Bitcoin calendar.
Halvings and network upgrades, the US releases that move markets, conferences, and the anniversaries of Bitcoin's history. Dates are in UTC.
Today
BTC Balkans
ConferencesSunday 1 November
A two-day, community-run Bitcoin conference for the Balkans, with keynotes, panels and workshops.
December 2021
| Monday | Tuesday | Wednesday | Thursday | Friday | Saturday | Sunday |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | ||
| 6 | 7 | 8 | 9 | 10 | 11 | 12Satoshi's last post, 2010 |
| 13 | 14 | 15 | 16 | 17 | 18HODL, 2013 | 19 |
| 20 | 21 | 22 | 23 | 24 | 25 | 26 |
| 27 | 28 | 29 | 30 | 31 |
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Events in December 2021
Sunday 12 December1785 days ago
Satoshi's last forum post, 2010
11 years ago. Satoshi Nakamoto posted for the last time on the Bitcoin forum, announcing version 0.3.19 with new limits against denial-of-service attacks (attempts to overload nodes).
MilestonesSourceSatoshi Nakamoto Institute, "Added some DoS limits, removed safe mode (0.3.19)" (12 Dec 2010, 18:22:33 UTC)
Saturday 18 December1779 days ago
The "HODL" post, 2013
8 years ago. A bitcointalk user called GameKyuubi posted "I AM HODLING" during a sharp price fall, misspelling "holding". "HODL" became slang for keeping bitcoin rather than selling it.
MilestonesSourceGameKyuubi, "I AM HODLING", bitcointalk (archived copy)