Solo Mining
Learn what solo mining means in cryptocurrency mining, how it works, and why it matters for miners.
Definition
Solo mining is cryptocurrency mining done without joining a mining pool. A solo miner connects mining hardware directly to the network, or to their own node, and tries to find a valid block independently.
If the miner finds a block, they receive the full block reward and transaction fees. If they do not find a block, they earn nothing for that period, even if their machines worked continuously.
How It Works
In proof-of-work networks, miners repeatedly hash block data until one hash meets the current network difficulty target. In solo mining, one miner or one mining operation performs this work alone instead of sharing hash rate with other miners.
The miner usually runs mining software, one or more ASIC or GPU rigs, and often a full node for the cryptocurrency being mined. The node keeps the miner synchronized with the blockchain, validates new blocks, and broadcasts a newly found block to the network.
Solo mining is a high-variance activity. A small miner may technically have a chance to find a block, but the probability can be extremely low on large networks like Bitcoin. The miner’s chance depends mainly on their share of the total network hash rate. For example, a miner with a tiny fraction of global hash rate may wait far longer than expected to find a block, and there is no guarantee they ever will.
This is different from pooled mining, where many miners combine hash rate and split rewards based on contributed work. Pools reduce variance by paying smaller, more regular amounts, while solo mining keeps rewards all-or-nothing.
Why It Matters
Solo mining matters because it shows the direct relationship between hash rate, difficulty, and mining rewards. It can offer a larger payout when successful, but it also carries much higher income uncertainty than using a pool.
Some miners choose solo mining for independence, privacy, or ideological reasons. Running their own node and mining directly can reduce reliance on pool operators and support a more decentralized network structure.
For most small miners, however, solo mining is not practical on highly competitive networks. Electricity, hardware costs, network difficulty, and long reward droughts can make it financially risky. It is more common for solo mining to make sense on smaller networks, for miners with very large hash rate, or for people experimenting and learning how mining works.