Mining is the process of securing transactions and committing them into the Bitcoin public chain

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i would like to know how long it will take me to mine 1 bitcoin with a 12 th/s mining rig [duplicate]

I am going to start mining bitcoin. I plan to use 6 antminer s4. that would give me 12 th/s. with this set up how long would it take me to mine one bitcoin?
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How often does a block have only one transaction?

I was looking at blocks on blockchain.info, and came across this one with only one transaction in it: (the mining reward one) ...
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Asus R9 270x mining 24/7 setup

I'm using Asus R9270X-DC2T-2GD5 for mining and the temps remain stable at 68C or below even with 99% GPU load for hours. Stock cooling with my Cooler Master CM 690 II case with positive air flow. I ...
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38 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 ...
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When does the “reject” string have an empty reject reason upon submitting a new block?

I submitted a new block using the rpc command submit. And I just got a "reject" string without a reject reason. I checked the bitcoind source code, and found that it usually sends a reject reason; ...
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Can cgminer set different voltages / speeds for multiple HEX4M miners?

The problem: I have 3 HEX4M Bitcoin miners. 2 of these miners are from a batch that lets the chips run at 810mV / 1024 MHz and achieve 390 / 400 GHs. The third HEX4M miner however is from a second ...
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How often do miners update their block transaction list?

Assuming an interval where no block is found, do we know how often the typical miner updates his block transaction list with new transactions from the mempool? I found a reference which suggests that ...
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Why does the bitcoin mining code have the same if statement twice?

From the v0.9.3 miner.cpp source (https://github.com/bitcoin/bitcoin/blob/v0.9.3/src/miner.cpp#L598-L604): if (GetTimeMillis() - nHPSTimerStart > 4000) { static CCriticalSection cs; { ...
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What coin could I mine with CPU now-a-days? [closed]

I have computer where I have only CPU and don't need to pay for energy. What kind of virtual currency should I mine?
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91 views

Can I mine bitcoin without damaging my hardware?

I have a 900w gold certified power supply, an AMD fx 6350 @ 4.39ghz, a nvidia gt 630 2gb GPU with a fan and 8GB DDR3 RAM at 1600MHz. I'm wondering what mining for about 8 hours a day would do to my ...
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98 views

How do I start mining?

I have only known about Bitcoin for maybe a month now. I don't know what I need to start mining, but I had these two programs that were said to be needed for the Bitcoins. I deleted these programs ...
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Explain this comment on nNonce from the bitcoin miner.cpp source?

This comment is in the 0.9.3 miner.cpp bitcoin source, right above the ScanHash_CryptoPP definition. // // ScanHash scans nonces looking for a hash with at least some zero bits. // It operates on ...
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Has the nonce used in mining been sized?

In the mining process, everytime a block has to be confirmed, a certain hash with an incremental nonce is generated: now my question is: if the nonce is a 32 bit number it can assume a value between 0 ...
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115 views

How to fork an Altcoin Which has 0 Reward Block to continue mining after the LAST POW BLOCK

Im trying to learn how is it possible to Hard Fork an Altcoin Blockchain to Continue the Mining Phase after the LAST POW BLOCK. The Block Reward is already 0 and the LAST POW stops at Block 8000. And ...
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107 views

I have free energy; good idea to mine BTC/LTC?

I don't need to pay for power to my computer. Is it a good idea to mine LTC or BTC on Intel Core Duo processor? My CPU is 2 x 2.6GHz (computer woks 24/7)
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Why does the default miner implementation use pay-to-pubkey?

Looking at the v0.9.3 source in miner.cpp: CBlockTemplate* CreateNewBlockWithKey(CReserveKey& reservekey) { CPubKey pubkey; if (!reservekey.GetReservedKey(pubkey)) return NULL; ...
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Why does the daemon require peers in order to start mining?

