Bitcoin virus. Main types, distribution techniques and ...

Planning on solo mining with a simple USB miner

I'm planning to get me a simple USB miner, and do some solo mining. Why ? I know, seems like mission impossible to get a block right ? But it would be like winning the lottery. And that's how I look at this little project right now: it's like buying a lottery ticket, and every 10 minutes or so, I just might win something ;-) Not sure wich one I would buy yet, but I think an Antminer or so would do just fine. So If anyone has one for sale, I just might be interested ;-) And if more people would join me on this quest, I think this would be a good thing for the whole "OMG GHash is about to reach 51%" thing.
If usb miners came with a simple setup wizard that would install the Bitcoin core client and set up solo mining, that would be awesome. Don't know if it's possible, but if it were possible to mine with a light client like Electrum, than the user could have the option : either install the core client (and hereby support the node distribution.. also something that might be solved by this), or install a lightweight wallet and just start mining. The whole problem with mining now is that it's getting more and more commercial: for individuals is almost pointless right now : no matter what hardware you buy, the return on investment is close to infinity (if those online bicoin mining calculators are correct). Only big players getting discounts for hardware and power can play this game. But if people would treat this as a lottery, and setup would be simplified with a simple install wizard, I'm hoping more people would join the mining game ;-) Power in numbers :-)
Edit: just bought 2 antminers for the price of 1 lottery ticket ;-)
Edit2: for those interested, seems like a while back someone had the same idea ;-) He wrote a setup-guide on bitcointalk : https://bitcointalk.org/index.php?topic=315477.0
submitted by amanobtc to Bitcoin [link] [comments]

