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Data / Difficulty adjustments / 2013
The size of every bitcoin difficulty retarget, as a percentage.
Difficulty adjustment opened 2013 at +9.06% (January 8, 2013) and closed at +30.01% (December 21, 2013), up 231.3%. The high was +46.02% on October 26, 2013 and the low -8.64% on January 23, 2013.
| Month | Month end |
|---|---|
| January 2013 | -8.64% |
| February 2013 | +11.47% |
| March 2013 | +38.13% |
| April 2013 | +12.28% |
| May 2013 | +8.64% |
| June 2013 | +10.32% |
| July 2013 | +19.47% |
| August 2013 | +29.40% |
| September 2013 | +32.13% |
| October 2013 | +46.02% |
| November 2013 | +16.07% |
| December 2013 | +30.01% |
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 · 2018 · 2017 · 2016 · 2015 · 2014
Also in 2013: Bitcoin price · Distance from the all-time high · 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 · Hash ribbons