Don't overlook Blockchain and the immense potential it has beyond crypto's.
Great quick read about this technology and the opportunity it has to make the world a safer place through securing IoT. This also does a great job quickly highlighting the uphill scaling problems that lie ahead for this innovative tech.
“The creation of something new is not accomplished by the intellect, but by the play instinct arising from inner necessity. The creative mind plays with the object it loves.” - Carl Jung
To those who love this tech, imagine what else we can "play with" and how we can innovate the world.... Exciting stuff lies ahead.