Raspberry Pi + ASIC defcoin mining guide

Want to get started mining defcoin with an ASIC and a Raspberry Pi? Does 360 KH/s of mining power sound appealing? Here’s how to do it.
https://pbs.twimg.com/media/Blpj8IvCcAEIStY.jpg
1) Hardware List
-Raspberry Pi Model B
--SD Card
--Micro USB power supply
--Ethernet cable
-Gridseed ASIC
--12V power supply (5.5mm/2.5mm barrel connector)
--USB to Mini USB data cable
The main component is the Gridseed ASIC, which will be doing the Scrypt calculations. The Raspberry Pi will be used as the controller for the ASIC, and will be doing the communication with the mining pool. If you’re not familiar with the term, an ASIC is an Application-Specific Integrated Circuit - basically a chip with a single purpose, like mining crypto currency. Using an ASIC will allow us to mine more efficiently than we would be able to with general purpose hardware.
The ASIC that I’m using is a “300+ KH/s Single Gridseed ASIC Miner”. It looks like a CPU heatsink with a fan attached. There is actually a circuit board with 5 ASIC chips sandwiched between two halves of this heatsink, and has a mini USB connector and a power connector sticking out the side. There are a few places where you can buy these. I bought mine at GAWMiners.com for $130. That was the lowest price that I could find, and I had a good experience buying from them. Use this link, and you can get $20 off of a $200 order (and give me some referral points :-)) GAWMiners. You can also find other vendors by searching for “Gridseed ASIC”. You’ll need a 12V power supply to power the ASIC, and a USB A to USB Mini B cable to connect the ASIC to the Raspberry Pi. I’m using a 60W power supply, which seems to be working fine for defcoin (Scrypt) mining. These ASICs can also mine Bitcoin at the same time, but you may need a beefier power supply if you want to do that.
The Raspberry Pi can be purchased at any number of places- Amazon, SparkFun, AdaFruit, etc. I’m using the Model B because I had one already, and also because it has a built in ethernet port that will make connecting to the internet easy. Make sure to get an SD Card and a micro USB power adapter to get the Pi up and running too.
2) Software
If you haven’t already, download the defcoin wallet from defcoin.org. If you want to do pooled mining, create an account for one of the defcoin pools, such as redbaron.us or whichever other pool you want to mine. Once you’ve created a pool account, make sure to create a worker too (for MPOS pools, that will be under My Account > My Workers). The password for your worker does not have to be the same as the password for your pool account (and it probably shouldn’t be).
Next, download the latest Raspbian image from raspberrypi.org/downloads/ and install the image to your SD card. Instructions for installing the image can be found here. If you are using the dd method on a Mac, make sure to use /dev/rdiskX instead of /dev/diskX - both will work, but rdiskX is much faster. Once you have the image installed, put the SD card in the Raspberry Pi, connect the Pi to your network, and connect the Pi to your micro USB power adapter to power it on. Next, SSH in to your Raspberry Pi with the default username and password pi/raspberry. I use nMap to find the IP address that has been assigned to my Pi. You can also use an HDMI display and a USB keyboard to log in instead of using SSH. After logging in for the first time, run through the wizard that comes up to configure your Raspberry Pi. The defaults are fine for most things, just make sure that you don’t skip the step to expand the filesystem to use the rest of your SD card. If you don’t expand the filesystem, there won’t be enough space for other software.
Once you have Raspbian installed, and have gotten through all of the first login setup stuff (which will likely end with a reboot), log back in to the Raspberry Pi with the pi user. From the command line, run sudo apt-get update sudo apt-get dist-upgrade
There are some stability issues with USB communication between the Raspberry Pi and the Gridseed ASIC. Enabling SLUB debugging seems to resolve this, at least well enough to prevent the Raspberry Pi from freezing every so often. Open the /boot/cmdline.txt file, and add the following text to the end of the line. Don’t add a new line, just add this to the end. You can use vi, nano, or whatever your favorite text editor is to do this.
slub_debug=FP 
Reboot the Raspberry Pi once you’ve added that flag to your /boot/cmdline.txt file.
sudo shutdown -r now 
Log back in with the pi user once the Raspberry Pi is finished rebooting.
The mining software that we’re going to use is a customized version of cgminer that has support for the Gridseed GC3355 chips that are used in our ASIC. There are a number of different mining programs out there, this is just what has been working the best for me so far. First, install git and dependencies needed to compile cgminer.
sudo apt-get install git build-essential libtool libcurl4-openssl-dev libncurses5-dev libudev-dev autoconf automake 
Next, clone the git repository for cgminer-gc3355
git clone https://github.com/dtbartle/cgminer-gc3355.git 
Next, we’ll build cgminer.
cd cgminer-gc3355 autoreconf -i ./configure --enable-scrypt --enable-gridseed make 
Once the make command finishes, we’re ready to run the mining software. You can also run make install if you want to install the software, but running it out of the build directory works just fine. Plug in the power supply for your ASIC, and connect the ASIC to it. Connect the USB cable to the ASIC and to your Raspberry Pi. Run the mining software by running the following command. The -o option specifies your pool URL, the -u option specifies your username and the workername that you set up for the pool, and the -p option is the password for your worker. There are a couple of options available that are specific to the gridseed ASICs, and those will be placed after --gridseed-options. The freq=850 option sets the clock frequency of the ASIC to 850 MHz. There are other clock options available, but 850 seems to be working best for me. I was getting hardware errors at 900, and a lower average hash rate. I am getting about 360 KH/s with the clock frequency set to 850.
sudo ./cgminer -o stratum+tcp://www.redbaron.us:3333 -u Username.Workername -p yourworkerpassword --gridseed-options freq=850 
This command needs to be run with sudo in order to access the USB hardware. You can also create another user specifically for mining, or grant the pi user the appropriate permissions if you don’t want to run cgminer as root. When you run this command, you should see output from cgminer showing that it is communicating with the mining pool, and something showing your hash rate. If you’ve gotten this far, and you’re seeing output from cgminer showing a hash rate, congratulations, you’re mining defcoins with your ASIC! There are just a couple more steps to do if you want to let your Raspberry Pi and ASIC continue mining without needing you to be logged in.
To keep cgminer running after I log out, I am using nohup. You could also use screen instead of nohup. Create a script (startMiner.sh) by running the following commands.
echo “nohup /home/pi/cgminer-gc3355/cgminer --real-quiet -o stratum+tcp://www.redbaron.us:3333 -u Username.Workername -p yourworkerpassword --gridseed-options freq=850 &” > /home/pi/startMiner.sh chmod a+x /home/pi/startMiner.sh 
If you run this command with sudo startMiner.sh, cgminer will run in the background, and will continue running after you log out. If you want to have this run when your Raspberry Pi boots, modify your /etc/rc.local script so that it executes this startMiner.sh script. Your /etc/rc.local file will end up looking like this:
# Print the IP address _IP=$(hostname -I) || true if [ "$_IP" ]; then printf "My IP address is %s\n" "$_IP" fi /home/pi/startMiner.sh exit 0 
That’s it! You should now have a Raspberry Pi controlling a defcoin mining ASIC, that starts mining as soon as it boots up. For more reading, check out some of the links below.
Gridseed GC3355 5 Chip Setup writeup on bitcointalk
cgminer-gc3355
Crypto Mining Blog
GAWMiners
raspberrypi.org
There are also some pre-built images for using a Raspberry Pi as an ASIC mining controller. I haven’t tried any of these myself, but they could be worth checking out. Raspberry Pi Controller Images with Gridseed ASIC Support
submitted by _RedBaron_ to defcoin [link] [comments]

