Bitcoin, of course. I don't require social media, in order to live. I do require money.
Discussion
You should really consider diversifying if you're so all in on Bitcoin you'd have no money without it.
I understand Bitcoin miners might continue finding blocks even after a Carrington event, but that doesn't mean you'd be able to use the network, and Carrington events aren't supposed to be as rare as you'd be comfortable with, knowing this.
I think many people nowadays are that addicted they would answer the other way round 😥