Hello Sir
I can design and develop cryptocurrency exchange website for you. I know about bittrex and i have done many crypto exchange websites. Not only exchange but also HYIPS wallet systems
Time required at least 2 months.
I have more than 6 years of work experience in PHP, Wordpress, Graphics Design, Website Design, Bitcoins, HTML, Magento, CSS, Javascript, Code Igniter and C#.net development.
Waiting for your reply
Thanks