10 years ago, I stood on a similar TED X stage and said that the technology behind Bitcoin, one of the biggest innovations of our time, would soon impact society in a positive way. It was a statement that was received with big question marks. Almost nobody knew what blockchain meant today.Probably most of you know about it. Some of you maybe haven't invested and if you were lucky, you made some money out of it. But that's about it.That's what it's known for today as a way to get rich fast, avoid play paying ...