#Proof of authentication
bitcointalk name: topcoin_free1
bitcointalk url: https://bitcointalk.org/index.php?action=profile;u=2518233
Campaign: Facebook, Twitter, Linkedin, Telegram.
Facebook Link: https://www.facebook.com/cuc.da.73
Twitter Link: https://www.twitteraudit.com/topcoin_free
Linkedin Link: https://www.linkedin.com/in/thach-luan-468667156/
Telegram Link: @topcoin_free
Sparrow User ID 4e87a0bf-9702-4b3e-92c7-46ccd609befa