​This week on Lessons from the screen we will be looking at cryptocurrencies.  We will tell you what it is, go into a bit of the history, go into a lot of the present, and finally give some takeaways for this particular situation.  With the vast amount of wealth flowing into and out of these new pieces of code, obviously there are a lot of people trying to jump on board the money train and ride it to the top of the mountain.  But some are risking without understanding, and i [...]