Kraken was founded back in 2011 but was officially opened two years later. It is one of the oldest active cryptocurrency exchanges. Kraken provides efficient trading opportunities in numerous Fiat currencies. It is currently holding the world leadership in terms of Bitcoin to Euro trading volumes. The exchange supports both crypto and Fiat deposits as well as withdrawals.
CEX.io can be called one of the oldest exchange platform and can be used all over the world.
Today this exchange supports Bitcoin, Ethereum and the number of other currencies as well. CEX. io was established in 2013 in London as an exchange and cloud mining provider.