If you don't know op the mark of the beast are being writing daily in the forehead  of many people. One of those mark of the beast is social media, porn site and movies industry because the way revelation put is not going to be a physical mark but an idea that will be planted in people head remember revelation didn't said on the head it said in the head.google know what you are looking for so know your need. Facebook know what you like so send your what you like and youtube know what your eye what to see so it shows that. Bitcoin will definitely survived if it is part of God agenda.