#Proof of authentication
Bitcointalk Username: kongbudi08
Telegram Username: @kongbudi
Bitcointalk url: https://bitcointalk.org/index.php?action=profile;u=2745645
Wallet address (eth): 0xBaD07e023bBA6a6bb19ba345f5EcFA431DBcb42a
article link: https://kongbudi08.blogspot.com/2020/02/olportal.html