Social networks are of course, but when was the main influx of investors from social networks? You need a certain marketing plan to attract people with money who are ready to invest in something new.
Now telegram is very popular among social networks. But it is very important to have anouncents about platform on media and press-releases published in media that more people would know about this financial and trading platform, Do you alredy have some published press-releases?
And it seems to me that the project should be advertised primarily among people who are fond of cryptocurrencies, and they are only on thematic forums. Social networks have, of course, a large audience, but there 90 percent know nothing about blockchain and cryptocurrencies at all!