About the only thing that would take value to zero would be an actual crack of the entire system. I'm very confident that is not happening any time soon. Even the very few entities that could do it some time in the mid-term future (a decade or two) have no rational motivation to do it.
Oh, but back to the original subject: $69.21? WTFFF? (What the fucking fuckity-fuck.) I don't think that's a rational valuation.
good morning, We have been working hard to anticipate any cyberattacks that could effect bitcoins' blockchain integrity. There has been a number of requests and concerns that we are looking at on a case by case basis. Maintaining consistant transaction processing protocols will always be at the top of our list...Ira