Bitcoin calendar.
Halvings and network upgrades, the US releases that move markets, conferences, and the anniversaries of Bitcoin's history. Dates are in UTC.
Tomorrow
The Bitcoin whitepaper, 2008
MilestonesSaturday 31 October
18 years ago. Satoshi Nakamoto announced the paper "Bitcoin: A Peer-to-Peer Electronic Cash System" on the Cryptography Mailing List, describing electronic cash that works without a bank or other trusted third party.
January 2025
| Monday | Tuesday | Wednesday | Thursday | Friday | Saturday | Sunday |
|---|---|---|---|---|---|---|
| 1 | 2 | 3Genesis block, 2009 | 4 | 5 | ||
| 6 | 7 | 8Bitcoin v0.1, 2009 | 9 | 10Finney Prize | 11Running bitcoin, 2009 | 12First transaction, 2009 |
| 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| 20 | 21 | 22 | 23 | 24 | 25 | 26 |
| 27 | 28 | 29 | 30USDT on Lightning | 31 |
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Events in January 2025
Friday 3 January665 days ago
The genesis block, 2009
16 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
Wednesday 8 January660 days ago
Bitcoin v0.1 is released, 2009
16 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)
Friday 10 January658 days ago
Pieter Wuille and Gregory Maxwell win the Finney Freedom Prize
The Human Rights Foundation and Hal Finney's family awarded the Finney Freedom Prize for 2012 to 2016, the era between Bitcoin's first two halvings, to the developers Pieter Wuille and Gregory Maxwell. The prize, 1 BTC and a physical award, goes to whoever did most for Bitcoin and human rights in each halving era.
MilestonesSourceBitcoin Magazine (press release), Pieter Wuille and Gregory Maxwell Receive The Finney Freedom Prize (10 Jan 2025)
Saturday 11 January657 days ago
Hal Finney tweets "Running bitcoin", 2009
16 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)
Sunday 12 January656 days ago
The first bitcoin transaction, 2009
16 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)
Thursday 30 January638 days ago
Tether announces USDT for Bitcoin and Lightning
Tether announced that it would bring USDT, its dollar stablecoin, to Bitcoin and the Lightning Network using Lightning Labs' Taproot Assets. It said USDT would work on both "once fully integrated".
MilestonesSourceTether, Tether Brings USDt to Bitcoin's Lightning Network (30 Jan 2025)