Dear Bitcointalk users,
I guess that the majority of you already know what a blockchain is.
But you may need help to explain this fabulous technology to your friends!

Well, in case if you are not already a pro in blockchain, or that you need help to explain blockchain to your grandma, we made a video for you!

Discover what a blockchain is thanks to the horizen academy in this video in English:

And en français également : https://youtu.be/BapBjmSlL2c

Feel free to tell us what you prefer about blockchain technology, immutability, or decentralization?