AFAIK, this is an exchange right? An exchange mostly for shitcoins. A friend of mine was an investor to that platform and sad to say he had some bad experiences regarding the platform together with the shitcoin she had with her investments, even if the coin has 0 value, its still on the exchange.
Yes, it is an exchange. I am using Mercatox since 2017, I only encounter a delayed withdrawal from them but it was resolved. I do not know why there's still shitcoin in their market even the project is dead. Maybe your friend can ask them. Mercatox can't do anything about the investment of your friend from shitcoin.
Though, this is just a story from her, but if you'll gonna ask me, I'd better not take risk from this. Using the top exchange is still the suitable and best way to keep our investments safe.
I don't have any problem from Mercatox, I will still use their platform not because I am promoting them it is because I like the security that they have. Anyway, I am using a Binance also and other top exchange.
Anyways, goodluck on promoting that site.
Thanks man, have a great day.