Bitcoin's hashrate, which measures the computational power required to mine a block, is expected to reach 1 zettahash per second (ZH/s) before the next halving event in 3.5 years. Miners are under pressure to secure cheap power deals and more efficient equipment to optimize profitability. The average hashrate could reach 1,000 exahash per second (EH/s) by 2027. The growth in hashrate has accelerated since the 2020 halving, and currently stands at around 787 EH/s. The increase in hashrate also affects network security. Some miners have had to pivot their operations to AI computing or buy bitcoin due to reduced block rewards. The difficulty of mining a block has also increased in recent months.



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