#Proof of authentication post
TELEGRAMNICKNAME joined: @thiennhan677
Bounty My account link:
Bitcointalk username: thiennhan677

Bitcointalk URL: https://bitcointalk.org/index.php?action=profile;u=1883706

Twitter URL: https://twitter.com/lybui14

Reddit URL: https://www.reddit.com/user/thiennhan677

Linkedin URL: https://www.linkedin.com/in/buithiennhan677

Steemit URL: https://steemit.com/@thiennhan677

Medium URL: https://medium.com/@thiennhan677

YouTube Profile URL: https://www.youtube.com/bestbtn

Caimpaign jion: facebook, twitter ,reddit , linkedin  , medium & steemit,youtube.

ETH address: 0x2bb0d5f4Ab510e7955Eb30B083310427D54c166d