At the risk of sounding like a broken record, because I know others may have echoed or will echo same sentiment down in the comment, I think this is the best, simple, straight-to-the-point-no-fluff explanation of the term blockchain which many erroneously take to be the synonym for freedom. The one thing that dampens my enthusiasm is the term "unhackable." I don't believe ANYTHING, in the very end, is totally unhackable. What we in the cryptocurrency revolution must hope for (and hopefully bring about) are security successes/systems that allow the wealth to be more equitably/meritoriously distributed from the elites to the world, before they can enact their hegemony. In other words, are our programmers better/smarter/more innovative, than their hackers,