A lone Bitcoin miner managed to defy the odds on Sunday, successfully solving a block and pocketing roughly $371,000 in rewards.
The miner was connected to Solo CK Pool, a platform designed for independent miners, and validated block 910,440. The payout included the standard 3.125 BTC block subsidy plus about 0.012 BTC in transaction fees, bringing the total reward to 3.137 BTC. The block itself processed 4,913 transactions, with fees adding up to $1,455.
In a mining landscape now dominated by large-scale industrial farms with immense hashrates, the probability of a solo miner hitting a block remains extremely low. Still, with the right hardware and some luck, smaller operators continue to prove it’s possible.
This year alone, a few other independent miners have pulled off similar wins. One mined a block in February, another earned $350,000 on July 4, and a third brought in $373,000 by solving a block on July 27.
Solo mining: luck or hardware advantage?
Samuel Li, CTO of ASICKey, a company specializing in mining equipment, argues that while advanced hardware plays a role, solo mining is still largely a game of chance.
According to Li, modern mining rigs are designed to deliver massive hashrates with far better energy efficiency than older machines. But that doesn’t necessarily improve the odds for solo miners unless they operate at scale.
“Solo mining remains more of a lottery system,” Li explained. “Unless you’re running tens of petahashes per second, your chances of consistently solving blocks are negligible.” He added that someone mining at 1 PH/s would only have about a 1 in 650,000 chance of discovering a block every 10 minutes.
Rising difficulty challenges even big players
The challenges aren’t limited to hobbyist miners. Large Bitcoin mining firms have also been under pressure, with network difficulty reaching around 129 trillion—near record highs, according to CryptoQuant data. The upward trend in difficulty, combined with the halving that reduced block rewards, has squeezed profitability across the industry.
To adapt, some mining giants have begun diversifying into other sectors such as artificial intelligence and high-performance computing (HPC), seeking alternative revenue streams as the competition for Bitcoin rewards grows fiercer.
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