#proof of authentication
bitcointalk username: nguyennam113
telegram username: @Nguynam
facebook username: Phúc Dũng
twitter username: Tylalua
linkedin username: https://www.linkedin.com/in/t%C3%BD-v%C4%83n-a61658173/
Ethereum Address: 0x2299F568b86A031fb3A42eA591EA14Be8643D7aD
medium username: https://medium.com/@nhokkutj113