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Questions tagged [hashpower]

The hash rate is the measuring unit of the processing power used to secure the Bitcoin network.

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Explain the importance of Bitcoin Hash Rate using cpuminer

I need thoroughly explanations about Bitcoin Hash Rate beyond the trivial ones like: "Hashrate" refers to the total combined computational power that is being used to mine and process ...
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How to remotely configure Antminer S19 Pro+ hash rate or ideally power limit in Watts (wattage)

I am helping a friend set up his Antminer S19 Pro+ miner and due to fluctuating power availability, he needs to control the hash rate, or ideally power usage (in wattage) remotely. Is it possible to ...
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Does the hashrate/hash power represent the number of single or double sha256 operations that can be done per second? [duplicate]

When we state that someone has, for example, a hashrate of 240 H/s, does it imply the capability to perform 240 SHA256 hash operations (equivalent to 120 double-SHA256 operations) or 240 double-SHA256 ...
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Why don't Bitcoin mining operations grow exponentially?

I went to Bitmain's home website one day when I saw the S21 Hyd. I ran calculations on that and found out it could pay for itself every 4 months (after power bills). So, how come Bitcoin mining ...
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Breakdown of BTC mining and correlation with past metrics

I am having trouble understand the current BTC market. Do current (technical) indicators like mining difficulty, hashing power, electricity costs not mean that the price should be trending upwards?
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Is it possible to mine 1 btc in one day?

I am working in a company and my boss has ordered me to design a rig that can mine up to 1 BTC in a single day. I want to ask if is it possible. If it is then how much hash rate wil be required and ...
Junaid Khalid's user avatar
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How much info does the Bitcoin Network know about miners? Would a time traveler be discovered?

What information does the bitcoin network & blockchain actually log about the miners themselves, such as hardware-specs/OS/hashing-rate/etc.? And how backwards compatible are the protocols? For ...
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Is the 'real barrier' to attack bitcoin's consensus 33.34%, rather than 51%?

Saw a random tweet thread that claimed that the "51" in "51% attack" was misinformation, and that in reality only 33.34% of hash power would be needed for a bad actor to attack the ...
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How is the hashrate calculated?

Where does the data come from?
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Estimate hashrate from block info [duplicate]

Hi for POW is it possible to estimate hashrate for that block using only available info from getblock rpc ( difficulty , timestamp, etc ) ? Is there a correlation between difficulty and block found ...
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How to estimate pool hashrates based on the number of blocks they have found?

What is the formula used to estimate the pool hashrate based on the number of blocks found by that pool? For example, Braiins provides an estimated hashrate that is calculated based on the amount of ...
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cw-144 oscillation problems [closed]

I am starting to get into Difficulty Algorithms and attacks on them. I came across cw-144 which used to be BCH's DAA at least until mid 2020 (recent developments do not interest me and this is not the ...
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Modelling random walks for double spending based on hashrate

I'm reading Analysis of hashrate-based double-spending where the following assumptions are made (on page 5): The total hashrate of the honest network and the attacker is constant, say H. Let the ...
SyntasticMonoid's user avatar
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Can miners single handedly perform 51 attack toward the network?

Is this true that miners alone cannot do 51 attack even one or a group of miners posses >51% of hashrate of the network? As far as I know, every block should be accepted by nodes to be added to the ...
Amir reza Riahi's user avatar
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Upper limit on BTC PoW hash rate?

Is there an upper limit on the amount of hash rate for Bitcoin's Proof of Work? Is there a big difference security-wise going from 175 EH to 275 EH?
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Can we use Analog Computers for crypto mining?

Recently I came across the video from Veritasium where he explains the importance of analog computers and how in specific use cases they outperform digital computers. I was wondering is it possible to ...
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do miner hashrates vary during block production?

When a block is mined, the remaining mempool txs can be mined into a new block. Is there a difference in blocktime between accepting all streaming mempool txs into the mining block and sticking with ...
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What is "buying hash rate" and how could it be profitable?

