#Proof-of-authentication:
   •   Bitcointalk username:laewrenc01 :https://bitcointalk.org/index.php?action=profile;u=1421501
   •   Telegram username:@vkuolls
   •   Twitter username:@vkuolls
   •   Link to your tweet about Smart City Eco:https://twitter.com/Vkuolls/status/1006081467754008581
   •   Facebook:https://www.facebook.com/vkuolls/
   •   Link to your Facebook post about Smart City Eco:https://www.facebook.com/vkuolls/posts/1213440115456396