Proof of authentication
- Bitcointalk username: khanhht1809
- Bitcointalk link: https://bitcointalk.org/index.php?action=profile;u=2655165
- Telegram link: https://t.me/khanhht1809
- Facebook link: https://www.facebook.com/khanhht1809
- Twitter link: https://twitter.com/khanhht189
- Campaigns applied for: Telegram, Facebook, Twitter, Referral