#Proof-of-authentication:
   •   Bitcointalk username: koplok    
   •   Telegram username:   @brams12
   •   Twitter username:      @AiSia_MeniRiweh    
   •   Link to your tweet about Smart City Eco: https://twitter.com/AiSia_MeniRiweh/status/1005677680124092416
   •   Facebook:      https://www.facebook.com/dadangkiw                    
   •   Link to your Facebook post about Smart City Eco:   https://www.facebook.com/dadangkiw/posts/2138062149748932