Proof of authentication post
Bitcointalk user name: River1973
Bitcointalk profile link: https://bitcointalk.org/index.php?action=profile
Twitter user name: @hat1973
Twitter profile url: https://twitter.com/hakt1973
Facebook username: Ha Quang
Facebook profile link:https://www.facebook.com/profile.php?id=100025343670023

telegram user name: @HaK30