No, they all are, and frankly, I am putting the following line in my hosts file until you all grow up a little and go discuss your toy currencies somewhere else
127.0.0.1 news.ycombinator.com
127.0.0.1 news.ycombinator.com
That's quite inefficient. Your browser ( and any other apps ) will attempt to connect to your legacy IPv4 localhost, time-out and fail, assuming you don't have a web server listening there.
Better to black-hole with an unroutable address. Try [::].