A solo Bitcoin miner recently earned $371,000 by mining block #910,440 via the Solo CK pool.
The odds of solo mining success are extremely low without substantial hashpower.
Efficient hardware can improve your chances, but solo mining remains a high-risk, high-reward game.
Several solo miners have struck lucky in 2025, proving it’s still possible, though rare.
Rising network difficulty is forcing even large mining firms to diversify into AI and HPC technologies.
On a quiet Sunday, a solo Bitcoin miner using the Solo CK pool managed to mine block #910,440, earning a total reward of 3.137 BTC, comprised of the 3.125 BTC block subsidy and around 0.012 BTC in transaction fees.
A Solo Bitcoin Miner Mined Block 910440
Source: Mempool
With Bitcoin priced at the time around $118,300 per BTC, this gave the lucky miner a reward of approximately $371,000.
This miner’s feat is even more remarkable considering that the block included 4,913 transactions, generating an additional $1,455 in fees alone.
The Solo CK pool is a unique platform designed to give individual miners a shot at block rewards.
Unlike traditional mining pools where rewards are split among participants, Solo CK allows miners to keep the full reward if they solve a block, though it comes with much higher risk.
With Bitcoin’s network hashrate primarily driven by massive mining farms equipped with thousands of ASICs, solo mining has become an increasingly rare practice.
Yet, this case, along with similar ones earlier this year, shows that it’s still possible to hit the jackpot solo.
This isn’t an isolated event. Several solo miners have managed to strike gold this year:
February 2025: A solo miner mined a block independently.
July 4, 2025: Another solo miner earned roughly $350,000.
July 27, 2025: Yet another miner netted over $373,000 in block rewards.
These wins are anomalies, but they continue to fuel hope in the solo mining community.
According to Samuel Li, CTO at ASICKey, solo mining isn’t all about luck, it’s about efficient, powerful hardware. But that doesn’t mean the odds are in a solo miner’s favor.
Li explained:
“Solo mining is still mostly a lottery, unless you control tens of PH/s.”
Even with 1 PH/s (petahash per second) of hashpower, a miner has a 1 in 650,000 chance of solving a block every 10 minutes. That’s statistically equivalent to winning the lottery.
Modern ASIC mining equipment can produce significant hashrate with lower energy consumption, which slightly levels the playing field for smaller miners. However, without massive infrastructure, chances remain slim.
The Bitcoin network difficulty, a measure of how hard it is to find a valid block, is sitting near all-time highs. At the time of writing, it’s estimated around 129 trillion, according to CryptoQuant.
Source: CryptoQuant
This increasing difficulty doesn’t just affect solo miners, even large-scale mining companies are feeling the squeeze.
As mining profitability declines due to Bitcoin halving and rising operational costs, many established mining companies are diversifying.
They’re investing in artificial intelligence (AI) and high-performance computing (HPC) to stay profitable and future-proof their business models.
The solo miner earned approximately 3.137 BTC, worth $371,000 at the time of the block reward.
Extremely rare. A miner with 1 PH/s of hashpower has roughly a 1 in 650,000 chance of mining a block every 10 minutes.
Solo CK is a mining pool that lets individual miners mine alone and keep the entire block reward if successful, rather than sharing it.
Successful solo miners typically use high-end ASICs with at least 1 PH/s to have any meaningful chance of solving a block.
Bitcoin mining becomes more difficult as more miners join the network, increasing the total hashrate. Additionally, Bitcoin halving events reduce the block reward, tightening margins.
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