[[!template Error: failed to process template <span class="createlink"><a href="/ikiwiki.cgi?from=2009&amp;do=create&amp;page=%2Ftemplates%2Finfobox_year" rel="nofollow">?</a>infobox year</span> template infobox_year not found ]] blocks=32,490 supply=0 mining=1,624,500 startdifficulty=1.00 enddifficulty=1.18 blockreward="50 BTC"]]2009 was the year of Bitcoin's launch.TOC



  • 03 – The genesis block is established by Satoshi Nakamoto.
  • 09 – Bitcoin v0.1 is released on the ?cryptography mailing list and mining begins.
  • 11 – Block 78 is the first to be mined by ?a known individual other than Satoshi.
  • 12 – The first transaction occurs between Satoshi and ?Hal Finney.


  • 05 – New Liberty Standard publishes the earliest exchange rates based on cost of production.


  • 12 – Satoshi releases Bitcoin v0.2.

  • 30 – The difficulty adjusts for the first time, rising from 1 to 1.18 on block 32256. <!--==Deaths==