Hoc Vien Chuyen Doi So Blockchain Academy Joint Stock Company Address: No 4, 4 Vong Thi Lane, Buoi Ward, Tay Ho District, Ha Noi City Enterprise code: 0109518706 Phone: 0911111184 Representative: Phan Trinh Quoc Kien Adress: No 44B Hang Tre, Ly Thai To Ward, Hoan Kiem District, Ha Noi City Buoi Ward, Tay Ho District, Ha Noi CityFounding date: 2 - 2 - 2021