Hi All,

i've an account with Poloniex as it was easy to get started with it. But i have had technical issues with this exchange and i am planning to expand usage to other exchanges. Can someone recommend few exchanges that meets following criteria ?

- possibility to transfer usd to initiate trading.
- best customer support
- widest range of coins supported
- lowest transaction fees
- user friendly web interface.
- security (should not have had any hacking in the recent years)..

thanks