IEX : transparency and security, i like this concept,
work with fiat visa or mastercard to buy or sell any cryptocurrencies
Such solutions would be innovative a few years ago. Today it is practically the standard for exchanges.
and more than, it's divised in two parts (light & dark)... nice
But this is really a fresh solution. This can be considered a know-how.
The main thing that the developers did not disappoint with the implementation. The idea is really good, but it still needs to be adequately implemented in the program code, and this is not easy to do.