Founded in the USA 2011, CampBX is already one of the oldest Bitcoin exchanges.
Cryptocurrency exchange Bittrex was founded at the start of 2014, operating from Nevada in the United States.
Bter is a Chinese cryptocurrency exchange operated by Maxcloud Inc., which is registered on the British Virgin Islands.
HitBTC was founded in 2013, built and maintained by HIT Technologies LP and operated by the Danish Ullus Corporation K/S.
OKCoin is a Chinese cryptocurrency exchange based in Beijing founded in June 2013. It is managed by OKCOIN PTE. LTD., registered in Singapore.