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A single Bitcoin miner has managed to mine a whole Bitcoin block all by themselves. This rare occurrence awarded them 3.146 Bitcoins, worth roughly $270,000 at today's Bitcoin prices (or close to $400,000 at the recent all-time high).
Outside of the very early days of Bitcoin mining, only a few hundred individuals have been lucky enough to mine an entire block by themselves. The miner in this case had roughly 6 terahashes per second of hashpower, or approximately 0.0000007% of Bitcoin's total network hashpower, according to Coindesk.
With such a low hashrate (the speed at which a network can crunch through numbers), it could take hundreds of years to mine a full block. It's a complete shot in the dark and unlikely to be repeated as we move into the last million Bitcoins ever to be mined.
Solo CK pool creator Con Kolivas highlighted the extreme rarity of this kind of event and how much modern mining is dominated by large pools. The miner was likely part of the solo pool, which is designed to allow them to connect to the blockchain and take part in mining without having to run their own node or manage the mining backend. It also preserves the solo rewards, which is what allowed this particular individual to scoop up such a win.
Kolivas reports that since the solo pool was set up in 2014, only 308 individuals have managed to mine a single block all by themselves. The chances of this happening were one in 180 million.
As of November 2025, the global Bitcoin hashrate is dominated by a handful of massive pools, though not all of them are readily accounted for. The top single pool is Antpool, with close to 21% of all Bitcoin mining capacity. F2Pool and ViaBTC each have around 12% of the total capacity, with several smaller pools accounting for less than 1%.
Around 51% of the overall Bitcoin hashrate is held by unknown miners who aren't publicly disclosing their computing power, according to Blockchain.com.