#Proof-Of-Authentication
Bitcointalk Username: Ekaterina777
Bitcointalk Profile Link:https://bitcointalk.org/index.php?action=profile;u=1762460
Telegram Username: @Kiriluekaterina
0x19893Bf6b4D65F0dE2D80199817498C14c60526F
Link Article Campaign:
https://golos.io/excaliburico/@ekaterina77/excalibur
https://steemit.com/excalibur/@ekaterina77/excalibur-os