I'm sorry if this question may sounds like a newbie question (well, it is). Introduction I'm 23 years old and I would like to generate money with my money to eventually invest in stock market after ...
Baloo's user avatar
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Algorithm behind Bitcoin Core's hashes/s metric

The call bitcoin-cli getmininginfo returns a metric networkhashps among others. It shows how many hashes the entire Bitcoin network generates per second. This metric however, is not directly stored ...
Dalit Sairio's user avatar
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Will we have blocks with hash 000...000 (all zeros) in the year ~2070 if hashrate will increase with the same rate?

I have made an estimate on when the total hash rate will be high enough that we might observe blocks that have a hash with complete zeros. ...
phinz's user avatar
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Why miners looking for zeros?

I am trying to understand how miners work. Is it true that miners are looking for a number of zeros because if they needed to find the complete hash they will be able to see the content of the ...
Timo's user avatar
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Where to find exact number of hashes required to mine most recent block?

I would like to see real-time mining profitability. The bitinfocharts web only shows day average. Is it possible to see how many hashes were actually needed to mine most recent Bitcoin block?
Jan's user avatar
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How many SHA256 hashes can a single thread compute?

ASICs use many threads to compute SHA256 hash functions in parallel. At the time of this post, Antminer S19 can compute 110TH/s. How many SHA256 hash functions per thread can the best SHA256 ASIC ...
satya's user avatar
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How do difficulty, hashrate, and network hashrate fit together?

I understand that there are multiple terms for the idea of how hard it is to successfully mine BTC. The terms I have seen are "difficulty", "network hashrate" and "hashrate&...
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What is the lowest number of blocks mined in a day?

There were only 67 blocks mined on the 2021-06-27 (UTC). Is this the lowest number of blocks we have ever seen in a day? Or have we seen numbers counts in the past?
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Appending txns to merkle tree on PoW efficiency, true hash rate

As I understand, when miners add transactions to their candidate block from their mempool, they append the txn to the merkle tree, which requires more hashing, as well as the hashing/maths involved ...
Matt Tainsh's user avatar
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What exactly is sol/s as far as a hash rate is concerned? [closed]

What is sol/s? Is it the same as MH/s? Please don't answer it depends, because that makes no sense! I have already tried googling this question but to no avail.
Fawk Stayne's user avatar
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181 views

How do we know that a certain hash below the target is even possible when mining?

If the target hash were artificially low, i.e. 3, how do miners know if there will ever be a nonce that produces such a hash?
jerpy's user avatar
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College Economics Student in Support of Crypto Looking for Live Hashrate Data

I am a college economics student doing a Thesis project in support of the long term viability of Crypto. Does anyone know where I can get live Hashrate data for free or for sale? I appreciate it - ...
Timothy's user avatar
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Reversing network hashpower

I'm reading this article by Vitalik Buterin on Problems in Cryptocurrency and don't quite understand what this means: Ideally, after some number of blocks (perhaps logarithmic in the total size of ...
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Why is a 51% attack guaranteed to outpace the rest of the network's miners? Doesn't 51% hashing power give only a slightly higher chance?

I thought hashing power is an expression of the probability of being the one to solve the cryptographic puzzle and placing a new block on the network. If that's true, owning 51% of the hashing power ...
bitsearch's user avatar
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Is mining a fair mechanism in blockchain network?

As we know, propagation of a new block in blockchain network has some delay and many nodes receive the new block later. so if it is that the first one who finds the nonce properly wins the block can ...
ShakibaZar's user avatar
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Is it feasible to prove the density of found hashes and could that be valuable?

Background When a miner claims a certain hash power and timestamps a block they solved, they are making a claim that a certain amount of time has passed since they received the previous block. ...
Dave Scotese's user avatar
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How can we find the hashrate distribution of different pools? [duplicate]

we can see that different websites propose some graphs in which the hash rate distribution is depicted, like the attached Figure. 1) I want to know that how do these websites approximate this ...
tesoke's user avatar
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Who can predict that a benign attacker has 51% hash rate of the system?

