Update: Cointellect’s service legitimacy has been more closely examined in a fraud risk assessment found here.
Bitcoin exchange Bitstamp was originally founded in Slovenia in 2011, and is currently registered in the Luxembourg.
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.