#Proof-of-authentication:
   •   Bitcointalk username:infosky
   •   Telegram username:@roopsinfosky
   •   Twitter username:@InfoskyGagan
   •   Link to your tweet about Smart City Eco:https://twitter.com/InfoskyGagan/status/1007929153826541568
   •   Facebook:https://www.facebook.com/gaga.infosky
   •   Link to your Facebook post about Smart City Eco:https://www.facebook.com/gaga.infosky/posts/1656277124425784