#Proof-of-authentication:
   •   Bitcointalk username: atlant
   •   Telegram username: @Alexsander_Atlant
   •   Twitter username: @derkdossayt
   •   Link to your tweet about Smart City Eco: https://twitter.com/derkdossayt/status/1007389023046983680
   •   Facebook: https://www.facebook.com/gefestatlant
   •   Link to your Facebook post about Smart City Eco: https://www.facebook.com/gefestatlant/posts/1862788200454832