#Proof of Authentication
Bitcointalk link : https://bitcointalk.org/index.php?action=profile;u=2160449
Facebook link : https://www.facebook.com/phunganh.linh.5036
Twitter Link : https://twitter.com/vanhanh2901
youtube: https://www.youtube.com/channel/UCdsgYCKRPdnKadHNykcUIJw
Telegram : @thutrang0906