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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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How does a full node benefit from receiving a block with a version number in its header?

Block headers are special because they're synced by SPV wallets. They're also part of the mining algorithm used by miners, which can enable controversial things like ASIC boost. However, in the case ...
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Do pool operators usually set block version numbers before their clients hash?

I know that pool operators have the power to modify the actual transactions in a block. I also know that pool operators can decide on block transaction orderings and even commit double spends pretty ...
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What clients use version number “2” and version number “1” in their block headers?

Is Bitcoin Core the only protocol that uses these version numbers? Does anyone know what ABC and Unlimited use? Is there a place where I can see the raw version numbers for each client easily?
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Why dont' nodes change the block version number when the nonce overflows?

After computing 4 billion nonces, the miner is supposed to update the merkle root. Why don't they choose a new nonce and assign it to the block version number and begin again? It would save time and ...
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If transactions are changed in memory how miners know it?

If Alice requests something to bob, then Alice sends her public key and Bob encrypts message by using Alice's key. Bob uses his private key and hash function to make a signature. After finishing this ...
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Can the fees in a coinbase be used to launder Bitcoins?

Generally Bitcoins coming from a coinbase are considered clean as they are newly generated. However while answering this question I realized that mining pools could offer to launder Bitcoins in the ...
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Locating Bitcoin mining activity

There is any systematic way to locate Bitcoin mining activity (either block creation or node activity). I stumble upon with Bitnodes code which implements a recursive search using some nodes as "seed",...
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How to run a private bitcoin network with low difficulty?

I want to test and develop an open source mining pool. I don't have access to an ASIC miner or GPU, so I have to use my CPU to simulate mining and see how the pool really works. The problem is the ...
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minimum hash rate of a pool to earn a reward

how much minimum hash rate of a new bitcoin pool should be to be able to compete with other pools to earn a reward? how can I calculate that value? any help appreciation
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Can I mine bitcoin testnet coins with my regular bitcoin asic miner?

Is it possible to use my bitcoin asic miner to mine testnet bitcoin coins? Is there special software I need? can I join a testnet pool or is there even such a thing?
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Is there a way that we can report a Bitcoin scam?

Good day Is there a way that we can report a Bitcoin scam? I was recently scammed over R200000 therefore I would like to report the person and the platform to alert people of her fraudulent platform.
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mining pool hub working but there is no active

i try run mining with Ethminer fork. and with version 0.18.0 -alpha.3 mining is correctly working. i'm waiting 10 minutes, and looking monitoring page on mining pool hub, but overview's hashrate is ...
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Setting a wallet address in “antpool.com” mining pool?

In www.antpool.com after creating a Sub-Account, when I put a BTC wallet address (created by Bitcoin.com wallet application) and click on save button, then I receive the following message, but I do ...
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Hash rate of “Antminer S9” in “Antpool.com” is ZERO

I setup an Antminer S9 using this document: (Link to document). And I configured connection to antpool.com using this guideline: (Link to guideline). So, I filled out the fields as follows: Pool 1: ...
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can one verify with certainity that pool is not cheating?

Can miner validate with 100% certainty that pool operator is not cheating like claiming that your share is smaller compared to other participants? i.e. telling you that your share is smaller than what ...
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1answer
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Do you start from the LAST NONCE to find the correct HASH to solve Hash Puzzle in Bitcoin Mining?

I'm reading the example of the simple proof of work algorithm from here: https://www.oreilly.com/library/view/mastering-bitcoin/9781491902639/ch08.html#pow_example_outputs In that example, the nonce ...
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1answer
79 views

Unomp does not support asic boost

I setup my unomp server and connect a cpuminer/minerd to it to mine bitcoin. Everything works like a charm. Then I connect my INNOSILICON T2 to it to mine bitcoin, it gives the following error: [2018-...
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What happens when I restart my asic miner?

I'm new to mining bitcoin with asic miner. My question is, what happens when I replug my miner? I have connected it to a pool. And when I replug it, the pool is showing that I stoped mining.
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How does MPOS communicate with stratum server?

I'm setting up MPOS. There are 3 stratum server options: stratum-mining, NOMP, and CoiniumServ. How does MPOS talk with stratum server? AFAIK, MPOS does not speak stratum protocol. Is it through the ...
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1answer
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Mining Pool Hub // Shares? (New Miner)

So I have 13 Total Shares (Non Rejected) and my pool is Mining Pool Hub. It does not show that I have gained any Ethereum when I go to Dashboard (Under Ethereum) on Mining Pool Hub. Do accepted shares ...
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1answer
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Do you really need more than 50% mining power in order to attack Bitcoin blockchain?

My question is about concept, so code is not related, however, do you really need 51% of the mining power in order to attack/replace the real bitcoin Blockchain? For example, a blockchain has a ...
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1answer
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Do pools distribute “jobs” to miners based on “failed” solutions which have already been submitted?

My question is this: How exactly does the stratum protocol distribute "work" to miners? More specifically, since mining can be compared (in many regards) to "brute forcing" a cryptographic hash (i.e. ...
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Is this article wrong/scammy? Is it possible that miner earn more by mining several different coins at once through minergate?

https://ambcrypto.com/mining-in-the-bear-market-made-easy-fast-and-cheap-with-minergate/ This one claims they can mine more efficiently by mining several coins at once. I have a hard time believing ...
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Slushpool Miner Hashrate always Lower than Local Hashrate

A Short Story There is an Antminer server farm I provide support for with over 100 BC servers—mainly S9 and T9 models. There are three specific S9 miners that are side by side right next to each ...
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1answer
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Does submitblock require the wallets private key?

