#Proof of authentication
Bitcointalk username: bestfrend2018
Bitcointalk profile URL: https://bitcointalk.org/index.php?action=profile;u=2501046
Telegram username: @nguoiphanxu021091
Youtube account: https://www.youtube.com/channel/UCHZd8EHdr2JZBdAsEGEXLfQ
Link to video :  https://www.youtube.com/watch?v=Dc0IMqOE0b8