Proof of Authounication

Bitcointalk username : D4ffyduck
Bitcointalk URL : https://bitcointalk.org/index.php?action=profile;u=1176088
Telegram username : @untungdiliy

Link content :
https://telegra.ph/Obzor-EXCALIBUR-OS-11-11
https://d4ffyduck.blogspot.com/2018/11/excalibur-os-pertama-dunia-dengan.html
https://d4ffyduckblog.wordpress.com/2018/11/11/%d1%82%d0%be%d0%ba%d0%b5%d0%bd-xos-%d0%b1%d1%83%d0%b4%d0%b5-%d0%b2%d0%b8%d0%bf%d1%83%d1%89%d0%b5%d0%bd%d0%b8%d0%b9-%d0%bd%d0%b0-%d0%b1%d0%b0%d0%b7%d1%96-%d0%bf%d0%bb%d0%b0%d1%82%d1%84%d0%be%d1%80/