I would like to know if invoking the submitblock RPC is supposed to work if the daemon that handles the RPC does not have the private-keys for to the coinbase output address?
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How to implement difficulty calculation in my code [duplicate]

So let's say we have to produce a hash that start with "0000" I hash a block over and over by changing the nonce inside it. Eventualy I will find a hash that start with "0000". What is difficulty ...
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How can I find real man for bitcoin mining investment? [closed]

can anyone help me for find a real people? Where I can invest for mining, because i lost lot of money before. Someone scamming with me. Thanks
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mining: losers get nothing?

if the winning miner takes the 12BTC+fees, unless you own the biggest mining operation out there, or are not a member of the biggest pool, why bother mining, if there is no prize for second place? ...
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1answer
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Transaction is not Picked

I am new to block chain technology. I am struggling to understand below concepts: What if my transaction is not picked by the miners and what is the criteria for miners to pick? How can I rely on ...
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2answers
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How do mining pools connect to the Bitcoin network and miners connect to pool?

I couldn't find the answer anywhere so I start a thread. How do mining pools connect to the Bitcoin network to propagate transactions and blocks? Do they run their own full node? If yes, how many of ...
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2answers
64 views

Ttransaction validation in the bitcoin blockchain

I am confused. What is exactly a validation of transaction in the bitcoin block chain? Please correct me if I am wrong. I know we need 6 minner to validate our transaction and those 6 minner check ...
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1answer
40 views

Bitcoin blockchain minner

Q. Is it correct to state that a Bitcoin miner has only two jobs: validating transactions creating a block to add into the blockchain
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Partial Proof of Work in Pools

Technically speaking a full PoW solution is one whose hash value is below a certain threshold value say V. It is not equivalent to saying that the hash value must begin with say X number of zeros (...
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1answer
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I am web developer, can i use my working pc to mine and work at same time? [duplicate]

Guyz, i am a web developer, i have single pc but i am thinking to add a good GPU in it, my question is that if i add good GPU, will i be able to mine crypto currencies like BTC/ETH and work on my pc ...
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1answer
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How to send small amount of BTC to thousands of addresses? [closed]

I'd like to create a pool of addresses using Blockchain.com API. But because of the gap limit on unused addresses I want to transfer minimal amount (ideally 1 Satoshi) and without any fees. What's the ...
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Rules of the mining pools for mining software and weight blockchain Litecoin [closed]

What rules must a mining software fulfill in order for a pool to allow mining with the ?, example of a pool please. How heavy is Liteco's chain of blocks at this moment or where can I consult it?
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1answer
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Blockchain Wallet

I had a gentleman contact me about mining using his miner through his so called company. If the company created the wallet using my email and then I receive an email to verify the wallet has been made ...
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How can i get in touch with a miner [closed]

Please can someone help me get in touch with a miner, i am trying to recover my bch sent to a segwit btc address.
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1answer
206 views

How are nonces decided in mining?

I know that when I create a new block in a Bitcoin network, I change the nonce value to generate a block. The question is, do you randomly assign the values you assign to nonces? Or do you start with ...
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1answer
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I got a coinbase transaction and I don't know where it comes from

I received a small payment from a coinbase transaction, but I haven't been mining nor I have signed up on a mining pool. Does this happen when someone accidentally sets my address instead of theirs ...
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1answer
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Do miners receive a reward when solving the hash for the next block or when validating the block, or both?

Let's say I want to make a transaction to my friend Bob. When I send 10 BTC to Bob, a transaction is signed with my signature and sent to the network. What happens next? Do miners check if this ...
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Does PPS reward depend on specific block difficulty?

How is reward per share calculated on PPS payments system? Does it depend on specific block difficulty or average difficulty per day/week/month used? If I have mined two successive blocks with ...
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1answer
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Funds disapprearance [closed]

I stored 0.0154 BTC in my blockchain for mining purposes and next morning I found my balance to be 000, what does that mean? Are my coins lost or stored somewhere else?
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Could mining centralization be countered by checking if the node connects to many ASICs instead of one?

In a mining pool, many ASICs and GPU/CPU from all around the world connect to the pool's node. Is it possible to force every node's client software to check if a node is connected to just one ...
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1answer
76 views

How did Extranonce2_size change?

From stratum,I know that the coinbase is composed of "Coinb1 +Extranonce1 + Extranonce2 + Coinb2". How did Extranonce2_size change ? Will the Extranonce2_size change when I connect to a pool?
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1answer
737 views

What is the difference between PPS+ and PPS?

Some pools do offer such a payment method as PPS+. This method is claimed as better than the PPS method, it should insure against losses on orphans and blocks with bad luck. But this explanation is ...
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Does xmr-stak use Stratum?

Using Wireshark to analyze packets sent by xmr-stak, I found them to be inconsistent with those of Stratum (https://en.bitcoin.it/wiki/Stratum_mining_protocol). From Wireshark: { "method": "login",...
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Do we Need Pay Tax for Mining for US Govt

Do you need to pay Taxes for US Govt for doing Bitcion Mining.?? I am in Singapore and mining through one of my friend in US. Will the US Governement will issue TAX on My Name..?? Is it Legit ..? ...
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How to prevent 51% attack on newly created coin [duplicate]

I am interested how bitcoin managed to prevent 51% attack in the beginning? I am about to create my own coin and i want miners to mine blocks. but The problem is I am afraid  51% attack might destroy ...
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Why not to mine more efficient?

I'm a kinda newbie here. But this is what I completely can not understand. If every single miner have to 'arrange' transactions and then compute a SHA-256 function of a given memory chunk, and if ...