#Proof of authentication

Bitcointalk name: Maxim2490
Bitcointalk Profile Link: https://bitcointalk.org/index.php?action=profile;u=2074123
Publication Links:
https://www.youtube.com/watch?v=1qzgKdAspy0&t
https://www.youtube.com/watch?v=N5CAABJmUJM&t
https://www.youtube.com/watch?v=H3jilofVMsM&t
https://www.youtube.com/watch?v=86vp-rnKgfI&t