Questions tagged [mining]

The process of using a computer to verify transactions on the Monero network. Mining helps keep the network safe, since it is unlikely that one person or group of people can control a large portion of the total mining power. Monero is mined using the RandomX algorithm, and it is mined with both CPUs and GPUs.

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Can't seem to reconstruct hashing blob for old block

I'm trying to re-construct the "hashing blob" for an old block and calculate the correct hash to validate some code, but I can't seem to get the correct results. I've confirmed (via unit tests against ...
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Can miners see sender's information?

The recipient cannot see the sender's wallet address, but can a miner see the sender's wallet address? Can the miners see the IP address of the sender? Moreover, what information of the sender can ...
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I can't tell if monerod is mining. Log says "idle percentage is 63%, miner percentage is 38%"

I want to turn mining off, but the log is still reporting a message that seems to imply mining is on: idle percentage is 63%, miner percentage is 38%, The .exe was executed with a --mining-threads 0 ...
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I want to mine Monero but I do not have money for a better GPU / equipment

I have a notebook. I want to mine with my GPU, but in the GUI, no GPU appears. My CPU is an i3 4th generation series U. How long can I be mining without damaging my CPU? My notebook has a GPU: AMD ...
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How does the miner know the public key for the signature in the block?

When a block is being processed by the miner he has to verify the signature by using the public key. How does the miner know about this public key? Is it included in the block data?
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CryptoNight detail. Why this kind of multiplication?

The Cryptonight description by the CryptoNote team states that The 8byte_mul function, however, uses only the first 8 bytes of each argument, which are interpreted as unsigned 64-bit little-...
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Where in the PoW block header is the variant version?

I asked this question: How do miners, connected to a pool via stratum, know when to switch PoW variant during a hard fork? Which was marked as a duplicate of this question: Can pool miners update ...
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Where does the actual decryption of the recipient stealth address occur?

I want to find out where in the code an output of Alice's transaction becomes Bob's money. Alice has 10 XMR, and she sends Bob 2 XMR, the tx looks like this - OUTPUT: #recipient output: first ...
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Can pool miners update early and then the pool software will automatically ask its workers for new POW when necessary?

Many people mine Monero in a pool. Monero has recently changed its proof of work, and it is about to do so again. There may be more changes to its proof of work in the future. When miners update ...
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When does validation of blocks occur

At what point does a miner validate blocks shared and created by other miners on the blockchain?
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Newbie questions about XMRig

Can one Monero wallet be used to receive results from XMRig installed on 20 (or more) computers? Should the json file on each computer contain the same data? May I use XMRig in Whonix? What the best ...
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What are the changes in CryptoNight v2 PoW algorithm?

According to the last Dev Meeting, PoW changes to the upcoming fork are almost finished. What exactly will be changed and how will it affect speed on CPUs and GPUs but also potential ASICs or FPGAs?
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I'm looking for a Monero miner written in Java

I'm looking for a Monero miner written in Java. Can anyone link me one?
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Is there any way to lower the difficulty in order to mine faster on a testnet?

I'm searching for a way to mine 60 blocks without the waiting time (or at least significantly reduce the time) on a testnet. Can it be done or will it affect other operations in the blockchain?
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Hardening a mining pool

I have setup a mining pool for a smaller project that uses Cryptonight variant 1. I have been running into problems with ddos attacks when other people started launching other mining pools. At first ...
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What is the current supply of wownero as of 2018-08-01

What is the current supply of wownero and mining reward?
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Step by Step tutorial to mine RandomJS on Wownero?

Is there a step by step guide on how to mine RandomJS on wownero since its the only monero clone that has randomjs implemented as of July 2018.
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What would happen if monero were to switch to RandomJS mining algo?

There seems to be talk of switching to randomJS for mining. What would this affect? Is there even a gpu miner for something like this and is it even gpu minable? What's so great about RandomJS vs ...
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Transactions appearing out of nowhere when running monero in local network

I've followed the instructions here to run monerod and monero-wallet-cli only on localhost. After I started mining, I noticed transactions showing up in my wallet: Height 350, txid <...
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How GPU gets its mining work and nonce range?

I tried to study source of both xmr-stak and xmrig to understand how it communicates with the kernel running on GPU, but both these softwares are too huge to understand (too many objects calling each ...
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error first running new monero fork build

I built a new Monero Fork. Trying to run it for the first time and getting errors: 2018-07-05 10:09:30.989 7612 ERROR cn src/cryptonote_basic/cryptonote_format_utils.cpp:167 Failed to ...
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Pre-Mined Monero Fork

I would like to create a Fork of Monero with a certain number of coins premined. I have tried to follow How would someone premine a direct fork of monero ( can it be done ) but it is incomplete. ...
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Exchange for Monero Fork

Once a custom Fork of Monero has been created, what are the steps for allowing "people" to be able to buy the currency online? Does an exchange need to be created or is it a case of approaching an ...
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Automate mining on windows

I am running mining on Windows 10 Pro in Microsoft Azure using MSYS2 MinGW 64-bit. My process to mine currently is: OPEN a MSYS2 terminal (lets call this MSYS2 A), navigate to appropriate directory ...
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Error starting monerod

When running ./monerod --offline I get the following output. Running on Windows 10 Pro in Microsoft Azure using MSYS2 MinGW 64-bit The error messages are in bold. monerod does not run. 2018-07-04 ...
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Mining from multiple servers to local wallet

I am mining using ./monerod on Windows 10. I have created a wallet using monero-wallet-cli. I want to setup more machines that run ./monerod. How can I set them up so they mine to one wallet and ...
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Pool mining to local wallet

