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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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1 answer
70 views

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 ...
7 votes
2 answers
13k 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
0 answers
26 views

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 ...
5 votes
2 answers
188 views

Will Bitcoin scaling affect the amount of hashing power required to keep the network secure?

In Mastering Bitcoin Andreas Antonopulous asserts that "Bitcoin can scale up, achieve broader adoption, and remain secure without any increase in hashing power from today’s level." Is this really ...
2 votes
0 answers
58 views

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 ...
2 votes
2 answers
2k views

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 ...
1 vote
2 answers
267 views

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 ...
5 votes
2 answers
1k views

How will a massive increase in hashpower affect orphan rates?

Difficulty always lags behind a little. It is also limited in how large adjustments it makes each time. What if the (global) hashrate doubles overnight? What if it quadruples? How much can we expect ...
0 votes
1 answer
271 views

Would mining future bitcoins break Bitcoin?

Assuming an Bitcoin miner with very much hashrate (like Bitmain) would decide to mine "future" Bitcoin blocks and provide them within very short time to the network, would this break Bitcoin?...
4 votes
2 answers
2k 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 ...
0 votes
1 answer
25 views

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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1 answer
128 views

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 ...
14 votes
2 answers
2k 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 ...
0 votes
2 answers
80 views

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 ...
-1 votes
2 answers
100 views

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 ...
0 votes
2 answers
96 views

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 ...
3 votes
2 answers
232 views

How is the hashrate calculated?

Where does the data come from?
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27 views

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 ...
1 vote
1 answer
44 views

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 - ...
0 votes
1 answer
101 views

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 ...
2 votes
0 answers
62 views

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 ...
1 vote
1 answer
48 views

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 ...
1 vote
1 answer
68 views

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?
1 vote
1 answer
2k views

Calculating Hardware Efficiency through Hash Rate per Second

I was wondering if any of you could help me in making my own mining calculator. I know there are many good web apps out there, but I would like to make one myself. What I don't understand is how to ...
1 vote
1 answer
2k views

How do I calculate the expected shares per minute for my pool [closed]

I am currently mining Zencash in a pool, and I'd like to be able to calculate the expected shares per minute for a given pool's hashrate. Let's say the pool's hashrate is 50 KSol/s. I think that the ...
1 vote
2 answers
1k views

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 ...
8 votes
2 answers
14k views

Calculating average number of hashes tried before hitting a valid block

I'm toying with the idea of starting to mine, and was wondering how to calculate how many hashes on average must be tried before one will "hit" a valid block? I'm talking about a single user (not a ...
0 votes
1 answer
40 views

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 ...
6 votes
3 answers
5k views

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 ...
14 votes
4 answers
73k views

What are the odds of discovering a block as a solo miner?

I understand that during mining, one does not discover individual coins, but rather blocks of coins, and I heard that one block equals many coins (but how many?). I am wondering though, as a solo ...
2 votes
1 answer
60 views

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 ...
1 vote
2 answers
116 views

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. ...
0 votes
3 answers
597 views

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 ...
2 votes
1 answer
396 views

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?
0 votes
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179 views

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 ...
4 votes
2 answers
10k views

What hashing speed does my hardware have?

I'm checking this page to know what hashing speed my hardware has. But there's no explanation about the acronyms. For my Core 2 Quad Q9650, what's the expected hashing speed?
1 vote
1 answer
171 views

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&...
5 votes
1 answer
35k views

What is a megahash and how is it used to estimate the rate at which bitcoins are mined?

What part of the bitcoin network requires hashes and why? What is the relation between money and the megahashes a card can do?
2 votes
1 answer
64 views

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?
0 votes
3 answers
180 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?
0 votes
1 answer
60 views

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 ...
15 votes
6 answers
68k 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 ...
0 votes
2 answers
2k views

Can a Qubit Miner ASIC device be created and what would its impact be on the mining community?

With mining gaining in popularity every day and the raw power of the ASIC devices increasing at a dramatic rate, I wonder what is the next big jump for miners. Qubits, or quantum bits, have already ...
0 votes
1 answer
147 views

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.
1 vote
1 answer
57 views

How is the current hashing power of the entire network measured in real time?

Does hash power refers to mining nodes only ? We don't know how many nodes there are on the Bitcoin network, correct? How do we count them? Would we need to know [2] in order to figure out what the ...
18 votes
6 answers
35k views

Why can't they use super computers to mine all the bitcoins?

I have very limited knowledge of bitcoin, but, I hope you don't mind my asking this question: As I understand it, "mining bitcoin" requires "significant" computational prowess. A lot of dedicated ...
5 votes
6 answers
32k 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 ...
0 votes
1 answer
104 views

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 ...
1 vote
2 answers
54 views

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 ...
2 votes
2 answers
1k views

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 ...

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