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2answers
96 views

Will more hashes per second increase bitcoins per hash per second?

I read this article: We have paid 0.034 BTC for the 10 GH/s ... Yesterday we have received our first daily payout and it was exactly 0.00041279 BTC ... Doing a quick calculation has shown that ...
2
votes
2answers
26 views

Can too big hosted mining service be mitigated by allowing customers to choose mining pool?

Let's say a company is hosting mining hardware, either hosting customers' hardware or renting out the hashes produced by hardware owned by the company, or both. So the company is physically ...
1
vote
2answers
59 views

How much hashpower is needed to double-spend? Is >50% a minimum?

How much hashpower is needed to double-spend coins? Some worry only about one entity getting over 50% of the hashpower, while others are complaining (at the time of writing) about an entity having ...
0
votes
1answer
419 views

How to calculate the minum recommended hashrate for p2pool network?

I'm trying to add the current minimum required hashrate for miners on my p2pool frontend. I've seen such calculation for the litecoin network here. For litecoin with quite a high p2pool rate and a ...
1
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2answers
72 views

Difficulty Trends [closed]

As the hash power of the network continues to grow, should we expect to see a % of miners drop off because of unfavorable returns? Thus, causing the difficulty to plateau or even decrease at a certain ...
1
vote
3answers
97 views

Is it theoretically possible to limit the hash rate?

I am thinking of developing an altcoin that is truly asic/pool proof. I haven't tried yet (or even downloaded the source code), but I was wondering if it is possible for the network to behave in such ...
2
votes
2answers
902 views

What does the mining difficulty number really mean?

I'm new to bitcoin; please bear with me. I'm looking into mining, how it works, and how to get started. I see a "mining difficulty" from many sources and list a 3 billion something number without ...
0
votes
2answers
112 views

How to tell who mined a bitcoin?

If bitcoin algorithm was broken and some one started spitting out blocks one after the other through their other worldly space computer, could it be detected that the same miner was busting all the ...
2
votes
4answers
2k views

Do PCI USB risers lower the hashing rate?

I have a PCI USB riser like this one: I have 2 identical video cards with one plugged directly into the motherboard and one plugged in via the PCI riser. I am seeing a hash rate of 290 KH/s on the ...
-1
votes
1answer
61 views

Please help, stuck at static 24Mhash/s? [duplicate]

I'm fairly new to mining bitcoin, but I have read that using GPU can help improve performance. I currently am using GUIMiner (latest version) running on an OpenCL back-end but when I choose to use my ...
1
vote
1answer
227 views

What would happen if 90% of the Bitcoin miners suddenly stopped mining?

What would happen if 90% of the Bitcoin miners were to suddenly stop mining Bitcoin, i.e. the Bitcoin network's hashing power would drop to 10% of the previous amount. Would it become more difficult ...
2
votes
0answers
150 views

Has the Bitcoin network surpassed the total computing capacity of all the general purpose computers in the world?

I would estimate there are roughly 2 billion computers in the world, with an average hashrate of 10 MegaHash. That equals to 20,000 TerraHash or about 20 PetaHash. The Bitcoin network is around 20 ...
8
votes
1answer
283 views

What is the approximate hashrate of a human?

Which and how much mathematical operations are required for the blockheader-to-blockhash operation and how fast would a human be able to calculate a single hash? EDIT: For simplicity, I think it's a ...
-1
votes
2answers
2k views

High Hashing Power: Okay to solo mine? [duplicate]

I plan to hash at around 250-550 gH/s, would it be profitable to mine solo, or would I make more money joining a pool? Are there any unexpected occurrences that I should look out for when mining?
1
vote
2answers
1k views

can I improve LTC mining on this GPU?

I use CGMiner(unless there's a better one) on an AMD Radeon HD 8570D. it gets 22-23kh/s but most times I see people mentioning their graphics producing multiple megahashes. do I just have the wrong ...
5
votes
2answers
145 views

Has anyone ever gain control of the blockchain?

I've heard discussion that if you have 51% "hash power" you can effectively accept or reject any changes to the blockchain (and therefore create undeserved gain for yourself) -- my question is - has ...
0
votes
1answer
388 views

What is the algorithm to create a Bitcoin mining calculator?

I want to know how I can calculate the profit of bitcoin mining in bitcoins. I am interested in the formula that is used by calculators. For example lets say I have 700mh/s hashrate, current ...
0
votes
1answer
9k views

How to test your Litecoin mining hash rate?

I don't know if there exists a service to quickly check what your mining hash rate is for Litecoin as the following does for Bitcoin http://bitminter.com/test I'm looking for something that doesn't ...
0
votes
3answers
1k views

How to calculate Hashes per Second

How exactly do you calculate how many hashes your hardware is generating?
0
votes
0answers
9 views

Algorithm to figure out Bitcoins mined / day based on # of Ghash / sec, difficulty, etc [duplicate]

I know that there are Bitcoin mining Calculators, but I am looking for an actual algorithm that can be used to calculate how many bitcoins I could get in a given day based on GHashs / second ...
0
votes
2answers
475 views

How can I calculate network hashrate for a given range of blocks where difficulty changes somewhere within the range?

