#Proof of authentication  
Campaign : Twitter
Bitcointalk username: minhkhang192017
Bitcointalk profile :- https://bitcointalk.org/index.php?action=profile;u=2069893
Twitter link:- https://mobile.twitter.com/buithiphuong19
ETH : 0xe71baf4b0321ebaef8947254ba0280d3a7989cb0