Questions tagged [mining-pools]

This tag should be used for questions referring to mining pools. A mining pool is a way of sharing the work needed to find a block. Miners are rewarded in proportion to the amount of computing power they contribute to the problem, with various ways of calculating returns.

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Can Miners spend the data-insertion amount?

I am wondering if a Miner can spend the amount mentioned in a data-insertion transaction for herself? And what is the incentive for Miners to confirm data-insertion transactions? Thank you
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Solo mining: Stratum from pool 0 detected new block at height

I'm using ckpool which is a solo Bitcoin "pool". If I see this message "Stratum from pool 0 detected new block at height" what does that mean in the context of a solo pool? In ...
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Reorgs and MEV in Bitcoin

Recently one of the altcoin that has lot of other issues is in news because of MEV (Miner Extractable Value). Honestly I don't care if someone exploits it or it affects the altcoin in any other way. ...
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What are miners signalling for when the block header nversion field ends in 4 i.e. 0x3fffe004?

I've been researching into Overt (Version rolling) ASICBoost and tracking some of the latest mined blocks on https://asicboost.dance. I've noticed that all recently mined blocks have the version ...
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Why is my target different from a miner?

I'm developing a miner to study how mining works and I've connected it to a pool using Stratum. When I use the bits provided by the pool to calculate the target, it is different from the miner that I ...
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Are all “hosted mining” services necessarily scams?

In 2014 or something, I paid a smaller sum of money to some company called "Cloudhashing" or something, which claimed that I was renting part of their Bitcoin mining pool and all I had to do ...
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1answer
64 views

How does Bitcoin prevent race conditions?

Ok lets say there are two pools. Pool A and Pool B they are on opposite sides of the world. Lets say that pool A finds a hash that works for the current block and that pool B also finds a hash for the ...
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Would pool mining within video games (to make them free) be profitable? [duplicate]

Say a big game company like steactivblizzard released the latest Call of Assasins Hitman for free. They could incorporate bitcoin mining within the menu/pause/loading screens as a sort of payment ...
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71 views

Bit Coin Mining

Sorry for being noob. I am in the process of developing Bitcoin Mining in Python, just curious about whether, can we able to receive the percentage of guess in Target Hash Function via API. For ...
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What does verifying a fake transaction mean?

Dear China: please ban bitcoin mining. Four large Chinese mining pools control almost 60% of bitcoin supply and could in theory collude to verify a fake transaction: Goldman https://twitter.com/...
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Known cases of block-withholding attacks

At the moment I am doing a course about Bitcoin. The topic of the last session was the block-withholding attack and the course (being from 2014) claimed that there are no known attacks so far. Is ...
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Is a proof of work consensus mechanism that discourages mining in pools possible?

Most proof of work cryptocurrencies, including Bitcoin, have most of their hashrate controlled by the biggest mining pools which significantly decreases decentralization. Would it be theoretically ...
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Did pools verify constantly the ouput of createrawtransaction when they build their coinbase transaction?

Pools creates their own coinbase transaction to pay their selves, and they begin the PoW by hashing different Headers, what prevent a hacker from changing the createrawtransaction with different ...
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Fee-gathering advantages for geo-optimised miners

As the fee-in-reward percentage grows relative to subidy, will profitability increasingly be proportional to the number of listening nodes a miner has access to? While Bitcoin Core randomises ...
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Who enforces new consensus rules in Bitcoin?

I have been reading at few places that miners will enforce new consensus rules. Examples: https://twitter.com/BitMEXResearch/status/1391014115968274433 https://twitter.com/ajtowns/status/...
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Taproot block version [duplicate]

In block 681543 Slush Pool had mined the proper taproot signalling (bit 2 in block version) block but the version wasn't the default 0x20000004 with a version base 0x20000000 but 0x3fff0004. Does it ...
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I need help figuring out what happened with my BFGminer overnight

I'm a newbie to crypto and was experimenting with usb erupters because I was getting into ETH mining with my rig and wanted to test it on something less risky. I ran ck pool for my USB erupter just to ...
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How Bitcoin restricts the mining time?

How Bitcoin restricts the mining time? We know cryptocurrency systems restrict the mining time of a block to a certain limit for security reasons. For example, mining time for Bitcoin is ~10 minutes. ...
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In a mining pool, can there be any two or more nodes mining a block using the same nonce?

Me and my friend decided to try to mine cryptocurrencies using somewhat old (few years old) unused but somewhat decent gaming PC. We decided to create or join a mining pool to double our processing ...
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Is bitcoin mining mostly a losing game for individuals? [duplicate]

I've just read about the new ASIC chips and how people are keen to get them. I assume whoever sells the chips would have made huge profits for years by now. The more miners start using these faster ...
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About mining difficulty [duplicate]

I hope you’re all doing well during this COVID-19 period. I was wondering how you can calculate the difficulty rate of a coin (Mining purposes)?
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How to add new btc block to blockchain [duplicate]

Please let me known that "How I add a new BTC block to blockchain?" as a sole miner.
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how to identify as soon as possible that a new block was mined

From the miner perspective: You have a worker, fetching data from a full-node with getblocktemplate to create a candidate block and push it to the miners, to effective mine it. As soon as your miner ...
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How mining works for a new born cryptocurrency [duplicate]

What I have learnt that mining is breaking a block which contains transactions using hashing algorithm (Sorry if this is wrong please do correct me). Now my question is how mining will work for a new ...
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Stratum: How many shares should I submit per job?

I'm implementing a bitcoin CPU miner just for fun in python. I've been reading a lot about bitcoin and the protocol pools use for communication and coordinating workers but there is a key concept I ...
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What is the fraction of the Bitcoin mining power that might be engaged in Selfish-Mining?

