Looking for Blockchain Tutorials

Guys, I really need to find some decent blockchain tutorials. Something that's clear and doesn't go into too much fluff. Maybe someone can suggest something worthwhile?

I understand how hard it's to find really good blockchain tutorials, especially when you want everything to be clear and without unnecessary information. I have been looking for something worthwhile for a long time and finally came across blockchaindose.com, everything is presented clearly and to the point. The materials are structured in such a way that even if you are a beginner in this business, you will easily understand it. Take a look, maybe this is exactly what you are looking for to learn blockchain.