Little series on blockchain security

[makime]

I've here a little series on the blockchain security.

What are you thinking about that ?

Episode 1 : https://www.youtube.com/watch?v=ZASJiIJ4z3w
Episode 2 : https://www.youtube.com/watch?v=KnCXlCh1gk0
Episode 3 : https://www.youtube.com/watch?v=KaZa-Xh14BU
Episode 4 : https://www.youtube.com/watch?v=TltAAYMXcmM

English subtitle available

Thanks