Giải Thích Về Công Nghệ BlockChain By Deana NelsonApril 23, 2021News Thư Viện Các Video: https://www.youtube.com/watch?v=D0z-EA7s1rI&list=PL4LH7zTaazPfLFYR9HvFb4HhXnjdg9hDv Steve Rich's Exciting New Book: A Journey into the World of Forex Trading! Interview Meet The Founder