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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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What is resource of mining rewards

How the coins must be paid miners for mining process is provided? One of resources may be transactions fee. Is there any other resources for proving reward of miners?
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ASIC Speed measurement

Mining hardware manufacturers use "Hash rate" to define how fast the mining is with their ASICs, but do they mean 1 sha256 cycle speed or Bitcoin hash speed sha256(sha256(header)); ?
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how to calculate hash rate of your rig?

First going the easy way, I would use any online calculator but most of these mining calculators require the hash rate of my device. I am unable to find a suitable answer or a guide to easily compute ...
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What stops people attacking my new coin?

Say I just made a new altcoin. I mined it for a few days at some reasanoble difficulty - 2000 for example. I got to the 10 000th block and I am happy with my premine and network. Then, an attacker ...
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Why were miners still mining BTC at times when BCH was 2-4x more profitable to mine?

From August 2017 until mid November (prior to BCH's hardfork with the difficulty adjustment algorithm) there have been some occasions (notably end of August, beginning of October and mid November ...
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How much time to re-mine blockchain at current hashpower?

It has taken 9 and half years to mine all blocks averaging 1 per 10 minutes. How long would it take to re-mine all current blocks at current hashing power?
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71 views

Is possible to destroy the Bitcoin for just $500K? (51% attack)

Everytime I read about the 51% attack the answer was something like: is really expensive to get 51% of power on BTC and nobody will invest so much so to destroy the bitcoin. But I found this site ...
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587 views

Why has BCH not received a 51% attack yet?

BCH right now has around 10% of BTC total hashrate. There are multiple pools that control 10%+ of the total BTC hashrate why haven't any of those just allocated a few hours of hashrate to do a 51% ...
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How do we know which miner or pool mined a block?

There are websites that talk about each mining pool's total % of hashrate. I think they do that by calculating what % of the last X blocks were mined by a particular miner/pool. But how can we know ...
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Hashes and payment

I’m still learning about mining and all, but there’s one thing I still don’t understand. I was checking out the hashflare site and came across the store where you can buy hashes. What I don’t get it, ...
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Would mining future bitcoins break the 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 the bitcoin? As i ...
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How many satoshi i will get if I got 10 H/s [duplicate]

I got 10 H/s. How many satoshis i will get for one day?
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43 views

how to model stale blocks rate

In this paper "Information Propagation in the Bitcoin Network" the authors measured stale blocks in bitcoin and got a rate of 1.69% stale blocks. This is due to block propogation delay. The authors ...
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508 views

Bitcoin mining difficulty and hash rate

On blockchain.info there is the charts that shows the mining difficulty over time and the hash rate over time. See: Hash: https://blockchain.info/nl/charts/hash-rate Mining difficulty: https://www....
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how to simulate different miners competiting in solving pow puzzle and updating blockchain?

i would like to really understand pow mining by implementing a simple one, but still struggle. assume we have five miners, m1,...,m5. Each miner has hash rate, m1=30%, m=20%,m3=15,m4,25, m5=10%, in ...
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How to compute the global hash power currently deployed for Bitcoin?

I would like to have a time series of hashing power deployed in a given time to the bitcoin blockchain.gomething like blockchain.info has, but with a custom granularity (they only offer per-day value, ...
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Zero Hashes Per Second with Diablo-D3 Miner

I'm trying to setup Diablo-D3 Miner on my computer (I'm aware that there are other solutions available, but I need something written in Java for a personal project) and I see in console I'm getting ...
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251 views

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

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 ...
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Bitcoin mining question about hashrate helping you exponentially

I am a total newb in the crypto mining world and was researching the profitability of bitcoin mining when I came across bitclub which offers almost 4x more profit than mining by yourself. Their ...
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135 views

Probability of block rewards

Assume that there are only three mining pools, all with the same hashing power, mining for bitcoins in the bitcoin network. Which mining pool is most likely to get the block reward? Do you all think ...
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163 views

GPU Mining Speed

I am a bit new to the whole mining thing and just have a economical issue when it comes to selecting GPUs. Sorry if the title is in appropriate. Let's just say in mining Ethereum, a 1070 ti (costs $...
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If BTC.com has the highest hash rate, then why is it not the only pool prodcuing the blocks? [duplicate]

with respect to : https://blockchain.info/pools BTC.com pool seems to have the highest hashpower of 5648.00 PH/s[as per https://btc.com/] .Then how is it that other pools are also able find the ...
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How is Ethash a 'memory hard' algorithm if it utilizes peak GPU memory bandwidth?

According to the Ethash algorithm described here, the computation for each nonce requires a loop of 64 iterations, where each iteration reads a chunk of 128 bytes from a pseudo-random location in ...
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Why is Ethereum total network hashrate still increasing if there are no GPUS to buy?

The total Ethereum network hashrate is close to doubling relative to its December level. Mining difficulty is also increasing proportionally of course as the total reward per block stays the same. ...
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retail hardware SHA256d hash rates [duplicate]

Obviously it hasn't been profitable to mine bitcoin on retail hardware for years at this point. Nevertheless, I'm curious. Does anybody have any benchmarks on what the hash rates for retail ...
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234 views

How can I calculate the true price of a coin/token?

For example, according to https://medium.com/@CO1NIO/fundamental-analysis-for-cryptocurrency-46d41941ccc We will do a sample analysis with the cryptocurrency Gulden(NLG) A quick analysis shows ...
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How miners with less power win?

