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

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Is there a proof of work system which takes significantly more memory to generate than it does to verify?

Litecoin resists GPU speedup by using an scrypt-based hashing function that takes some amount of memory to generate and verify. The problem with this is that the r parameter needs to be set high ...
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9 views

How bit coin is generated during mining? [duplicate]

I know that when someone is able to find a block and hash that can be attached to the chain, he will be awarded with "the newly found bit coins" However, isn't mining simply finding the hash? Where ...
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What happens when the Block Reward of a Currency is Changed to a Greater Value?

What Happens if the Reward for block solving is changed to a very great extent and if most / all of the users update to that version with the edit.. For example if block reward is 12 x and it is ...
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Javascript Stratum Miner

I'm aware of some Javascript RPC Miners, but does anyone know of any Stratum Javascrip Miners for use in my website?
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how to receive my awards? [on hold]

I'm solo mining with two ASIC miners at 150 GH/s. On a solo mining pool with cgminer with my address wallet in user. I've all the time shares accepted and New block detected because this pool would ...
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merged mining nonce

when mining bitcoin, the nonce is included in the header, which is then hashed and checked to see if it is below the target threshold. and everybody can verify that the header does indeed hash below ...
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28 views

What is the benchmark that mining ASICs are measured with to determine the hash rates?

When a mining ASIC claims to run at 1 MH/s or 10/MH/s or even 1000 GH/s, at what difficulty and with what algorithm is that measured against? I bought a cheap scrypt ASIC to see if it would live up ...
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57 views

Is mining difficulty leveling out (Spring 2015)? How does this affect the economics of Bitcoin?

Bitcoin mining difficulty has been through some interesting ups and downs lately. (I've supplied snapshots below to give context for future readers) Considering its long history of pretty much only ...
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73 views

Non-Bitcoin Uses for Old ASIC Miners? [duplicate]

Can I use an old ASIC Bitcoin miner for other applications? For example, quickly reindexing the blockchain on my computer? Or quickly hashing every file on my hard-drive? (I really wonder if the ...
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55 views

Is the Bitcoin rewards formula flawed?

This paper argues that the bitcoin 4-year reward halving system very disturbing. We see absolutely no reason and no benefit of any kind to have this sort of mechanism built in a crypto ...
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26 views

What is the minimal block time practically possible? [duplicate]

There have been so many altcoins that experimented with parameters like block-time, and I was wondering what turned out to be the minimal feasible time? If its 10 seconds for example, there will be ...
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44 views

What is the difference in speed between a GPU and an ASIC per dollar of cost?

I realize it depends on the ASIC as well as GPU.. Just want an estimate for some calculations I'm doing. Talking about Bitcoin mining, not an altcoin. Thanks!
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52 views

Running a few antminer S3's in a very confined space

I've been wanting to get into bitcoin mining for a while now, and finally have the funds to do so such that they can make a positive profit. However, I have limited space. Considering an antminer S3 ...
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40 views

How do I set up bfgminer?

How may I know if I've set up my bfgminer correctly? I don't have any hardwares (cause I'm like pretty broke and it costs a lot) so how may I know if bfgminer is properly working? How do I know if I ...
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35 views

If only six blocks are solved per hour, then how are more than six miners getting paid per hour? [duplicate]

According to this page on average six blocks in the Bit Coin network are solved per hour, yet there are thousands of Bit Coin miners and presumably more than six of them are making money every hour. ...
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134 views

What is the estimated size of complete blockchain when all bitcoins are mined. i.e around 2140?

By size, I mean how many GBs or TBs of data storage I would need to save entire blockchain starting from Genesis block when all bitcoins are mined?
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28 views

How much is known about mining pools' transaction fee policies?

We know that as of today in Bitcoin Core v0.10.0, the default value of minrelaytxfee is 1000 satoshis, and CreateNewBlock in miner.cpp uses this value as the minimum fee rate threshold in order for a ...
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104 views

What mining performance can we roughly expect from the Intel SHA extensions of the upcoming Skylake processor architecture?

Intel is scheduled to release their new x86 SkyLake microarchitecture in Q3 2015. Among other interesting features, it will introduce SHA extensions that will allow hardware acceleration of the Secure ...
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3answers
213 views

How do I make a profit buying cloud-hashing contracts?

I have tried one of the hashpower selling/buying website (nicehash) to buy hashpower. I have connected my order to a pool where I had one worker. However, despite all the advertisements, I could not ...
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93 views

Why doesn't the same miner always win?

If the miner with the strongest ability to solve the block wins, why doesn't the same miner win every time? Wouldn't that miner still have the strongest ability to perform the proof of work on the ...
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48 views

Best p2pool software

I'm pretty new to Bitcoin. This will be my second question at this site and I'll try to make it less verbose than the first while still containing what seems to be important detail. I'm still in the ...
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29 views

mining alt coins. trading/exchanges [duplicate]

I am interested in starting to mine alt coins. I have little in funds to invest in hardware, besides a laptop that I got from bestbuy. are there any coins that would be able to be mined from such a ...
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What do people mean by solving bitcoin transactions? [duplicate]

I have been looking at a lot of posts about how bitcoins are generated. They keep talking about how miners do computations of other "transactions". Do they mean bitcoin transactions or other forms of ...
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Why does an adversary have to control 50% of the computing power to double spend?