Not sure if the title is poorly worded, but here's what I'm looking to do. If I have a range of blocks and I want to calculate the hashrate, I can do something similar to what is found here. To take ...
1
vote
1answer
400 views

Is there a site (or formula) that easily calculates returns using difficulty / hash rate? [duplicate]

I'm just a novelty miner, looking to be cool and do my part to decentralize. Not looking for a return on my investment. However if I'm going to spend $100 or so I'd like to calculate how my options ...
0
votes
0answers
1k views

All of a sudden hashrate drops to half the normal

I usually get a nice 200 Mh/s out of my XFX 6770 clocked at 950 MHz / 300 MHz. Sometimes I'll check cgminer and see the hashrate has dropped to around 90Mh/s while temperature of the GPU dropped to a ...
2
votes
2answers
17k views

Litecoin difficulty is very low!

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
5answers
14k views

Mining pool hashrate effect on a miner's income

Newbie miners have many misconceptions about how the hashrate of the pool they mine in will affect their mining income. If a big miner joins the pool there are some unhappy miners who think that now ...
3
votes
2answers
407 views

Hashrate falls by factor of 1000x when now block is found?

Very often my mining hashrate falls from the usual ~550 Mhash/s to about 400-500 khash/s, and I have noticed direct correlation in time with messages like these: btcguild.com:8332 25/04/2013 ...
3
votes
1answer
248 views

Is it more efficient to use multiple computers when I have multiple GPUs?

I have 4 video cards: 2x 7970 & 2x 6970. This is a question of efficiency regarding MH/s. Simply, I would like to know which is better: ~1900 MH/s on one machine ~1200 MH/s and ~700 MH/s on ...
1
vote
2answers
140 views

How long does it take to go from 51% hash power to 100% hash power?

Once an attacker has acquired 51% hash power, is it possible to quickly get to 100% hash power by simply refusing to build on blocks created by other mining nodes and therefore discouraging mining ...
0
votes
2answers
2k views

Solo mining requirement to win a block everyday?

What's the hash power requirements to solo mine and win at least one block a day? Two cases (with 10% luck, means mining requires to iterate 90% of unsuccessful hashes), Mine 24 hours a day and ...
1
vote
1answer
128 views

Feasibility of a “High horsepower” attack (based on difficulty -4x adjustments)

This is really Part 3 of this earlier question. Given that the QT client is hard coded to never adjust difficulty more (or less than) a factor of 4... What realistic scenario would cause the ...
2
votes
2answers
962 views

How much ASIC power has been, or is being, shipped in 2013?

Where can I verify how much ASIC mining power has been shipped, how much has been pre-ordered, when it will be shipped, and at what rates and time frames more units will be shipped?
0
votes
1answer
450 views

Are there numbers on how many pre-orders (or total GH/s) ButterflyLabs already received?

The whole Bitcoin world is waiting for ButterflyLabs' entree in the mining scene. Their promised products are quite revolutionary and so they can cause great fluctuations in the BTC price when they ...
2
votes
3answers
698 views

Is the minimum amount of money required to purchase >50% hash power equal to max worth of all existing bitcoins?

20 BFL Bitforce Mini Rigs (each, $30k) will give about 30THash/Sec hash power for $600k. That's way above 60% of hash power of then total 51THash/Sec. 10.694M total Bitcoin * $18.5 current mtgox best ...
5
votes
3answers
441 views

Bitcoin inflation in 9/12 doesn't seem to have been corrected. Why not and will it be fixed?

I'm looking at the Total Bitcoins in Circulation graph and don't understand why there is a spike of coins being generated in Sept '12. What caused this to happen? Also, since there is a fixed ...
3
votes
2answers
333 views

Tracking Hash/sec of major pools and individual (solo) miners

I'd like to get a list of the hash power of the major pools, solo miners, and if applicable undocumented hash networks. How can I obtain this information? If this information already exists, how did ...
2
votes
1answer
2k views

(litecoin) High hashrate but low amount of submitted shares in solo

I'm playing around with litecoin mining and have been mining at a pool but decided to mine solo using cgminer. When I mine at pools the amount of shares submitted to the pool sinks dramatically when ...
3
votes
2answers
288 views

If the computer calculation rate becomes 100x faster, would the value of bitcoin drop to 1% of the previous value?

This is my main concern, but are there any other design flaws with Bitcoin?
4
votes
1answer
174 views

Does variability of block solution time change as difficulty increases?

We know that the expected average time to solve a block from any given point in time is 10 minutes when the network hash rate matches the current difficulty. However, as difficulty increases are we ...
6
votes
1answer
393 views

How do mining pools figure out the hashing speed of the connected miners?

How do mining pools figure out the hashing speed of the miners connected to it?
2
votes
2answers
401 views

What can a pool operator do with their miners' hashpower?

This issue came up in this question - Are the miners concerned with what the pool operators do with their hashpower?. What can a pool operator do with their miners' hashpower?
14
votes
2answers
899 views

What happens if hash rate decreases rapidly?

Since difficulty is only adjusted every 2016 blocks, what would happen if hash rate was to decrease rapidly? Wouldn't this cause blocks to be created less frequently and also making the time until ...