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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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cgminer always discards work

i have tried a few different pools but cgminer always discards work: Pool: stratum+tcp://us-east.stratum.slushpool.com:3333 Work templates received: 31 Share submissions: 0 Accepted shares: 0 ...
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12 views

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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19 views

How is difficulty calculated for miners?

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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1answer
35 views

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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22 views

Decentralised Partial Proof of Work Ideas

In the mining pools, the miners are supposed to submit shares for partial PoW. Put in another way, by solving an appropriately simpler puzzle instead of the puzzle with the true difficulty, they can ...
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2answers
34 views

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
22 views

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
31 views

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
32 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
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Bitcoin blockchain minner

Q. Is it right that minner has only two jobs. 1. validating transaction 2. creating a block to add in the blockchain.
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1answer
44 views

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
28 views

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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19 views

Miner quota settings doesn't work as expected

I'm using and antminer s9, with bmminer software. It is based on cgminer, and has an option for --load-balance strategy. If i understand correctly, what this strategy does, is it gets and sends ...
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1answer
45 views

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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0answers
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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
30 views

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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0answers
44 views

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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20 views

discerning the location of miners

For a given mining pool, is it possible to learn the distribution of the countries in which miners are located? My understanding is that while it is possible to identify the locations of bitcoin ...
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29 views

SHA-256 algorithm

I downloaded the SHA- 256 algorithms form the following link [https://github.com/progranism/Open-Source-FPGA-Bitcoin-Miner][1] The problem is that they use altpll IP which is an Altera mega function ...
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1answer
59 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
29 views

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
38 views

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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0answers
23 views

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
41 views

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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38 views

The difficulty of pool

When I connected to f2pool,I received the difficulty of pool(8192 decimal). How can I use this value to confirm the hash I calculated? Is this just like the solo mining? "current_target = ...
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0answers
31 views

The prevhash of stratum

I received the notification when I connected to f2pool. { "id": null, "method": "mining.notify", "params": [ "BAvw7mAiGPyP6kqdSoJ65a", "...
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2answers
35 views

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
52 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
282 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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1answer
53 views

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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1answer
25 views

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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25 views

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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1answer
52 views

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 ...
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3answers
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Why can't mining pools provide fake transactions within the generated blocks?

Suppose Alice wants to add a fake transaction where she receives X ammount of BTC. I understand that in order to add that transaction to the blockchain she would have to compete against all the other ...
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2answers
121 views

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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1answer
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Is it a problem that miners participate in a pools? [duplicate]

I am talking about miners centralization with large pools. Is it a problem? I think there are some possible ways to prevent miners from pooling. For example add miner signature to the block header, ...
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47 views

How does Bitcoin 0.16 affect mining pool development, especially the introduction of BIP173 (Bech32)

I am developing a Bitcoin mining pool . I am using getBlockTemple to get from Bitcoin node, the template including the transactions and default witness commitment. I am using the following options ...
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1answer
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nTime rolling is just an optimization for large/fast pools, correct?

Need to confirm my understanding of nTime rolling... It's used to give the miner more options to mine without needing to request more work from the pool, by incrementing the timestamp. However, given ...
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0answers
44 views

Is it possible to simulate a mining pool with localhost in windows?

All I want to do is run the miner in CPU (without mining any real coins, no online pool, and no wallet) without connecting to any online miner. I tried using XMRig miner to do a localhost run but ...
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2answers
128 views

getblocktemplate returns out of memory

I tried on a few different machines, vps etc. Also, few different altcoin litecoin included. Most were with 4 GB of ram, if this matters. Every time when I enter the command getblocktemplate , I get ...
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1answer
614 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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2answers
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Can I get the same stats as are on blockchain.info and btc.com by running a full node?

There seem to be some discrepancies between blockchain.info and btc.com, specifically I am looking to extract the following info: "Relayed By", there was a block that was listed as unknown on ...
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2answers
232 views

How to obfuscate public IP of Mining pool?

How to obfuscate the public IP address of a mining pool, to protect it against DDOS attacks? I have a yiimp mining pool running on a cloud server. I would like to secure it with HTTPS and anti-DDOS ...
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1answer
471 views

Does BTC.com support ASICBOOST

Does the www.btc.com pool support Asic Boost? Does it have to support it for me to use Asic Boost on it? If it doesn't support Asic Boost which pools do?
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1answer
38 views

Mining-your-tx as a Service?

When I'm sending my transaction, it's "competing" with other transactions for being mined. Are there any mining pools with the following service: I'm giving them my address I'm topping up my balance ...
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2answers
304 views

Bitcoin Solo Mining with bfgminer

I am trying to do solo mining with bfgminer but it does not seems to be working ./bfgminer --url 127.0.0.1:18443 --user test --pass test On bitcoind logs I can see the request logs 2018-05-14T10:...
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1answer
138 views

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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120 views

How much is a ZCash Share worth in ZEC on average?

I want to calculate how much a share is worth in ZEC on average. I have already looked at the answer of this question, but it seems that the answer there does not work for ZCash, hence my question. ...
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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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1answer
71 views

Is it possible to get rid of mining pools and therefore get a truly decentralized bitcoin?

There are some criticism that PoW of bitcoin and ethereum protocol suffers from the centralization of mining pools, and dPos such as EOS claimed to be more decentralized in practice than bitcoin and ...