<a href="https://www.youtube.com/watch?v=yQGQXy0RIIo" rel="nofollow">https://www.youtube.com/watch?v=yQGQXy0RIIo</a><p>One of my favorite documentaries on Bitcoin. Worth watching / listening to Andreas M. Antonopoulos talks on youtube too. He's the only person who could describe the inner workings of Bitcoin that I could understand