#Proof of authentication
Bitcointalk username: sergstz90
Bitcointalk URL: https://bitcointalk.org/index.php?action=profile;u=1845961
Telegram username: @sergeyksa90
Эт aдpec:0x1C3095f7D1e340b12E58fBA192CE370B16B94886

LINK youtube video  : https://youtu.be/jx_npmKrRgE