Bitcoin Mining Enters the Zetahash Era as Profitability Tightens

Bitcoin mining crossed a historic threshold in late 2025. According to a recent report from GoMining, the network entered the zetahash era, surpassing 1 zetahash per second of computing power.

But while hashrate surged to record levels, miner profitability moved in the opposite direction. The result is a mining industry that is larger, more industrialized — and more exposed to price risk than at any point this cycle.

Bitcoin mining has entered a new regime.

Our 2025 Bitcoin Mining Market Review examines: