#Proof of authentication
Bitcointalk username: tran_binh
Profil link: https://bitcointalk.org/index.php?action=profile;u=1442474
Facebook Link : https://www.facebook.com/profile.php?id=100011349862694
Twitter Link : https://twitter.com/TranBinhTr?lang=vi
Telegram : @tranbinhh
Spreadsheet #: 3924