Proof of authentication
bitcointalk  name : kh bhuiyan
profile: https://bitcointalk.org/index.php?action=profile;u=1265085
facebook: https://www.facebook.com/hasan.bhuiyan.37625
twitter: https://twitter.com/sultanbhuiyan71
telegram: @khbhuiyan
eth address: 0xC419fBe02d737883513B3CAa96d6053Bf1ce5213