Bitcoin calendar.
Halvings and network upgrades, the US releases that move markets, conferences, and the anniversaries of Bitcoin's history. Dates are in UTC.
In 3 days
Bitcoin Amsterdam
ConferencesThursday 5 November
BTC Inc's European Bitcoin conference.
January 2018
| Monday | Tuesday | Wednesday | Thursday | Friday | Saturday | Sunday |
|---|---|---|---|---|---|---|
| 1 | 2 | 3Genesis block, 2009 | 4 | 5 | 6 | 7 |
| 8Bitcoin v0.1, 2009 | 9 | 10 | 11Running bitcoin, 2009 | 12First transaction, 2009 | 13 | 14 |
| 15 | 16 | 17 | 18 | 19 | 20 | 21 |
| 22 | 23Taproot proposed | 24 | 25 | 26 | 27 | 28 |
| 29 | 30 | 31 |
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Events in January 2018
Wednesday 3 January3225 days ago
The genesis block, 2009
9 years ago. The first block of the Bitcoin blockchain, block 0, was created. Its only transaction contains the text "The Times 03/Jan/2009 Chancellor on brink of second bailout for banks".
MilestonesSee block 0See the paymentSourcemempool.space, block 0 (timestamp 1231006505)What happened
Monday 8 January3220 days ago
Bitcoin v0.1 is released, 2009
9 years ago. Satoshi Nakamoto announced the first release of the Bitcoin software, a Windows-only program with open-source C++ code, on the Cryptography Mailing List.
MilestonesSourceCryptography Mailing List archive, "Bitcoin v0.1 released" (Thu Jan 8 14:27:40 EST 2009)
Thursday 11 January3217 days ago
Hal Finney tweets "Running bitcoin", 2009
9 years ago. Cryptographer Hal Finney posted "Running bitcoin" on Twitter, two days after block 1, the first block after the genesis block, was mined.
MilestonesSourceTwitter's oEmbed data for the tweet (dated January 11, 2009)
Friday 12 January3216 days ago
The first bitcoin transaction, 2009
9 years ago. Satoshi Nakamoto sent 10 bitcoin to Hal Finney in block 170, the first transaction that moved coins from one person to another.
MilestonesSee block 170See the paymentSourceHal Finney, "Bitcoin and me", bitcointalk, 19 March 2013 (archived copy)
Tuesday 23 January3205 days ago
Gregory Maxwell proposes Taproot
Gregory Maxwell proposed Taproot on the bitcoin-dev mailing list: a design that lets coins with complex spending conditions, when everyone involved agrees, be spent in a way "indistinguishable from a normal one-party signature". It activated in November 2021.
Network · 00:30 UTCSourceGregory Maxwell, "Taproot: Privacy preserving switchable scripting", bitcoin-dev mailing list (23 Jan 2018, 00:30:06 UTC)What happened