Proof of authentication#

Telegram username: @thuanhai
Bitcointalk username: vuthuanhai1990
Facebook URL profile : https://www.facebook.com/VuThuanHai1
Twitter URL profile : https://twitter.com/VuThuanHai
My ETH address : 0x4b9216767402059F5E69B019F776d85AAe8911cA