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#Proof of authentication

Bitcointalk username: cczy
Profil link: https://bitcointalk.org/index.php?action=profile;u=2306888
Facebook Link : https://www.facebook.com/chengchao88
Twitter Link : https://mobile.twitter.com/Ndxx8URfBiu2cHc
Telegram : @cy9003
Spreadsheet #: 531