Is it possible to use pool mining to mine to a wallet created with monero-wallet-cli stored on my local machine? If so, what is this minimum amount that needs to be pool mined before I will find a ...
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Monero hashrate falls dramatically on Azure Windows 10 Pro

I am mining Monero offline using ./monerod --ofline on a Windows 10 Pro virtual machine with 2 VCUs in Microsoft Azure. Mining is performed in M2SYS using the start_mining command with 2 threads (...
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monero-wallet-cli Error message: refresh failed

When I run *monero-wallet-cli * I get an error message. However, the Wallet does start. The code is being run in a MSYS2 MinGW 64-bit terminal on Windows 10 Pro. Another window is open running ./...
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monero-wallet-cli Remote Mining Intermittently works

I am mining Monero using Remote Nodes. To mine, I use the following command: sudo ./monero-wallet-cli --daemon-address eu.node.moneroworld.com:18089 --trusted-daemon The nodes are from moneroworld....
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monero-wallet-cli mining hash rate

I am mining from a Remote Node using monero-wallet-cli and using the start_mining command. How do I find out the hash rate? How do I maximise the mining to use as much of the CPU as possible?
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How to tell if start_mining is mining

When I type start_mining, there is no visible indication that anything is happening. Can anyone help with with advice on how to see a visual indication that something is happening? Note, balance says ...
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MoneroWorld Remote Nodes Not Working

I am mining Monero using Remote Nodes. To mine, I use the following command: sudo ./monero-wallet-cli --daemon-address eu.node.moneroworld.com:18089 --trusted-daemon The nodes are from moneroworld....
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No hashrate when mining with CPUminer

I've set up a monero-miner for my Raspberry Pi (for educational purposes) and when I run my miner deamon the log looks like: [2018-06-28 07:58:10] Using JSON-RPC 2.0 [2018-06-28 07:58:10] CPU ...
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Changing difficulty levels, pre mining etc of Monero Fork

If I have a custom coin based on a Monero Fork and want to change the setup e.g. difficulty levels, pre mined coins etc. As long as I keep the Genesis block the same, are there any implications?
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MyMonero wallet compatible with CPUminer/MinerGate

I followed the tutorial on https://www.electromaker.io/tutorial/blog/cryptocurrency-mining-on-the-raspberry-pi-60 (mining monero obviously) and everything worked well... Code is compiled and can be ...
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Mining a custom coin based on Monero

I am creating a custom coin based on Forking Monero. Once the build process has been completed, how do I go about actually mining the coin? Is it possible to modify XMRIG to do this? https://github....
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reject reason: Low difficulty share

I've researched the forum and google and it says this means I am using the wrong algorithm, as far as I know graft (v8) works with monero right ? This is my first time mining using ccminer and the ...
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2 votes
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A simple hashrate test in web browser

I'm trying to make a webpage that when the user goes to the page and presses the test button it will calculate the current user's hardware hashrate and return the average hash rate for that hardware. ...
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2 votes
1 answer
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How does nicehash perform share validation?

I'm talking about two services: NiceHash and MiningRentals and CryptonightV1 algorithm (which they call CryptonightV7), for example. Let's suppose someone trying to fool one of them and: Miner (...
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Cannot build OpenCL program for GPU 0

Everything i try to mine with Claymore I get these errors and hashrate is 0. Have tryed also zcash and ethereum. ╔════════════════════════════════════════════════════════════════╗ ║ Claymore'...
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Why are there transactions in the Mempool that are invalid or over 50 hours old?

Checking xmrchain.net I noticed some very old transactions in the mempool. The oldest is over 70 hours old. It has a ringsize of 5 - how is that even possible? Are transactions not validated before ...
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How to simulate (or set up) localhost as a mining pool for XMRig miner?

I am trying to run Xmrig miner to run without connecting to an online mining pool. Is it possible to simulate a mining pool (authentication and wallet) using localhost in windows? My goal is not to ...
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Is more cores or more RAM better for mining?

I'm trying to optimize CPU mining on a VPS. I'm wondering if you have any clue about this? Is it better to have more cores as RAM is not important (so just keep 1 RAM but not more), the other way ...
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2 votes
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Password to join xmrpool

Question might seem silly, but I'm so lost on this part! Here's what happened: I followed this tutorial to start mining. Everything is going fine, so I wanted to log in XMRPool. I read the "Get ...
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3 votes
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Seeking to port XMR to PPC64 - PlayStation 3

Can any one point in the right direction to research, develop, and read up on coding assembly for Monero. I've tried running various distros on the PS3 with no luck. CMAKE has to be up to date to a ...
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create a coinhive fork

I want to create my own coinhive clone. What do I need to start my own service like coinhive? I know that I need the following: -blockchain (serverside) -javascript miner (clientside) -pool what else ...
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1 vote
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Multiple CPU miners with low hashrate vs single CPU miner with high hashrate

I looked at the Monero algorythm (unfortunately not fully understood) and wonder if I could increase the probability of hitting a block with multiple CPU miners (low hashrate - for example 10 x 200h/s)...
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What's the purpose of email address in pool mining config?

First time setting up monero miner, I see pools require wallet address, worker name and email address. What's the purpose of this email address? Nanopool's help page says YOUR_EMAIL - your email ...
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How to run xmr-stak with AMD gpu on Ubuntu 18.04

I have tried several attempts but without success. AMDGPU-PRO 17.40, 17.50, Oibaf PPA and something more, but nothing makes clinfo gives right results and xmr-stak working. Any ideas?
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