I wanted to start mining bitcoin from the genesis block, so I cloned bitcoin and removed the checkpoints. Then I compiled and started up the daemon. I wasn't connected to any other peers, however, so ...
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Splitting hashpower over multiple pools

Is it possible to split the mining hashpower of a rented mining rig over multiple pools simultaneously? Say, I rent a scrypt mining power of 5 Mh/s. What I want to do is point that rig to a stratum ...
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61 views

How do I set up GUIMiner to use my cpu?

I'm using GUIMiner. It's not using my CPU. My CPU is at a very low utilization (~10%). What I can do to use my CPU? Why isn't CPU mining turned on by default?
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Why don't any of the SHA-256 vulnerabilities matter for mining?

Wikipedia lists several vulnerabilities in SHA-256. Presumably, none of them can be used to mine faster, or it would be done already. Why don't these vulnerabilities lead to a problem for mining?
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67 views

What's the minimum setup to mine a block alone? [on hold]

What's the minimum setup that you guys know, that can, today, mine at least 1 block alone, without the use of mining pools? I know I wouldn't be able to afford it, but just by curiosity...
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332 views

Is mining an instant process or it generates fraction of coins constantly?

There are hashing calculators in the internet that tells the average amount of bitcoin you'll make in a period of time. I know that when you generate a block you gain 25 BTC (I guess it is still the ...
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Mining on Pegged Side Chains

How would mining, theoretically, work in Pegged Side chains? If mining can be done on these side chains, then it seems like too many coins could be created. And once they were used in transactions, ...
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66 views

External GPU for mining

Of course, there are lots of ASICs out there with exponentially more hashing power. But I'm not yet ready to invest and dedicate to one coin. Is there a mining solution in which one can set up an ...
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Compile CudaMiner from source from the github page

I'm just being paranoid, but how do you compile cudaminer (https://github.com/cbuchner1/CudaMiner) from source? I'm on windows 7 64bit. Or where is a reliable site that I can download a precomipiled ...
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What is the latest and easiest to following guide to multipool mining with a Nvidia Geforce GT 730M?

I have a built in graphics card on my thinkpad Geforce GT 730M, I know its not all that great, but I'm usually on this thing at work for at least 8 hours a day. I want to be able to at least monetize ...
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Does bitcoin-qt support mining in a pool?

I am having difficulty getting guiminer to share a pool with me but if I mine on bitcoin-qt -gen 1 it starts hashing straight away. So I'd like to know if the official bitcoin client supports pooling? ...
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Bitmain Antminer S2 Bitcoin Miner Stopped Booting - How to get it to boot up again?

I have a S2 Antminer since April 2014, and has been on for 6 months and stopped working recently (oct-2014). I can turn it on and it shows power, but the LCD is blank and when opening the cover to see ...
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35 views

GUIMiner not moving from 'Connecting…'

I've setup bitcoin core, guiminer on my windows 7 intel i7 laptop just to see how things work. As there's no dedicated graphics card I just installed the OpenCL driver for the CPU, joined slush's pool ...
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How do I join a NXT mining forging pool? And how do I register for payouts from the pool?

I found the following pool: http://pool.nxtcrypto.org/howto.html But I'm a bit unclear on these instructions: To claim your earnings, simply send an AM (can be empty or put whatever you want in ...
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Altering a block after generating it

Once a miner has found a block, how easy it is for him to add or remove a tx included in that very block? Would he have to solve the modified block from the scratch or is there a point he can resume ...
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Will 64-bit miners work on 32-bit machines?

I want to distribute some miners, but I prefer not to distribute 2 versions of everything (32-bit and 64-bit). According to Microsoft, most 32-bit programs run on 64-bit systems. I'm not concerned ...
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Could a modified miner send a transaction and broadcast it immediately upon discovery of a block to claim a new block and the 25 BTC block reward? [closed]

Could a person hack their miner to simply submit small transaction as soon as a block is found and to submit that as a new block with the 1 transaction to reap the 25 BTC block reward? Say, sending ...
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What / Who is the Bitcoin mining-power useful to?

