#proof of authentication
Article
Content creation campaign.
bitcointalk profile: nabdi
bitcointalk profile link: https://bitcointalk.org/index.php?action=profile;u=1866640
Spreadsheet Number: 47, 48
Article link: https://steemit.com/ico/@vlad-di/povyste-svoyu-tochnost-s-pomoshyu-ofnog
https://golos.io/ico/@dinar1996/povyste-svoyu-tochnost-v-torgovle-s-pomoshyu-platformy-ofnog

ETH: 0x3EC69bd424715e196D4af4da99513Bc6d040f051