2011

Years: 2009 2010 2011 2012 2013

2011

2011 was the third year since the launch of Bitcoin. Dollar parity was achieved as Satoshi Nakamoto departed.

Events

02 – Luke Dashjr standardizes Tonal Bitcoin.
08 – Bitcoin Pooled Mining reaches 10 Ghash/s.
28 – Block 105000 is mined, meaning the supply of bitcoins reaches 25% of its target.

09 – Bitcoin achieves dollar parity. 1 bitcoin trades for 1 US dollar on Mt. Gox.^[1]
10 – News of dollar parity attracts significant attention; bitcoin.org struggles to handle the traffic.^[2]
14 – For the first time, a vehicle is offered for a sum of bitcoins. It was a 1984 Celica Supra for 3000 BTC.^[3] A buyer was never found.

01 – Jed McCaleb sells Mt. Gox to Mark Karpelès.
06 – The network hashrate briefly doubles.^[4]
18 – BTC/USD exchange rate reaches a 6-week low point at almost $0.70/BTC, after what appeared to be a short burst of possibly automated sales at progressively lower prices. The price had been declining since dollar parity.
22 – WeUseCoins publishes What is Bitcoin?, which became a viral hit.
25 – Difficulty decreases for the second time ever.
27 – Britcoin is established, opening the first Bitcoin exchange for the Pound Sterling.
31 – Bitcoin Brazil is established, opening the first Bitcoin exchange for the Brazilian real.

05 – Bitmarket.eu is established, opening the first Bitcoin exchange for the Polish złoty.
12 – The first Bitcoin put option contract is sold on Bitcoin-OTC.
16 – TIME publishes an article on Bitcoin.
23 – The exchange rate reaches parity with the Euro and Pound Sterling.
27 – VirWoX is established, opening the first Bitcoin exchange for the Linden dollar.
30 – Difficulty tops 100,000.