PROOF OF AUTHENTICATION
Bitcointalk username :paulocesar1975
LinkedIn profile https://www.linkedin.com/in/douglas-santos-715b1b161/
Facebook link   :    https://web.facebook.com/paulocesar.silva.5439 
Telegram username    : @psantos1975
Wave Address 3PNoqopdMiNyakaRdBfbwRQaABfrqiVggKK