Firsthand Bitcoin · Data · Bitcoin miners
The number of unspent transaction outputs, the pieces every bitcoin is stored in.
Unspent outputs (UTXO set) opened 2017 at 44.29M (January 4, 2017) and closed at 62.01M (December 31, 2017), up 40.0%. The high was 62.01M on December 31, 2017 and the low 44.29M on January 4, 2017.
| Month | Month end |
|---|---|
| January 2017 | 44.96M |
| February 2017 | 45.94M |
| March 2017 | 47.49M |
| April 2017 | 49.34M |
| May 2017 | 51.82M |
| June 2017 | 52.02M |
| July 2017 | 51.14M |
| August 2017 | 51.49M |
| September 2017 | 51.78M |
| October 2017 | 53.14M |
| November 2017 | 56.64M |
| December 2017 | 62.01M |
Bitcoin is not stored in accounts but in unspent outputs, each one a lump of coins that a future transaction will spend. The count grows with adoption and jumps during inscription waves, when many small outputs are created.
Other years: 2026 · 2025 · 2024 · 2023 · 2022 · 2021 · 2020 · 2019 · 2018 · 2016 · 2015 · 2014 · 2013
Also in 2017: Bitcoin price · Distance from the all-time high · 200-day and 200-week averages · Network hashrate · Mining difficulty · Difficulty adjustments · Fees paid to miners · Transactions per day · Hashprice · Miner revenue · Bitmain releases and the bitcoin price · Break-even electricity price