How to Nvidia GPU mine ReddCoin on Windows

I thought would put together another tutorial for anyone looking to get started with mining ReddCoin's. it is a bit of a plug for my own mining pool rdd.surmine.com, but you're free to mine of another pool, the process is pretty much the same.
Once broken down into individual parts the whole process is quite simple and should only take less than half an hour to start mining.
The process can be broken down into the following stages:

Stage 1: Setup ReddCoin Wallet

  1. Goto reddcoin.com , click on "Wallets" then click "Windows", save the zip file to your PC.
  2. Once Downloaded, open the zip file, within that go into the ReddCoin folder then "32", launch the ReddCoin setup .exe and you will be presented with the ReddCoin Setup Wizard. Setup Image 1
  3. Click Next and leave the Destination folder ( you can customize the destination if you like) Setup Image 2
  4. Click Install. Setup Image 3
  5. Once the package is installed click Next then and Finish. Setup Image 4
  6. On launch you may get a firewall error, Click Allow access. (Only enable Public networks is you have to )
  7. Your ReddCoin wallet is now running. It may show "No block source available" in the bottom left corner, give it 15 mins and it should connect to the network, if not check your firewall settings. Once you see "Synchronizing with network" in the bottom left you know you are good. Setup Image 5
  8. Click the Receive tab and write down your ReddCoin address, this is your address to receive coins. Setup Image 6

Stage 2: Create Mining Pool account.

There are multiple pools you can choose from but as I run a mining pool I might as well plug my own rdd.suremine.com , If you would like to use another the following steps will work with another pool.
  1. Point your browser at rdd.suremine.com, in the top right hand corner of the page click "Guest" then "Sign Up". Account Image 1
  2. Complete the registration form, make sure you choose a good password that is unique to this poll, write down the PIN, as if you lose it you lose your coins! Account Image 2
  3. Check your email and Click the email verification link, if you can't see the email check your spam folder.
  4. Login to your account and Click "My Account" then click "Edit Account" On the Left Hand Nav. Enter your PIN and click unlock. This will create a confirmation email you will need to click. Account Image 3
  5. Check your email and Click the email verification link, if you can't see the email check your spam folder.
    • Set your payment address ( the one you copied down when you created your wallet).
    • Set your Donation Percentage ( this helps keep the pool running).
    • Set your automatic payout threshold ( low to start with to see the funds come through).
    • Insert your pin again.
    • Click Update Account. Account Image 4
  6. On the Left Hand Navigation bar click "My Account" then "My Workers". Enter a worker name and password (these can be anything you like). Account Image 5
  7. Click Add New Worker and the page will refresh with your worker details, note both the worker login and worker password down. you will need both of these later. Account Image 7

