Questions tagged [shares]

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

0
votes
1answer
28 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
1answer
355 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 ...
2
votes
1answer
518 views

Share difficulty and hashrate

Can anybody explain relations and formulas between mining share difficulty, target and hashrate? Thank you.
0
votes
1answer
227 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 ...
1
vote
1answer
997 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 ...
5
votes
2answers
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
2answers
9k 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, ...
-3
votes
2answers
132 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?
1
vote
1answer
1k 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=...
2
votes
1answer
288 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?
1
vote
1answer
314 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 ...
0
votes
1answer
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
1answer
436 views

Buying stocks or bonds with bitcoin [duplicate]

Is it possible to buy stocks online with bitcoin.. the stocks listed on NYSE, NASDAQ and London Stock Exchange among others ?
1
vote
1answer
74 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?
1
vote
1answer
394 views

Antminer U1 running on raspberry pi not accepting shares

I'm new to bitcoin mining and am trying to figure everything out still. My Antminer U1 running on my raspberry pi using cgminer is not accepting any shares, and doesn't appear inside of the mining ...
0
votes
0answers
62 views

How do pools determine a pool-user's hashrate? [duplicate]

How do pools determine a pool-user's hashrate? It seems they would base it on the particular user's difficulty or rate of accepted shares.
2
votes
2answers
3k 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
vote
1answer
3k views

What does DOA stand for?

What does DOA stand for? I've seen this in the context of P2Pool stales, specifically here.
2
votes
1answer
479 views

What is Multi-PPS (Pay Per Share)?

I know the original proposal on bitcointalk is here, but can someone explain it more succinctly? How does Multi-PPS work? Can it actually prevent mining centralization?
2
votes
1answer
152 views

When ASICs generate a share, is it always at difficulty 1?

Are they preset to only return difficulty 1 shares when the find a nonce? Then mining software verifies if it meets current target difficulty? Or, if given a different target difficulty, will the ...
1
vote
1answer
206 views

Accepted shares won't go above 200

I'm new to Bitcoin mining, but I'd like to think I got things set up. I'm using guiminer, on slush's pool. For some reason, my accepted shares won't go above 200. I have no stale shares but my ...
0
votes
2answers
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 ...
0
votes
2answers
5k 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 ...
0
votes
1answer
349 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
1
vote
1answer
1k views

Solving a block and share relationship [pool mining]

I have a somewhat odd question. I am currently pool mining and it is telling me my best share and the difficulty (this is an altcoin but same question applies). My miner is telling me my best share ...
4
votes
1answer
1k 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,...
13
votes
3answers
22k 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 ...
1
vote
1answer
426 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 ...
-1
votes
1answer
567 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 ...
1
vote
1answer
4k views

Understanding Shares in Pool Mining

I just started mining today at Dogechain pool. I wanted to see what mining was like, so I'm only using minerd with my CPU. I don't expect a lot until I get a GPU rig going, but something doesn't seem ...
-1
votes
1answer
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?
4
votes
2answers
12k 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 ...
2
votes
1answer
2k views

What does the Accepted/Rejected mean?

I'm using a Bitcoin Miner on Btc Guild. It's showing 12 Accepted, 0 Rejected. What does that mean?
1
vote
1answer
362 views

CGMiner, share sizes, what does a shares size with a G appended mean, how much larger than a M (million) share is it?

Well I think I can retire mining now, I how produced this huge hash overnight So, I have looked everywhere. How much is a G share in comparison to a M (million) share? There is no logical step from ...
1
vote
1answer
3k views

When mining, all my shares are rejected. Why am I not getting any accepted shares?

This applies for when I mine anything (Litecoins, Dogecoin, etc.) I have a Radeon HD 6670 (mining @ 100 Mh/s according to cgminer) and it isn't overclocked or anything. Kind of puzzled as to why this ...
3
votes
1answer
7k 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?
0
votes
1answer
603 views

Lost mining shares when restarted GUIMiner

I am new to BTC mining, even totally new to bitcoins. I closed and restarted my GUIMiner and all my bitcoin shares were gone. What am I doing wrong? Is there a way to persist these shares across ...
1
vote
1answer
8k 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 ...
9
votes
1answer
35k views

What does “accepted shares” mean?

I am running GUIMiner and Triplemining server. I currently have just under 100 "shares" accepted. What does this mean? What are accepted shares used for? How do accepted shares relate to "blocks"? ...
3
votes
2answers
8k views

Shares accepted vs hash rates?

I recently started mining LTCs, and because Im using a Nvidia card (GTX 650Ti) I have been trying out different settings in order to maximize efficiency with the hash rates. I have noticed though ...
0
votes
1answer
196 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?
2
votes
1answer
10k views

What is a “share rate”?

What is a "share rate" one can find in a mining pool dashboard? I understand what a hash-rate is, and how that applies to myself (miner), as well as to the pool or the network. I also understand to ...
2
votes
1answer
1k views

p2pool: Is it setup correctly? “???” in efficiency

I have configured p2pool, bitcoind and bfgminer for mining, and everything appears to be working normally (i.e., no errors are reported). However, I've been mining for over three days already at 2GH/...
0
votes
1answer
586 views

Can a miner's hashrate be derived from shares submitted at a given difficulty? [duplicate]

Trying to generate useful stats about client activity in a pool. If a quantity of submitted (timestamped) shares is known, and the difficulty of each share is known, how can the client's aggregate ...
5
votes
2answers
1k views

Why would a miner mine with a difficulty other than 'the' difficulty?

Why would a miner mine with a difficulty other than the network difficulty? Both of these questions describe miners mining in such a way. What's the benefit of this? What even does it mean?
1
vote
1answer
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 ...
2
votes
2answers
22k 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 ...
5
votes
1answer
3k views

Cheating on pooled mining

What is stopping me from hacking the mining software such that if I do happen to get the right hash I keep it for myself, but if not then I just submit my work done and get my share of the mined ...
5
votes
3answers
56k 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 ...
4
votes
1answer
403 views

How does a share help in the discovery of a new block?

https://en.bitcoin.it/wiki/Pooled_mining: A share is awarded by the mining pool to the clients who present a valid proof of work of the same type as the proof of work that is used for creating blocks,...