Firsthand Bitcoin · Data · Bitcoin miners
Data / Difficulty adjustments / 2018
The size of every bitcoin difficulty retarget, as a percentage.
Difficulty adjustment opened 2018 at +3.10% (January 1, 2018) and closed at +10.03% (December 31, 2018), up 223.7%. The high was +16.84% on January 25, 2018 and the low -15.13% on December 3, 2018.
| Month | Month end |
|---|---|
| January 2018 | +16.84% |
| February 2018 | +4.62% |
| March 2018 | +5.23% |
| April 2018 | +4.76% |
| May 2018 | +3.94% |
| June 2018 | +2.77% |
| July 2018 | +14.88% |
| August 2018 | +5.29% |
| September 2018 | +1.90% |
| October 2018 | -3.65% |
| November 2018 | -7.39% |
| December 2018 | +10.03% |
Each bar is one retarget. Most are small and upward, because hashrate keeps growing. The large negative ones mark the moments miners switched off in numbers: China’s mining ban in mid-2021 produced the biggest cut in bitcoin’s history, −28%.
Other years: 2026 · 2025 · 2024 · 2023 · 2022 · 2021 · 2020 · 2019 · 2017 · 2016 · 2015 · 2014 · 2013
Also in 2018: Bitcoin price · Distance from the all-time high · 200-day and 200-week averages · Network hashrate · Mining difficulty · 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