#Proof of authentication

Bitcointalk username: konstant111
Bitcointalk URL: https://bitcointalk.org/index.php?action=profile;u=825974
Campaign Name: telegram, twitter
twitter: https://twitter.com/kostik12123
Telegram Username : @konstant123
Eth Address : 0xa3beBBea49563A6D6D1AC44D1B7c7d7d098B09Fe