Editor’s note: Andreessen Horowitz’s Crypto Startup School brought together 45 participants from around the U.S. and overseas in a seven-week course to learn how to build crypto companies. Andreessen Horowitz is partnering with TechCrunch to release the online version of the course over the next few weeks. Week five of a16z’s Crypto Startup School gets into the inner workings of crypto projects, with a focus on security and project development from the front lines. In the first video, Jutta Steiner, the CEO and co-founder of Parity Technologies, discusses “The Evolution…