#Proof of authentication

Bitcointalk username: hoangvuthach
Profil link:   https://bitcointalk.org/index.php?action=profile;u=1066639
Campaign :  Blog/Article
Link of the Blog / Video : https://youtu.be/5eIUMPsX_OE
Telegram :  @hoangvuthach
Eth Address : 0xc175a33e3231E477E0109FA3498D413A0774a100