#proof of authentication

Campaign type: Article
Bitcointalk username : artvanvan
Bitcointalk profile link : https://bitcointalk.org/index.php?action=profile;u=2679983

Article Link : https://medium.com/@a1duongmon/di%CC%87ji%CC%87tal-altin-alt%C4%B1n-olarak-depolanmas%C4%B1-ve-%C3%B6demesi-kolayla%C5%9Ft%C4%B1r%C4%B1lmas%C4%B1-854838890426?sk=19a200673b1a26e899a0e9e74ce258f8

ETH address :  0x28317a51a70e012aced506aba18527b74ac05280