Q: I foolishly provided the "u tube" site my email and cell phone # address.  They texted me a pin # which I entered into this mac.  Am I in trouble?

I foolishly Mistook the "U Tube" site for the legitimate "You Tube" site and provided my cell phone #.  They sent me a pin which I input on the U Tube web site on my Mac Pro.    What have I done????  Am I in deep doo?