Telegram
Bitcointalk username     : hoangvuthach
Bitcointalk profile URL  : https://bitcointalk.org/index.php?action=profile;threads;u=1066639
Telegram: @ThachCaCa
ETH Address: 0x4d893cF99C691958491EE9E1b35f4A1FED7B3A9A
This is my proof of authentication. I will join telegram campaign.