I searched the internet to find out who (or what) was taking advantage of the result of mining but i couldn't find a clear and complete answer (and sources). I know Bitcoin miners decrypt hashes, ...
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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 ...
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How Satoshi managed to mine so much bitcoins beign the first user of the system? [duplicate]

I'm just learning Bitcoin and if I understand it's conception properly, mining of bitcoins means validation of transactions by computing hash which should satisfy some preset condition. In other ...
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128 views

Is multi-PPS the correct solution to the mining centralization problem?

See this post. Meni believes that this could be the correct solution to the mining pool centralization problem, and that are no known drawbacks. There is some work that needs to be done to write, test ...
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Is it possible to mine with core duo cpu 2.4 ghz? [closed]

My PC details: Processor: Intel(R) Core(TM)2 Duo CPU T8300 @ 2.4GHz 2.4GHz Installed Memory(RAM): 4GB DRAM Video Card GPU: Mobile Intel(R) 965 Express Chipset Family Could you please ...
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101 views

After 21 million bitcoins [duplicate]

After 21 million bitcoins miners will be paid certain transaction fees but I need your guidance for clarifying following confusions:- Currently solving a block gives you 25 bitcoins but what is the ...
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Motivation to run full nodes

I'm sorry if I ask a stupid question. Bitcoin network was conceived by Satoshi Nakamoto as a decentralized network, but now we are seeing the full centralization of nodes in the United States. The ...
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Laymans guess to determine how many hashes must be computed to you find a specific value

I have a question about bitcoin, lets say that the output is uniformly random and that it is 256 bits in length. The output of the hash function y=H(t) begins with 25 zeros - how many times would one ...
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Can zero-fee txs get into a block?

What happens if a transaction is set to have zero fees? Can it get into a block? Also, if you updated a coin's code to accept zero-fee transactions, would this cause a hardfork? (e.g. made tx's in ...
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can i use quantum computer to calculate hash? [duplicate]

I had done some digging about bitcoins on internet . I think it is very cool. i was thinking that what would happen if we use "quantum computer" computing power to calculate the hash? can we do that?
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Can someone clearly, and in layman's terms, explain to me what my computer is doing when it mines for bitcoins? [duplicate]

What is the work it self that my computer does when it "mines" for bitcoins? Is it computing work for a third party? Is it solving meaningless puzzles or algorithms? Has anyone outside of those who ...
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Has anyone verified what your CPU is being used to do when it “mines” for bit coins? [duplicate]

I understand that "mining" for bit coins requires your computer to do work that you don't monitor, so my question is, how do you know what it is that your computer is doing? Has anyone verified what ...
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Is it possible to convert Bitcoin Miner to Litecoin Miner?

I have 90Gh/s Bitcoin Miner and its almost useless for Bitcoin Mining with current difficulty. By changing the Linux software installed in it can I convert this Bitcoin Miner to Litecoin Miner? I am ...
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theoretical: mining without transactions

As fas as I know, mining means verifying transactions and thus keeping the bitcoin network alive. Today at a local meetup, some people have informed me that mining doesn't need transactions. They said ...
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Is it possible to identify exact GPU type using miner's log file?

In the miners (sgminer) log file I have the following lines: [21:14:19] ADL index 0, id -546853344 - BIOS partno.: 113-C3865001-T04, version: 015.041.000.000.000000, date: 11/25/13 02:47 [21:14:19] ...
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Are transactions containing zero-value output accepted by miners?

Would miners generally accept a transaction that has one of its output values set to zero? Can the acceptance in this case depend also on the scriptPubKey associated with the zeroed output?
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is it necessary to stay connected to internet [duplicate]

it could be a basic question for you guys, but i'm new in this. is it necessary to stay connected to internet while doing solo-mining ? is there any method to keep mining without permanent internet ...