#Proof-of-authentication:
   •   Bitcointalk username: peacetoall
 •   Telegram username: @cryptorise25
 •   Twitter username: @DomainArt4u
 •   Link to your tweet about Smart City Eco: https://twitter.com/DomainArt4u/status/1008040179955724288  •   Facebook:
   •   Link to your Facebook post about Smart City Eco: https://www.facebook.com/seosmmservices4u/posts/1328840590593623