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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 on the CryptoNight algorithm, and it is mined with both ...

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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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36 views

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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35 views

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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1answer
45 views

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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2answers
377 views

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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56 views

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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2answers
32 views

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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1answer
63 views

Hardening a mining pool

I have setup a mining pool for a smaller project that uses cryptonightv7 I have been running into problems with ddos attacks when other people started launching other mining pools. At first it was ...
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1answer
67 views

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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2answers
123 views

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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1answer
98 views

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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3answers
71 views

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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1answer
71 views

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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1answer
77 views

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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70 views

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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1answer
35 views

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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1answer
52 views

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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2answers
39 views

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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2answers
43 views

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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1answer
63 views

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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1answer
106 views

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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1answer
91 views

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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1answer
69 views

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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2answers
61 views

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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1answer
51 views

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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1answer
203 views

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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2answers
74 views

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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0answers
46 views

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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1answer
43 views

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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1answer
44 views

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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2answers
436 views

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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2answers
240 views

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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1answer
62 views

How does nicehash perform share validation?

I'm talking about two services: NiceHash and MiningRentals and CryptonightV7 algorithm, for example. Let's suppose someone trying to fool one of them and: Miner (seller) tries to fool pool (buyer) ...
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0answers
97 views

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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70 views

How and where to provide test hash input for XMRig Monero CPU miner and make the cryptonight algorithm to run?

I checked our this Monero hash test in this post: Where can I find some test inputs and outputs for the CryptoNight (Monero PoW) hash algorithm? This site has test hash inputs: https://github.com/...
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1answer
62 views

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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1answer
134 views

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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2answers
132 views

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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1answer
72 views

Password to join xmrpool

Question might seem silly, but I'm so lost on this part! Here's what happened: I followed this tuto to start mining. Everything is going fine, so I wanted to log in XMRPool. I read the "Get started ...
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74 views

Trying to start Monero Solo mining and get generic error

I just wanted to try and see if my pc could even mine and if so, how good would it be. Because it is all I can afford. I have a AMD FX837-CPU with 32 gig of memory. I have the Monero wallet open and ...
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2answers
191 views

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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1answer
145 views

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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1answer
84 views

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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1answer
103 views

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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4answers
1k views

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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119 views

Xmr-stack crashes after connecting

I am using the xmr-stack version found on Nanopool but I can't mine Monero because of this error : "[CUDA] Error gpu 0: :365" I tried to decrease the threads number in my nvidia.txt file and to ...
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1answer
94 views

Create monero browser mining module

I am a young programmer, still in college, interesting in creating a universal plug-in in python that I can apply to a few applications I have created. I would like to develop a python3 module that ...
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1answer
77 views

is the Bitmain X3 compatible with Monero

Will Bitmain X3 be able to mine Monero?
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754 views

How to mining on Ubuntu 18.04 with AMD cards

The new Ubuntu system is about to be released, how could you set it to mining Monero with AMD cards? AMD new drivers on the horizon?
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1answer
101 views

How do miners attempt to avoid duplicating nonces of other miners? Do they try?

In a very general sense, most people who know about cryptocurrency mining understand that for every block in a proof-of-work blockchain there is a new "challenge" for the miners, and that challenge is ...