We have this script for you, its easy javascript safe and secure. Through a nice back end panel you can add/ remove coins and offer your users a swap system for different coins. Mny coins are already supported for any exotic coins we can easy help you exspand the site.

You only need a webserver, anti ddos protection and some basic knowledge about backend management (easy) .

Send me a pm and we might be able to help you kickstart the project!