Hi steemians!
As this time is considered evolutionary because of cryptocurrency which spread across the world very fast but many of us has no idea about this revolution. This video contains a small review about blockchain technology which is the reason of this new age. I self tried to research on it and this video teaches me in a good manner. This video is the basic of blockchain, that what is it and how it works.
https://www.youtube.com/watch?v=SSo_EIwHSd4
Source:youtube
Hope you like this video