CPU mining, or Central Processing Unit mining, uses your computer’s processor to validate cryptocurrency transactions and earn rewards. While GPU and ASIC miners dominate many networks, CPU mining remains practical for certain coins that resist specialized hardware. This page collects guides, tips, and resources related to CPU-only mining.
Understanding CPU Mining
CPU mining solves cryptographic puzzles using the CPU’s arithmetic logic unit. Early Bitcoin mining was carried out with CPUs, but as difficulty increased, miners shifted to GPUs and ASICs. Today, coins like Monero use the RandomX algorithm, which is optimized for CPUs and ASIC-resistant, making CPU mining a viable option for hobbyists and those with spare computing power.
Getting Started with CPU Mining
To begin mining with your CPU, follow these general steps:
- Choose a CPU-friendly cryptocurrency (e.g., Monero, Verge, or other RandomX/CryptoNight coins).
- Download mining software such as XMRig for RandomX-based coins.
- Join a mining pool to combine hashing power for steadier rewards.
- Configure the software with your wallet address and pool server details.
- Start mining and monitor performance through the software dashboard.
Remember that CPU mining generates heat and consumes electricity. Use our Crypto Money Calculator to estimate profitability based on your hardware and local power cost.
Popular Coins for CPU Mining
- Monero (XMR): Uses RandomX algorithm, ASIC-resistant, great for CPU miners.
- Verge (XVG): Offers multiple algorithms including CPU-friendly options.
- Ravencoin (RVN): Uses KawPow algorithm, but CPU mining can still be performed.
- Loki (OXEN): Also uses RandomX, similar to Monero.
Pros and Cons of CPU Mining
- Pros: Low entry barrier, no need for expensive hardware, can use existing PC, helps decentralize CPU-friendly coin networks.
- Cons: Lower hash rates compared to GPU/ASIC, higher power consumption per hash, limited coin choices, potential processor wear.
Is CPU Mining Profitable?
Profitability depends on your CPU’s hash rate, power draw, electricity price, and the coin’s market value. Generally, CPU mining is more of a hobby than a major income source unless you have access to free power. Use our Crypto Money Calculator for a rough estimate based on your situation.