As I understand, when multiple persons mine blocks, only the first one who solves block is the winner and gets rewarded. Basically the winner is the one (solo miner or group in pool) who has the ...
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262 views

Best ASIC miner for someone on a budget

Ive looked all over for decent ASIC miners under 150$. Ive gotten very mixed reviews on the ones Ive found and are very new to mining in general. I would like a simple ASIC usb capable of at least BTC ...
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249 views

Mining Zcash using cluster of GPU's

I have a basic knowledge about an idea of cryptocurriencies. Recently I have read articles about Zcash. Rumours has it that it's the most profitable cryptocurrency on the scene. Me and my co-...
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How do you mathematically add and subtract hash power?

My question was how do you mathematically add and subtract hash power. I recently purchased four Antminer D3s.They all run at the average rate of 19-20 MH/s but when I go to my stats in the pool that ...
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1answer
568 views

Why the nonce is difficult to find in Bitcoin?

I read many articles explain the Bitcoin POW, but every article seems copy form each other. they just indicate find a nonce start from 1, but I still confused why find a nonce number is so difficult? ...
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1answer
142 views

Why am I getting only about 3k to 300k hashes per second?

I have written a python script to mine bitcoin. I am however getting only 3k to 300k hashes per second Here is the code: import time import hashlib import random import string size_of_rand_input =...
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1answer
212 views

How many CPU's work on blockchain today?

How many CPU's are working on blockchain now? How much energy is estimated to be consumed? I read an article on coindesk saying it may surpass all other energy consumption by 2020..... seriously?
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Who witnesses a Segregated Witness transaction and what incentive do they have to witness the extended block containing signatures?

This video claims Segregated Witness is insecure because no one has an incentive to process (witness) the extended signature block. https://www.youtube.com/watch?v=VoFb3mcxluY It claims that as the ...
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What are the implications of a huge amount of unused hash power?

A not unthinkable scenario is that the Bitcoin price decreases to, say, 10-20% of today's value. This would make mining less profitable, and the difficulty should adapt accordingly. This should lead ...
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350 views

BTC Hash-Rate API

I'd like to get hash-rate of BTC from OKcoin' API(GET /api/v1/charts/:type) here is OKCoin's API web site. How can I get information from here is OKCoin's API web site. python gets = requests.get("...
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790 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 ...
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563 views

Geographical distribution of mining power/work

Is there any information on how the mining power is distributed geographically? I.e. where the computers are located that do the work. This is important as one measure of centralization of the system,...
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2answers
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Total number of hashes performed for bitcoin purposes?

I would like to estimate the total number of hashes (double SHA-256) that have been performed for bitcoin purposes. As an estimate, I downloaded mining stats, massaged the numbers (assuming the rate ...
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261 views

How is hash rate estimated on pools?

I have my mining operations polled every 5 minutes and from this I gather my accepted shares and difficulty over that 5 minute time-frame. When my GPU is mining I'm getting about 45 mh/s which from my ...
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1answer
4k views

Current hash rate required for one block

Now, the height of the blockchain is 485531. How much hash power is ideally required to mine block number 500000. And how much hash rate does a node require to publish a block successfully each hour?
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510 views

BitMinter Hash rate

I checked on BitMinter (https://bitminter.com/) and it says my computational power is 2058Thps, is that a good thing for bitcoin mining, i'm rather new to the mining community and am uncertain. I ...
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1answer
373 views

How can someone mine bitcoins at billions or trillions of hashes per second when the nonce is only 2^32 in size?

According to another similar question on Bitcoin Stack Exchange, https://en.bitcoin.it/wiki/Block_hashing_algorithm shows how the mining algorithm works for Bitcoin. The problem is, it shows the ...
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2answers
254 views

Sustainability of current hashing

I'm a bitcoin/blockchain layman. I'm just getting my head around the hashing of blocks and the increase in difficulty (number of zeros) required as more miners get involved. I understand this is to ...
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1answer
5k views

What is the unit “Th” as in Th/s? [duplicate]

I keep seeing this everywhere, but it seems impossible to search. What does Th stand for? What does it mean? How do you calculate the Th? For example, "The 13.5 TH/s is $2773.28 US". What does that ...
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2answers
572 views

Proof of work: How are target, difficultly and number of leading zeros related to each other

I'm aware of this post, this and this one. I'm a bit confused with the terms. I don't understand how a number of leading zeros, target and difficulty are related to each other. Also, I don't ...
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how to find hash rate on an iMac

I'm new to this BitCoin thing. I'm wondering, running macOS Sierra, how can I check my hash rate? I've tried Monero but couldn't figure out how to work it right. I've googled for this answer and ...
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166 views

Is there any punishment for Having more than 50% of the mining power of the network

I am just curious about it. In history once it happened That GHASH.io owns 52% mining power, he was malicious and sell 5% to other miner. Bitcoin community keep watch on everything?
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How much is this in GH/s? [duplicate]

I Hope i can get some help from you. when i have 2.43 TH, how much is this in GH/s? I'm complete confused, cause i tried to find out, how much is this. Can someone tell me how much GH/s this is at ...
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473 views

Inconsistent mining profitability calculations

I am gathering some btc details from coinwarz api as follows Bitcoin difficulty: 711697198174 Bitcoin reward: 12.5 My personal hash rate: 1.425 TH/s I then try to calculate amount of seconds it ...