Samsung Electronics Co. Considering a blockchain ledger system that tracks global shipments worth tens of billions of dollars a year, according to Song Kwang-woo, head of blockchain at Samsung SDS Co.,

Hello Steemit! I would like to introduce myself. I am Buidung, I am 36 years old. Currently living in Vung Tau City - Vietnam. I am a Geography teacher, a subject that I loved so much from a young age.