Stage 3: Install CPU Miner

Before you install the GPU Mining Application you want to make sure you are running off the latest Nvidia Drivers.
  1. Go to the Cuda miner page on BitCoin talk and download the latest package.
  2. Create a folder in C:/ called GPUminer. Install Image 1
  3. Once Downloaded, unzip the file, go into to cduaminer-2014-02-28 then into x86 and drag the contents of the zip file into the GPUminer folder. By the time you're doing this the date of 2014-02-28 may have changed to a newer version, that's good news!) Install Image 2
  4. Open up notepad and insert the following text, you want to replace the worker login and the worker password with the values you noted down earlier. cudaminer.exe -o stratum+tcp://uk.suremine.com:5555 -u USERACCOUNT.WORKERUSER -p WORKERPASS pause Install Image 3
  5. Select File > Save as then save the file to c:/GPUmine as gpuminer.bat. Install Image 4

Stage 4: Mine

  1. From the C:/GPUminer double click gpuminer.bat this will open a window. after a few minutes you should start seeing accepted transactions. All accepted transactions are good. Mine Image 1
Debugging

Performance Tuning

If you are looking to get the most out of your Nvidia card you can update gpuminer.bat with config from the Nvidia Comparison Table
submitted by suremine to reddCoin [link] [comments]

Turnkey bitcoin mining starter kits - is this a product anyone would be interested in?

I've noticed with BitCoin mining there is a lot of assumptions on background knowledge. The user needs to understand the bitcoin hardware and ecosystem, setup with a pool, in some cases there are software assumptions (understanding Linux, installing dependencies for miners, etc.). I happen to have the background and enjoy all of these pieces but some people may want a gentler introduction.
My current thought is a plug and play bitcoin miner. It would be some preconfigured machine that is guaranteed to have some non-trivial hashrate at date of purchase that the user can plug in and type "run" and be mining. It would also include plenty of instructions and how tos for the user to dive deeper and configure to their hearts content. For an illustrative example, image a raspberry pi running a butterfly labs ASIC miner preconfigured with an on device wallet, preconfigured mining pool, and a wizard or directions to walk them through changing necessary passwords.
With all of that said: is there anyone out there who would want such a product?
submitted by lukejduncan2 to BitcoinMining [link] [comments]

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Bitcoin mining malware has been noticed spreading in Russia. At the end of July 2017, it was reported that cryptocurrency mining malware infected 25% of computer users in Russia. However, some sources state that this cyber infection may have infiltrated 30% of Russian computers. According to the official data, the majority of affected devices run in Windows OS. Meanwhile, Mac computers and ... How To Setup GPU Mining? By Prashant Jha. Cryptocurrency mining is the perfect way of entering the crypto realm, especially for amateurs. 2018 bearish trends might have made many Bitcoin miners shut their individual rigs, but still, there are plenty of altcoins which might help you earn some crypto riches.. If you have decided to begin your crypto journey through GPU mining, this article would ... 1. CGMiner [macOS/Windows/Linux] One of the most popular and best-rated software for mining Bitcoin is CGMiner. It’s available on Windows, macOS, and Linux, making it an extremely versatile option. Cloud (or remote) mining – is the process of using hardware power to mine cryptocurrency (such as Bitcoin or Litecoin) remotely. This mining model came to existence due to the fact that the increasing difficulty of mining has made it unprofitable for mining enthusiasts to mine Bitcoins at home. Cloud mining gives people a unique opportunity to begin mining cryptocurrency without the need for ... 1. CGMiner [macOS/Windows/Linux] One of the most popular and best-rated software for mining Bitcoin is CGMiner. It’s available on Windows, macOS, and Linux, making it an extremely versatile option.

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