Asking regarding ad

So, I received an advert in my Instagram feed relating to a crypto trading company. It appear authentic like there 1k+ followers and constructive assessment. Its initially ask us to offer them funding and they'll return us considerably greater than precept amount like means much. Like its lowest package deal is of 850 rs if I make investments 850 rs by way of their buying and selling company they'll provide me with profit or refund. But i am so confused