Yes correctly, you must have it and input it as your unique ID. Create it is not a difficult thing to do. Just go to https://www.myetherwallet.com/ or install metamask on your browser, you'll have it in few second.
To be honest, watch porn and make money isn't a new thing for me, as far as I can remember I've come across a project like this one, but it didn't end well. If this have something different, then might have chance.