Hellow guys, Welcome to my website, and you are watching [블록체인 Part.2] 블록체인의 원리(feat.해시) 4차산업혁명ㅣ북스토랑 Book'staurant. and this vIdeo is uploaded by 과학기술 코스 at 2018-01-06T08:39:30-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