In the Bitcoin network, suppose that there is an attacker who has 60% hash-rate (hr) and then other users have 40% hr. Therefore, it is obcioust if other users generate any new block, attacker can ...
tesoke's user avatar
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How to transfer hash power from one pool to another

Is it possible to transfer hash power from one pool to another? If yes, how?
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What is the formula for inferring hash rate from difficulty and block frequency?

Two parts to this question 1/ There have recently been concerns over drops in hash rate observed on sites such as blockchain.com. However, my understanding is that hash rate is inferred from the ...
AdaptiveAnalysis's user avatar
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How the difficulty of the network affect the average block mining time if we have static hash power?

Let's suppose that I have 500 KH/s of hash power overall from my mining rig. I'm about to start mining coin X and its network difficulty is Y. Current hashrate of the whole network is 100 KH/s and ...
Monolink's user avatar
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If I have 51% of the capacity of the entire network, can I mine absolutely all the blocks faster than the network?

I'm really wondering can I mine absolutely all the blocks in the network faster than rest miners with their 49% hashing power not for the purpose of conducting double-spend attack?
Monolink's user avatar
3 votes
1 answer
304 views

How to determine the geographic distribution of the hashrate?

I would like to map the hashrate distribution geographically, which would require knowing the IP address of the winning miner for each block. According to the paper by Miller et al several aggregator ...
Apod's user avatar
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What precisely does the commonly reported network hash rate refer to?

Specifically, does it refer to SHA hashes per second, or does it refer to nonce-iterations per second, because to check a nonce requires the application of SHA twice.
Bradley Thomas's user avatar
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Are miner builder/sellers profitability calculations true?

regarding to this question here How many hash calculation is needed to reach one BTC? , it takes about 1387 years with 1 TH/s power rate to reach 1 BTC. So if someone has a machine with 53TH/s power ...
user3486308's user avatar
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2 answers
173 views

What are the chances bitcoin big mining pools to unite and do 51% attack?

Looking at this bitcoin hash rate distribution chart (https://www.blockchain.com/en/pools), it only takes 3-4 mining pools to unite and do a 51% attack. With this possibility, how can people still ...
bbnn's user avatar
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What is a relationship with total hash rate(hash power) and average block generation time?

This chart - hash rate means total hash rate of All minor? I think the most significant factor for difficulty and block generation time is the hash rate of the biggest mining pool not total hash rate ...
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19 out of 24 words of BIP39 passphrase (brute-force last 5?) [duplicate]

I have managed to lose 5 words of my 24 word Ledger Nano S recovery phrase. I have words 1-19 but I am missing words 20-24. I have significant holdings on the wallet so would very much like to recover ...
JGoodwin10's user avatar
2 votes
1 answer
440 views

Are there still miners or mining pool which refuse to implement SegWit?

It was well known that initially while SegWit got more than 50% of hashrate after activation that a part of the mining pools refused to implement it. But are there still blocks being mined by miners ...
user2284570's user avatar
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How is pool hashrate share name known?

Since it’s not possible to know mining pools nodes addresses, how do we know the that a specific node owing 15% of share belongs to btc.com for example ?
user2284570's user avatar
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213 views

Can the Bitcoin halving be delayed?

Currently the next halving date is May 2020 (provisional) according to enter link description here. I understand that every 210k blocks, the block reward is halved and this works out, roughly, to ...
sunra's user avatar
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Hash rate of the average PC/Top end PC [duplicate]

Hi I was wondering if anybody had any idea about what the hash rates are like with PCs released fairly recently. I'm sort of looking for figures to use for an average user if they wanted to use their ...
Matt's user avatar
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What stops miners from no longer submitting failed hashes to the network, to reduce the difficulty and block time?

As I understand it, the difficulty adjusts based on the hashrate to keep the block times at 10 minute intervals. But if Alice and Bob are the only ones mining on the network, what's to stop Alice from ...
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