

How does a mining pool insure that the miner who will find the valid share for the current block will not use it for his solo mining?
0 votes
1 answer
201 views

In order to send more hashes for mining do you need to connect into a bigger mining pool?

After the rate at which you can generate hashes, what determines the rate at which you can send hashes to be checked? I'm guessing connecting into a bigger pool would help spread your load?
1 vote
1 answer
9k views

Why would I have so many rejected shares while mining?

I am mining litecoin with give-me-coins and I have the following info on website's stats section Valid Paid: 118 Invalid (Not Paid): 113 (95.76%) As far as I know this is not very good. How can ...
3 votes
1 answer
12k views

What's the advantage to requesting a higher difficulty when mining?

I've seen pools recommend higher difficulties for higher-speed hardware - what's the benefit (for either the pool or the miner) in doing so?
1 vote
1 answer
7k views

Why doesn't the number of shares in my miner match the number of shares reported by my pool?

It was my understanding that I have found a share, when the miner reports accepted:...(yay). However, the number of shares I'm being credited with in my pool is much lower than the number in the ...
0 votes
1 answer
428 views

Can bitcoin pools set a different difficulty value other than the network difficulty

I would like to know if bitcoin pools can give a different difficulty value other than the network difficulty or is the network difficulty the same for everybody
2 votes
2 answers
3k views

Effects of mining pools paying for stale shares/work

Some mining pools pay for stale shares / proofs of work, and others don't. If a pool pays for stale shares, how does it affect individual miners? What about the pool? Related: What are stale shares ...
4 votes
2 answers
14k views

What is the relationship between hash rate and accepted shares?

Specifically this question is about Litecoin, but I suspect the answer would apply to both. Say you have a rig mining at 700Kh/s (LTC). It seems that you get, more or less, a one or a few accepted ...
4 votes
1 answer
2k views

Why GPU (cgminer) scrypt mining generates so many false-positive nonces?

I understand that GPU might have less accurate results of real numbers because speed/performance is the target. But I don't understand why it also occurred in integer numbers. Taking mining algorithm,...
0 votes
2 answers
7k views

I have over 10,000 shares accepted. How can I find out how much bitcoin that is? [closed]

I have over 10,000 shares accepted. How does that translate to bitcoin? How much bitcoin is 10,000 shares? It says it will transfer to my wallet when I get .01 bitcoin. But so far, nothing in my ...
1 vote
1 answer
79 views

How can a share be 'harder'

I am on a pool that asks you to select a difficulty for your miner. How can some shares be harder than others if they are just a hash?
7 votes
2 answers
17k views

How much is a mining pool share worth on average?

I know that mining pool shares have no value on their own, but it should be possible to find an average value based on the pool's average payout per share. This site describes the expected payout per ...
-1 votes
1 answer
3k views

Bitminter Blocks: why didn't my balance change? [closed]

I recently started mining in BitMinter's Pool. I realized I had 10 proof of works accepted by the server, but my balance didn't change. What am I missing?
3 votes
3 answers
4k views

Does the size of a pool affect the number of invalid shares?

Does the size of a pool affect the number of invalid shares? If so why does it?
0 votes
1 answer
2k views

How long to get an accepted share?

I am very new to bitcoin mining and am unsure if I set up GUIMiner correctly. I have a new MacBook Pro with a discrete graphics card (ATI Radeon R9 M370X) and am getting about 129 Mhash/s according to ...
1 vote
1 answer
5k views

What is the utility in the cgminer statistics

While digging through the API of the cgminer I noticed that there is a value which I could not figure out what it means: the utility. What does it stand for, what are common values and how is it ...