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Bitcoin Mining Difficulty Jumps 15% to 144.4T in Fastest Rise Since 2021

The sharp reset reflects hashrate’s rebound toward 1 zettahash per second despite depressed miner revenues.

Overview

  • The protocol retarget set difficulty at about 144.40 trillion at block 937,524, marking one of the steepest accelerations since the 2021 cycle.
  • Network hashrate is hovering near the 1 ZH/s threshold, recovering from an early‑February trough around 826 EH/s after U.S. weather outages.
  • Miner hashprice sits at multi‑year lows near $23.9 per PH/s, pressuring profitability even as computing power returns to the network.
  • Large, low‑cost operators continue to run aggressively and help sustain elevated hashrate, while some public miners shift capacity to AI and high‑performance computing.
  • Higher difficulty strengthens network security yet heightens margin pressure for smaller or higher‑cost miners if bitcoin’s price does not keep pace.