Is there an estimate for the fraction of miners engaged in Selfish Mining within the BTC network? In light of the publication The Impact of Selfish Mining on Bitcoin Network Performance (2021), ...
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Is the block header in stratum protocol double hashed?

I'm trying to understand how the block header is done when mining in a stratum pool. Should the block header be hashed once or double hashed ? the block header consists of the version, previous hash, ...
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148 views

What is a correct extranonce2 value in the stratum protocol?

I'm developing a stratum mining client. I read on stratum v1 docs on braiins.com how mining work is done on the stratum protocol and that the coinbase is done by concatenating coinb1+extranonce1+...
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Mining pools repayment in a coinbase tx [duplicate]

Is it possible to add more outputs than one to the coinbase transaction? And if it is, can miners use them to repay users for renting hash to the pool? I think in this case they know who to pay and ...
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2answers
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How does the mining pool know our hashrate/our share?

Scenario: Person A: has a good mining rig and run for 24 hours and produces: 1000 mega hashes, but found only 1 share. Person B: has a bad mining rig and run for 24 hours and produces: 1 mega hash, ...
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1answer
71 views

Mining statistics dashboard

I am searching for a public mining statistics dashboard that lets you see per BTC address/transaction how much was mined, when, and a way of making sure that those Bitcoins indeed come from a miner. ...
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1answer
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Bitcoin Mining Pool setup - Pool does not own wallet address

I have setup multiple pools in the past for different Algo using NOMP, UNOMP, MPOS, YIIMP, etc open source solution. But it is first time I am setting a pool for Bitcoin - Tried UNOMP, NOMP, and ...
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What algorithm do miners (mining pools) use the generate different blocks as they exhaust the nonce values

As I understand it, the building of a block goes something like this (please correct): Collect a bunch of new transactions. Hash all those transactions. Generate a coinbase transaction using the ...
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Can one manually type the mined block on bitcoin core and broadcast it?

I get that all miners compete to find the block first, which is then broadcasted to other nodes who then verify it. But what spikes my interest is would it be possible to broadcast the block to the ...
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What unconfirmed transactions in Mempool get into a block? [duplicate]

I have a question regarding picking unconfirmed transactions from the mempool. Let's say, there are 1000 transactions in the mempool. Can I randomly select some transactions, say, transaction a, b, c, ...
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1answer
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How is the proof of work actually proved in the mining pool?

When mining Bitcoin in a mining pool, we share the coin for percentage of the work we have contributed. But how is the work "proved". For example, if the mining software reported "it ...
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1answer
102 views

who is the “owner” of a newly mined BTC before its first transaction?

When a miner adds a new block to the bitcoin blockchain, effectively 900 new coins come into existence as I understand it. the miner gets 6 of them as payment, but who 'gets paid" for the other ...
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2answers
171 views

Does the low difficulty for my pool give my miners more guesses per block?

I understand that my chances are better at winning the lottery are better than guessing a block, but humor me please. If I have a pool with 2 miners will my miners offer more "guesses" at ...
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1answer
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ELI5: does the number of 0's required in mining for SHA256 over the years strictly increase, or does it depend on how many miners there are?

It is said that to discover a block, the person has to get a SHA256 number that has all 0's for the first 72 bits. Does this number 72 change and become bigger and bigger over the years (say, every 4 ...
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How can I get coins from a personal pool?

I'm running a node and a private mining pool, does my miner have to solve the block for me to receive any coin?
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Is there any logical way that a “cloud Bitcoin mining” operation could be anything but a scam?

A few years ago, I paid (don't remember now if it was in Bitcoin or fiat) for a subscription to this "Cloudhash" scam. Basically, they claimed that I was "renting" a miner in their ...
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1answer
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Does spy mining negate the harm caused by big blocks on decentralization?

In the question Do larger blocks make it harder for smaller miners to compete? Why? there are some reasons given for why larger blocks hurt smaller pools. Is this still the case with spy mining? Spy ...
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Miner for Non-Standard Transactions

I understand that bitcoin-core introduced the IsStandard() check in v0.9(?) to prevent non-standard transactions from being broadcast (unless in a mined block). I'm interested to know whether there ...
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1answer
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Did Satoshi Nakamoto (in his blogs or the whitepaper) forecast that mining pools would exist?

Mining pools are common today where users pool their resources together and share profits accordingly. Such pools today can account for significant proportions of a network's hash power and they're ...
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Does bitcoin mining pool hash randomly and separately

When it comes to hashing does each mining entity use total random seed for each of their hashing function or do they have a range like " Im gonna cover from 0 to 500, and you cover from 500 to ...
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1answer
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Do we have failed transactions in bitcoin?

I was checking the failed transactions and gas used in Ethereum: https://blockchair.com/ethereum/transactions?q=failed(true) Do we have similar transactions in bitcoin that I can compare with?
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Why can't default minimum fee rate be changed to 0.1-0.2 sat/vByte?

Main question (focus on this incase you are looking to close it as "needs focus"): Why can't we change default minimum fee rate to something below 1 sat/vByte? It was done in past: https://...
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818 views

Mining Pool hub support cpu miner?

I have a simple/old CPU (like dual-core/Quad-Core) with unlimited electricity and all the other stuff. I would like to run 10 PCs with CPU mining. It's better to mine solo or the join mining pool hub? ...
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If only one Bitcoin miner gets the block reward, is it worth mining only for the transaction fees as a (not-so-competitive) solo miner?

I have heard (but not that knowledgeable) about mining-pools. If a weak system joins the pool, it has a chance to get a portion of the block reward, but I assume that not all of the miners are joined ...
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Do mining pools expose attempted nonces to the public?

Do mining pools expose attempted nonces to the public? I would think no because it would be counter competitive. I can let a giant mining farm tell me what nonces not to use. But let's say the nonces ...

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