Looking forward to make my site go viral. SEO?

Hi, just completed my site and its a mini general store. Now, I need to make my site go viral and increase awareness about my site to the public. And for that I need SEO, right?
I searched on google and asked some people and some recommended Blackhat SEO and some Whitehat SEO.

Now, then I googled Blackhat seo and I saw that blackhat seo techniques can get my site deindexed and deranked from google? I was not sure about that and hence thought to ask you guys. So, what will be better for my…

Looking forward to make my site go viral. SEO?