It's harder and harder for solo Bitcoin miners to successfully win a block, but they do hit the jackpot from time to time.

The bitcoin network currently has a whopping of 4.3 million mining machines running on it and the market is still seeing buying interest, with a need for 1.5 million more devices, according to ...

Today, companies with thousands of machines running 24/7 are mining Bitcoin, and it could take an individual with one machine years to be first to solve the puzzle, if ever. See hash rate.