Poloniex is a pure crypto to crypto exchange based in the United States. With a grand redesign in early 2015, the site has added a wealth of features to provide a fully immersive trading experience. Technical analysis charts and live chat mean it is easy to stay abreast of news flow and analyse price trends before taking a position.
For a crypto to crypto exchange, there is good security and decent volume and order book depth for the majority of its trading pairs.
Trading fees are flat at 0.25% and deposit and withdrawal fees are subject to the blockchain's specific minimum transaction fee.