If transactions in a block are valid, in order to add that block in the block chain, a proof of work needs to be found. I have read the bitcoin paper by Satoshi. If the difficulty of the proof of ...
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58 views

Mining Litecoins as User in Debian

I followed this tutorial https://litecoin.info/Debian_Linux_cryptocoin_mining_rig_setup_guide and set up a Mining rig (Debian 6.0.10). Sometimes I modified it (downloaded later graphics drivers than ...
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49 views

What does the frequency of my miner mean?

What does the clock frequency of my miner mean. I can change it but how does it affect performance? For BFGMiner when I start my Gridseed I can press 'C' to change it.
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100 views

ASIC resistant PoW mechanism that generates new hash functions. How does that work?

From Vitalik Buterin's post regarding "On Mining", he mentions: The second approach is somewhat different: create a mechanism for generating new hash functions, and make the space of functions ...
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Are transactions in the mined block validated by other nodes on the network? [duplicate]

After successfully mining a block, the block and the solution is broadcast to the network. The nodes on the network in turn verify the solution. Aren't transactions that belong to the broadcasted ...
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128 views

Which is best for mining bitcoin?

I am wanting to buy a hardware for mining bitcoin and namecoin using Bitminter. But then Genesis Mining offer online cloud mining. I want to know if it's better to buy a hardware for mining bitcoin or ...
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107 views

Locating Server-Grade PSU-to-PCIe Power Cables for Bitmain Antminers?

Does anyone know where breaker boards and cables can be purchased online that provides four PCIe 6-pin connectors to power an Antminer C1 from a server-grade power supply unit (PSU)? Background: I ...
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33 views

How does the Bitcoin network checks if the miner has changed the mining reward? [duplicate]

You know the mining reward is just a number in the code,what if a miner changed it?
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51 views

Do P2Pool nodes always accept real blocks over share blocks?

The standard rule in bitcoin is that if you see two blocks on a chain that has the same work, you accept the one that you saw first as the correct one. If this extended to P2Pool chains, some nodes ...
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57 views

Does the power supply matter?

I have a Gridseed 5-chip ASIC miner and am running 2 amps into it. Will this impact how it works and if it works at all if I use 2 amps instead of 5?
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What is the cause and effect of all this 'mining'? [duplicate]

It seems mining is a reward system for the exchange of 'solving complex mathematical problems'. What 'exactly' is the 'complex mathematical equations' being analyzed in the mining process? How is ...
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Whats the difference between minting and mining? [duplicate]

What is the difference. I know mining is power hungry and minting is meant to be better but what is the difference because they both generate coins and are random?
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Book question on Bitcoin [duplicate]

I was wondering if you have any books in order to understand more in depth both Blockchain technology and Mining
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How to premine our coins in my altcoin?

I want to premine our coin, but I'm not able to understand which function from which file actually generate coin. So if you know than let me know so, I can understand that code and implement my own ...
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Why was there an non-steady mining rate in 2009?

For the first four years of bitcoin, 50 bitcoin were being mined per block. There was a feedback loop to adjust difficulty so that blocks would be mined every ten minutes, on average. So why is the ...
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41 views

LTC Pool With Friends?

Is there a way I could set up my LTC mining pool so that my friends could join? I've been having really good luck lately!
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What is criteria of mining priority except for transaction-fee?

I am reading "Mastering Bitcoin written by Andreas" and I found this explanation of mining. Transactions are added to the new block, prioritized by the highest-fee transactions first and a few ...
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If block sizes go up, won't sigop limits have to change too?

Gavin Andresen, one of the core developers, has discussed increasing the block size to 16.7 MB (and doubling that every two years). The maximum number of signature operations per block is currently ...
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171 views

I'd like to connect an LKETC USB Scypt Miner to my Raspberry Pi. Help?

I am new to bitcoin mining, but pretty good with technology as a whole. As a Father/Son project, I recently purchased a couple of USB LiteCoin Scrypt miners (I bought them here: ...
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Is it possible to make PoW ASIC-resistant through dynamically generated hash chains?

Bitcoin's static proof-of-work function SHA256(SHA256(data)) was apparently easy enough to be implement as ASIC which lead to the re-centralization we see today. But what if the PoW function changes ...
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55 views

What does it mean when a block is “kicked”?

While mining on a NOMP mining pool, I noticed that when you add the confirmed blocks and pending blocks together, they rarely add up to the total blocks found. It is my understanding that the missing ...
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518 views

How is it that concurrent miners do not subvert each other's work?

Every time a new block is added on top of block chain, the miners have to restart their work because the next block has to have a proper reference to previous block. Let's suppose that there is some ...
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61 views

Given a block, is there a list of all hashes for all possible 2^32 nonce values?

I am working in a computational research lab, and we're taking a look at Bitcoin. I'm trying to develop a simulation of Bitcoin mining for a nonexistent computer architecture. I want to simulate the ...
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42 views

Is it necessary for all miner to reset minig when the tip of blockchain has chenged?

Each block in blockchain contains a pointer to previous block (block header). If multiple blocks reference certain block as their parent, only the one that is part of longest chain is accepted. ...
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How are unconfirmed transactions divided into different blocks?

According to https://bitcointalk.org/index.php?topic=216938.0 one transaction can only be contained in one block. If I understand correctly, miners can freely decide what transaction they include in ...
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Recovering from a collapse in network mining capacity [duplicate]

What would happen if 90% of the Bitcoin mining capacity abruptly left the network (say, because a price collapse made it unprofitable)? From what I can tell, the immediate impact would be that ...
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Can a blocksize limit be a sustainable way to introduce scarcity?

Some people feel that it will be important in the future to introduce some scarcity into the mining market by having a block size limit. The idea is that this will force transactors to bid up ...