I agree that promotion is necessary, but projects must be useful for people to be in demand.
It is necessary to create and develop the platform that people will use in future a long time.
Now P2P platforms are very popular. Many people use them to buy cryptocurrency and to find the best conditions for themselfs.
For P2P platform it is very important to be safety.
The demand for P2P platforms is very big. Many people prefer to discuss the conditions of exchange cryptocurrencies by themself and communicate with each other.