#Join Proof of Authentication

Campaign: Facebook, Twitter.

Bitcointalk username: cubo444
Bitcointalk profile Link: https://bitcointalk.org/index.php?action=profile;u=2290406
Facebook URL: https://www.facebook.com/anhsunphukien
Twitter URL: https://twitter.com/thanhanlent
Telegram URL: https://t.me/matocdo79