2009
		
		
		
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2009
| Bitcoin year | 1 | 
| First block | 0 | 
| Blocks solved | 32,490 | 
| Initial supply | 0 BTC | 
| Bitcoins mined | 1,624,500 BTC | 
| Difficulty | 1.00 — 1.18 | 
| Block reward | 50 BTC | 
2009 was the year of Bitcoin's launch.
Events
January
- 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.
October
- 05 – New Liberty Standard publishes the earliest exchange rates based on cost of production.
December
- 12 – Satoshi releases Bitcoin v0.2.
- 30 – The difficulty adjusts for the first time, rising from 1 to 1.18 on block 32256.
