#Proof of authentication post link:
Bitcointalk username: hoanghailaw
BTT profile: https://bitcointalk.org/index.php?action=profile;u=1202619;sa=account
Campaigns you participate:
Facebook: https://www.facebook.com/hoanghailaw
Twitter: https://twitter.com/HoangTrongHai6
Telegram User Name:: @Hai86