#Proof of Authentication
Bitcointalk username: LeVanGuong
Number of this thread: #200
https://bitcointalk.org/index.php?topic=5092421.msg49168849#msg49168849
Bitcointalk profile URL: https://bitcointalk.org/index.php?action=profile;u=2460343
Your telegram username: @Nguyenhoanggiang1959
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