#Proof-of-authentication:
   •   Bitcointalk username:Elizabeth Bob
   •   Telegram username:@morinwiley1217
   •   Twitter username: @tomaosugiwaru
   •   Link to your tweet about Smart City Eco:https://twitter.com/tomaosugiwaru/status/1008049412306710528
   •   Facebook:https://www.facebook.com/tran.dave.148
   •   Link to your Facebook post about Smart City Eco:https://www.facebook.com/tran.dave.148?hc_ref=ARSmRGlzKFjpq8GpuL0Py5EKROftQExB4uMoJ7zcl4PJSqmc7qNGluEKPWpiRM1wZT4&fref=nf