Proof of authentication
Buzzex username: quangkhanh140377tP7z4Vv
Bitcointalk Username: coinquangkhanh
Campaign: Buzzex Airdrop Campaign
Telegram Username: @airdropalerteveryday
Twitter Username: @coinquangkhanh
URL of re-tweet: https://twitter.com/Buzzexio/status/1050216786241576960