#Proof-of-authentication:
   •   Bitcointalk username:laewrenc01
   •   Telegram username:@vkuolls
   •   Twitter username:@vkuolls
   •   Link to your tweet about Smart City Eco:https://twitter.com/Vkuolls/status/1006991965647335425
   •   Facebook:https://www.facebook.com/vkuolls
   •   Link to your Facebook post about Smart City Eco:https://www.facebook.com/vkuolls/posts/1215028331964241