Just when you promise yourself that you are going to work on systems for a couple of weeks and not get diverted, you get to hear about new ways to kill time learning crypto

As a programmer, my core strengths have always been knowing how to apologize to users, and composing funny tweets. While I can hook up a web template to a database and make the squigglies come out right, I cannot efficiently sort something for you on a whiteboard, or tell you where to get a monad. From my vantage point, crypto looms as high as Mount Olympus. - Maciej Ceglowski on Matasano Crypto Challenges