Firsthand Bitcoin · Data · Bitcoin miners
Data / Mining difficulty / 2015
Bitcoin mining difficulty since 2013, stepping at every retarget.
Mining difficulty opened 2015 at 40.64B (January 1, 2015) and closed at 103.88B (December 31, 2015), up 155.6%. The high was 103.88B on December 31, 2015 and the low 40.64B on January 1, 2015.
| Month | Month end |
|---|---|
| January 2015 | 41.27B |
| February 2015 | 46.68B |
| March 2015 | 46.72B |
| April 2015 | 47.61B |
| May 2015 | 47.59B |
| June 2015 | 49.40B |
| July 2015 | 52.28B |
| August 2015 | 54.26B |
| September 2015 | 59.34B |
| October 2015 | 62.25B |
| November 2015 | 72.72B |
| December 2015 | 103.88B |
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 · 2025 · 2024 · 2023 · 2022 · 2021 · 2020 · 2019 · 2018 · 2017 · 2016 · 2014 · 2013
Also in 2015: Bitcoin price · Distance from the all-time high · Network hashrate · Difficulty adjustments · Fees paid to miners · Transactions per day · Hashprice · Miner revenue · Bitmain releases and the bitcoin price · Break-even electricity price · What a bitcoin costs us to mine, against the market · Hash ribbons