Bitcointalk name: Nguyenthitam88
Article  Link
1. https://icotopreview.com/w12-io-giao-thuc-chuoi-khoi/
2. https://steemit.com/w12/@thuyet101190/w12-io-blockchain-protocol
3. https://nguyenvanthuyet.blogspot.com/2018/12/cong-nghe-chuoi-khoi-e-am-bao-tinh-minh.html