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1 Solo Mining NVIDIA
Claude edited this page 2026-04-03 11:24:55 +01:00
Table of Contents

Solo Mining on Linux (NVIDIA GPU)

This guide covers solo mining Lethean using an NVIDIA GPU on Ubuntu with the ProgPoWZ algorithm.

Prerequisites

  • A running Lethean node (lethean-chain-node)
  • A Lethean CLI wallet with a receive address
  • An NVIDIA GPU with at least 2 GB VRAM
  • Ubuntu 20.04 LTS or later

If you have not yet set up a CLI wallet, see the Wallet Guide.

Step 1: Synchronise the Daemon

Open a terminal in the directory containing lethean-chain-node and start it:

./lethean-chain-node

Allow the daemon to fully synchronise with the network while you complete the remaining steps.

Step 2: Install TT-Miner

TT-Miner supports the ProgPoWZ algorithm used by Lethean and is optimised for NVIDIA GPUs.

Open another terminal in the same directory and download TT-Miner:

wget https://github.com/TrailingStop/TT-Miner-release/releases/download/2023.1.0/TT-Miner-2023.1.0.tar.gz

Extract and remove the archive:

tar -xf TT-Miner-2023.1.0.tar.gz
rm TT-Miner-2023.1.0.tar.gz

Enter the TT-Miner directory:

cd TT-Miner

The directory contains a helper script LTHN-SOLO.sh with basic configuration instructions, but we will run the miner directly with the correct flags.

Step 3: NVIDIA Driver Installation

Ubuntu ships with open-source NVIDIA drivers by default. For mining with CUDA (required by TT-Miner and the ProgPoWZ algorithm), you need the proprietary driver.

3a. Check your current drivers

sudo ubuntu-drivers devices

This shows which driver is installed and which proprietary driver is recommended.

3b. Install the proprietary driver (if needed)

If you do not already have proprietary drivers:

sudo ubuntu-drivers autoinstall

Reboot after installation:

sudo reboot

3c. Install CUDA toolkit

TT-Miner requires CUDA libraries. Install them:

sudo apt install nvidia-cuda-toolkit

Verify the installation:

nvcc --version

If you see an error like libcuda.so.1: cannot open shared object file, the CUDA toolkit is not installed properly.

Step 4: Start Mining

Once the daemon is fully synced, stop it with Ctrl+C. Restart it with the stratum server enabled, replacing <YOUR_WALLET_ADDRESS> with your Lethean receive address (not your wallet name or rig name):

./lethean-chain-node --stratum --stratum-miner-address=<YOUR_WALLET_ADDRESS> --stratum-bind-port=11555

If you use an invalid address, the daemon will return an error. Make sure you use the full receive address starting with iTHN.

The daemon should start and confirm synchronisation.

Now open a new terminal in the TT-Miner directory and start mining:

./TT-Miner -luck -coin LTHN -u miner -o 127.0.0.1:11555

The miner will display your hashrate and statistics. In the daemon terminal, you should see stratum activity confirming that mining is active.

You are now solo mining Lethean with your NVIDIA GPU using the ProgPoWZ algorithm.

Pool Mining Alternative

If you prefer pool mining instead of solo mining, point TT-Miner at the pool's stratum address rather than 127.0.0.1:11555. For example:

./TT-Miner -luck -coin LTHN -u <YOUR_WALLET_ADDRESS> -o <POOL_STRATUM_ADDRESS>:<PORT>

Check the Mining Overview for more details on pool vs solo mining.

Troubleshooting

Problem Solution
libcuda.so.1 not found Install nvidia-cuda-toolkit and reboot
Wrong wallet address error Use the full receive address (starts with iTHN), not the wallet filename
Daemon fails to start stratum Check that no other daemon instance is running
No blocks found after extended mining Solo mining depends on your hashrate vs network difficulty -- consider pool mining