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 2025
| Monday | Tuesday | Wednesday | Thursday | Friday | Saturday | Sunday |
|---|---|---|---|---|---|---|
| 1 | 2Vanguard opens | 3 | 4 | 5$100,000, 2024 | 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 2025
Tuesday 2 December334 days ago
Vanguard lets clients buy bitcoin ETFs
Vanguard, which had refused to offer spot bitcoin ETFs since they launched in January 2024, began letting its brokerage clients trade ETFs and mutual funds that mainly hold crypto, opening them to about 50 million customers.
MarketsSourceCoinDesk, $11T Asset Management Giant Vanguard to Allow Client Access to Crypto ETFs (1 Dec 2025)
Friday 5 December331 days ago
Bitcoin passes $100,000, 2024
1 year ago. Bitcoin passed $100,000 for the first time in the early hours of 5 December UTC, which was the evening of 4 December in the US.
MarketsSourceCoinDesk, Bitcoin at $100K: The Financial World Reacts (5 Dec 2024)
Friday 12 December324 days ago
Satoshi's last forum post, 2010
15 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)
Thursday 18 December318 days ago
The "HODL" post, 2013
12 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)