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 11 days
Difficulty adjustment
NetworkFriday 13 November (estimate)
At block 975,744, mining is expected to get about 1.7% easier, so blocks keep arriving about every 10 minutes.
August 2015
| Monday | Tuesday | Wednesday | Thursday | Friday | Saturday | Sunday |
|---|---|---|---|---|---|---|
| 1 | 2 | |||||
| 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| 10 | 11 | 12 | 13 | 14 | 15Bitcoin XTOverflow bug, 2010 | 16 |
| 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| 31 |
Adds the dates ahead, network only, to Apple Calendar or Outlook, and keeps them up to date. In Google Calendar, use Add to Google Calendar, or download the file.
Events in August 2015
Saturday 15 August4097 days ago
Bitcoin XT is released
Mike Hearn and Gavin Andresen released Bitcoin XT, a version of Bitcoin's software that would raise the block size limit to 8 MB under BIP 101 once three quarters of recent blocks supported it. It never reached that level of support.
NetworkSourceMike Hearn, "Why is Bitcoin forking?" (15 Aug 2015, archived)
The value overflow incident, 2010
5 years ago. A transaction in block 74,638 created about 184 billion bitcoin by exploiting a bug in how the software added up large amounts. Satoshi Nakamoto released a fix, Bitcoin 0.3.10, the same day, and the network replaced the bad block.
NetworkSee block 74,638SourceBitcoin Wiki, Value overflow incident