On 11th September 2021, Department of Commerce (CA) conducted a Special Lecture on “Blockchain Technology and Bitcoin”. Dr. R. Kamaraj, M.Com., M.Phil., MBA., B.Ed., Ph.D., Head and Assistant Professor, Department of Commerce (CA), S.A. College of Arts and Science, Chennai was the chair person. Dr.N Rajavel, Principal welcomed the gathering. Through this lecture the student came to know, how the blockchain technology works to secure the data in the digitalized market. Also he explained the role of Bitcoin in the industry and its operational system. Nearly 95 students benefited through this programme. The programme came to an end with the vote of thanks by Dr.S.Ramesh, Head, Department of Commerce (CA).