At a time when Bitcoin (BTC) mining is dominated by large-scale mining farms with advanced, specialized hardware, the odds of a solo miner striking the so-called digital gold are astronomically low.

A solo miner successfully mined a Bitcoin block on Sunday, collecting a 3.137 BTC payout, worth about $371,000 at the time. The miner operated through the Solo CK pool, a service for solo miners. They ...