Hey
I saw many posts around here were people would to know more about a solo mining SHA 256 lottery.
I did mine with 2 Gekkoscience Newpac2, a old thinkpad which is running a StorJ node with a 10TO HDD. The CPU solo mine Monero XMR. You will need a powered usb hub to overclock your gekkoscience newpac. I put two cheap fans which I had to increase the overclock possibility.
You can use that with a Raspberry Pi 2-3-4. It failed with my Zero W.
I use the thinkpad because the STORJ node host on it cover easily all the costs. I personally think that this lottery could really be a waste of time and electricity, probabilities are quite near to 0 to solve a block. But in my situation I have already this laptop h24 running because of the node, so I prefer have this "Lottery Ticket" here. If I'll solve a block I would be pretty happy lol
I run this lottery on solo ck pool. You will find a list of solo pools at the bottom of this post. You can use these USB sticks with any coin based on SHA256 algo : btc bch dgb etc...etc....
How to setup that
1. I personnaly use Ubuntu Server : very stable, not a shitty microsoft windows which will do update/reboot automatically.
I advise to use any Debian based OS. A desktop environment is not necessary.
2. Do a update
sudo apt-get update
sudo apt-get upgrade
3. Install dependances
sudo apt-get install -y build-essential git autoconf automake libtool pkg-config libcurl4-openssl-dev libudev-dev libusb-1.0-0-dev libncurses5-dev
4. Get the Gekko version of cgminer
mkdir -p mining/newpac; cd mining/newpac
git clone https://github.com/vthoang/cgminer.git
cd cgminer
5. Build cgminer
Ubuntu :
CFLAGS="-O2 -march=native" ./autogen.sh --enable-gekko
make -j 2
Debian / RaspberryOS :
CFLAGS="-O2" ./autogen.sh --enable-gekko
make -j 2
6. Run
cd ~/mining/newpac/cgminer
./cgminer -o stratum+tcp://pool.ckpool.org:3333 -u [i]yourwallet[/i] -p x --suggest-diff 32 --gekko-newpac-freq 150
You can change the difficulty and frequence as you want.
Informations about Gekkoscience Newpac Usb miner :
I personnaly switch off the screen of the laptop (less watt consumption)
List of solo pools :
CK Pool :
https://solo.ckpool.org/Kano :
https://bitcointalk.org/index.php?topic=789369.44440DGB SOLO :
https://dgb-sha.solopool.org/