#Proof-of-authentication:
   •   Bitcointalk username: @Wongtegal123
   •   Telegram username: @corrypto
   •   Twitter username: @leomaiil
   •   Link to your tweet about Smart City Eco: https://twitter.com/leomaiil/status/1005562673004605441
   •   Facebook: https://www.facebook.com/ismail.catalansavior
   •   Link to your Facebook post about Smart City Eco: https://www.facebook.com/ismail.catalansavior/posts/2165110723506659