...the platform has been inactive for 15 days, it is impossible to reach them by email, 100 emails in 15 days, I guess the project is dead..
I think that you will not be able to get your money back. Nevertheless, I am interested in the question, for what reason did you choose this exchange? That they offered you that you entrusted them with your money, while there are many centralized and decentralized exchanges with a good reputation.
This platform was one of the ICO projects that succeeded in collecting significant funds from investors to establish the platform. The platform has an official announcement here on the forum, and it has also launched a Bounty campaign to introduce the ICO program. What is interesting is that the platform has been operating since 2018, and it seems that it has real problems that were addressed in one of the discussions on Reddit, but there are no other discussions or many reviews about it.