This article explains very well in simple terms how block chain works and why it is and will be such a game changer in the world. I promise you won't read about 'nodes' or 'hashing' in this article.
"It's happening in an increasingly frequent manner: "Jamie, explain this blockchain stuff to me. I've read a bunch of articles and I'm no wiser." The problem with most blockchain explainers is that they provide more detail than what matters to most people, using language that is foreign to most people, which winds up leaving people more confused than when they started. Instead, without worrying about being a technically perfect description, here's an explanation of blockchain your parents could understand..."
Needless to say I did not write this article. It was published by Jamie Skella on LinkedIn, but as it was so useful to me I really though a number of you would also appreciate this simple, clear explanation we can use to share our enthusiasm with our friends more easily on crypto currencies and block chain in general.
Have fun,
Oscar