The price won't continue to rise if nobody is selling, it's idiocy to assume this.
What will happen is people will stop buying.
There's only one thing that follows this and it's not 'to the moon' or 'trending to infinity' as I've read on these forums from some people - it will crash and crash hard.
Quoted to be revisited later.
Perhaps you would like to clarify some figures and time frames you see it "crashing" to?