#Proof of Authentication
bitcointalk username: huyentrinh
telegram username: @huyentrinh1
twitter: https://twitter.com/Hung30921106
facebook: https://www.facebook.com/nguyenthanh.binh.106
youtube: https://www.youtube.com/channel/UCp-wMlMzPD9pfdsqHKY0Vqg?view_as=subscriber
eth address: 0x771b4ae7cb425cdc230e93b1bbe320671c17007b