Firsthand Bitcoin · Data · Bitcoin miners
Data / Mining difficulty / 2025
Bitcoin mining difficulty since 2013, stepping at every retarget.
Mining difficulty opened 2025 at 109.78T (January 1, 2025) and closed at 148.26T (December 31, 2025), up 35.0%. The high was 155.97T on October 29, 2025 and the low 108.11T on January 27, 2025.
| Month | Month end |
|---|---|
| January 2025 | 108.11T |
| February 2025 | 110.57T |
| March 2025 | 113.76T |
| April 2025 | 123.23T |
| May 2025 | 126.98T |
| June 2025 | 116.96T |
| July 2025 | 127.62T |
| August 2025 | 129.70T |
| September 2025 | 142.34T |
| October 2025 | 155.97T |
| November 2025 | 149.30T |
| December 2025 | 148.26T |
Every 2,016 blocks — roughly two weeks — the network resets how hard it is to find a block so that one arrives about every ten minutes. When hashrate has grown, difficulty goes up; when machines switch off, it comes down.
Other years: 2026 · 2024 · 2023 · 2022 · 2021 · 2020 · 2019 · 2018 · 2017 · 2016 · 2015 · 2014 · 2013
Also in 2025: Bitcoin price · Distance from the all-time high · 200-day and 200-week averages · Network hashrate · Difficulty adjustments · Fees paid to miners · Transactions per day · Hashprice · Miner revenue · Miner prices per terahash · Bitmain releases and the bitcoin price · Break-even electricity price