Questions tagged [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. Use this tag when specifically asking about operating a mining pool or about pooled mining but not other forms of mining.

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Do all candidate block create Block header

I am learning Blockchain. I want to know that whether every candidate block first create Block header and then proceed to work on finding nonce or the block which suceeds in finding nonce first ( &...
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My USDT transaction unconfirmed in blockchain network from past 60days [closed]

My USDT transaction withdrawal successfully completed at withdrawal platform but unconfirmed in blockchain network from past 60days anybody can mine that transaction please help me
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Nonce and joy of mining [duplicate]

How do bitcoin miners ensure they do not overlap work with other mining pools / workers. It seems it would be a big waste of energy to be reiterating nonces used in other pools. I know the coinbase is ...
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How can I start my own Bitcoin mining pool?

How can I create my own Bitcoin mining pool using Ubuntu AWS server? I came across several tutorial on the internet, but they seem to be outdated. https://docs.qwertycoin.org/mining/creating-a-mining-...
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How are transaction fees split in the network?

How are transaction fees split in the network, do all the transaction fees go directly to the miner or is there any kind of percentage of fee allocation to peers/validators for relaying transactions ...
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Where on the web can I find a Stratum protocol specification document?

I am writing my own mining pool server for Bitcoin and would like to work with a detailed and complete specification document for the Stratum protocol. There are documents on the web that casually ...
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What are the incentives behind mining different coins (i.e., profit-switching)?

Consider for example BTC and BCH (and possibly BSV) that are coins with significant market capitalization and share the same algorithm (SHA-256). We observe: (i) Large miners (or mining pools) divide ...
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Why would users want to submit a transaction directly to a specific miner?

I am wondering why some users are interested to send their Bitcoin transactions to a specific miner? This should increase the delay because of waiting for the specific miner to win. Are there any ...
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Got an old Beefy Machiney, Got wallet, how do i mine? [duplicate]

Got a 1080ti (an oldie) want to mine, know there are ways to do it, ideally i would like to be part of a pool, what can i do?, got wallet, know how to use nicehash (not downgrade however, scared to do ...
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What are bitcoin Pool APIs?

I contacted a website and asked them where they get their data for crypto like Bitcoin, as I am trying to find the place for the most up to date and reliable data on Bitcoin and other crypto. They had ...
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When do miners add a new block to blockchain?

I'm a bit new to blockchain and I am trying to understand. As I understand when a new transaction happens it's added to a mining pool and miners prioritize these transactions (for example by amount of ...
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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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Are there still mining pools that accept nonstandard transactions?

In the past there was Eligius pool that accepted nonstandard transaction and ones below relay fee. i am not asking for the second thing but are there any mining pools today that accept nonstandard ...
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Is there a way to know how good a miner is choosing its transanctions to be mined from a fee maximization point of view?

Well, this is the way I've tried: When a mined block arrives to my node, I compare it against a transaction selection algorithm using my mempool. (I know my mempool it's different than the miner's one,...
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Are mining pools scalable? Can you split the block reward across a very large number of pool members?

Let's assume the number of individuals that join mining pools grows by a lot. Let's say we have one mining pool with 50,000 members. The pool is successful and receives a block reward. The next step ...
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Can someone explain easily what pool-hopping is and explain proportional system? [duplicate]

I've been reading several articles but still can't understand the concept of pool-hopping. How are the shares distributed in the proportional method that is vulnerable against pool hopping? How are ...
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Whatever happened to Bitcoin miners mining additional coins in combination with Bitcoin mining like pre-2015?

Back in the early days of Bitcoin mining, many people were dual mining namecoin with bitcoin and some other coins. Why don't we hear anymore of this dual mining functionality in 2021+? What were some ...
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What's the point for mining pools to set a higher target?

I'm reading the Mastering Bitcoin 10th chapter, and quote Similarly, a mining pool will set a (higher and easier) pool target that will ensure that an individual pool miner can find block header ...
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What would happen when transaction and orphan pools is full?

Since mining nodes has memory limitations, what would happen if transaction and orphan pools is full? If the nodes need to drop certain transactions, how does the nodes choose which transaction to ...
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Miners setting locktime in coinbase transaction

Some coinbase transactions have locktime values set. One such recent example is: { "txid": "5166cb509a5d786db33963a269ea08ff82a1c40d37d4fb828a394b0465cd5efd", "hash": ...
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Information available to bitcoin miners in processing transactions

I'm very new to Bitcoin, and in my learning process I came across this site: https://mempool.observer/ which shows the varying amounts of unconfirmed transactions waiting to be mined. I'm learning ...
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How bitcoin miners choose timestamp in block header when mining?

I did a statistic about the difference between the first announcement time in the network and the timestamp in block header for blocks within 2020. Surprisingly, most (93%) differences are less than ...
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I've built a bitcoin miner and mined. Now what I do?

I've mined bitcoin to test and understand cryptocurrency better. Which generated this hash 00000431fb66ed96815b3829e975c2235a64b9a646c0bd1cc526dc1727c1f16b(nonce value of 300712) What I do with this ...
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How can i find out if i am part of a mining pool is it possible by entering ip into any commands in console,

In my wallet.dat i have various encrypted data suggesting that i am some part of a pool would there be any way of finding out ,via ip/node/commands.
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How do you pay cryptocurrency miners? [duplicate]

I understand that miner A confirms a transaction and is then paid a certain amount of bitcoin. But is it not that other transaction? That is, someone pays miner A then another miner B has to confirm ...
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Communicating with mining pools

if I designed my own ASIC machine, what is the easiest way to connect it with the mining pool? I was searching but couldn't find any pool that has an API to communicate.
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Open source bitcoin mining pool software

We want to setup a bitcoin pool using miningcore, however they have a 0.1% dev fee and they deserve it. However we want to build a pool w/o pool fee. Is there any other option for pool software?
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How do mining pools ensure pool members don't cheat?

If I understand well, when being part of a pool, you are asking to solve problems that are easier than the real one, typically finding a hash starting with n zeros instead of n+1 or something. And you ...
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Questions on Merkle root hashing for Stratum pools

These questions are partially inspired from this post on Merkle root hashing by pool operators. My understanding is that for Stratum mining the only hashing the pool has to do is produce the Merkle ...
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cgminer - How to stop mining from CLI?

I have been doing some scripting to help control my mines a little more effectively, but I seem to be unable to find the simple command to stop cgminer from mining (analogous to clicking "Stop ...
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Can I mine with my laptop? [duplicate]

I'm not very knowledgeable about crypto, but is there a way I could connect to the internet and use the gpu in my laptop (Nvidia GeForce 940M) to mine? I'm not familiar with the terminology, but is ...
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What hardware do pool operators use for calculating the hashmerkleroot?

I've reviewed the response here: How do pool operators do their hashing? and acknowledge that the ratio of hashing required by pool operators is incomparable to the miners. I still wonder what ...
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Some questions about specifics on bitcoin mining

Most people mine bitcoin by launching a software on their PC or buying a special miner, both of which abstract out the nitty-gritty of how the mining process work. I am curious however about some ...
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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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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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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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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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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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