The site is not working right now.

Those are searching for a legit exchange for instant swap their alt-coin, I can recommend them to use the ChangeNOW platform. You can convert more than 170 coins for you without charging any additional or hidden fees
Recently I used it & it really works very smoothly & almost instantly.
They have also lots of other feathers also & also have their native token NOW.
It's a coinmarketcap listed token. You can check out here their platform for more details: https://changenow.io/