#Proof of authentication:

Campaign(s): content
BitcoinTalk Username Viktor87sh
BitcoinTalk profile: https://bitcointalk.org/index.php?action=profile;u=1698912
youtube channel url: https://www.youtube.com/channel/UCoNO0CfmhugRNb9jLNNCs_Q   
Telegram : @Jayanti_Amano
video links
https://www.youtube.com/watch?v=20Y7fsw3y-c
https://www.youtube.com/watch?v=DDzlF8WWBbM
https://www.youtube.com/watch?v=_8tlZahti7M
https://www.youtube.com/watch?v=UKbgHsx3FI8