#Proof-of-authentication:
   •   Bitcointalk username: vepr777
   •   Telegram username: 777vepr
   •   Twitter username: @rootkitlink
   •   Link to your tweet about Smart City Eco: https://twitter.com/rootkitlink/status/1007173927356043264
   •   Facebook: https://www.facebook.com/rootkitlink
   •   Link to your Facebook post about Smart City Eco: https://www.facebook.com/rootkitlink/posts/2337478796269153