In this paper, we propose a new IoT server platform by introducing a block chain and store sensor data in a block chain. Mobius selected IoT server platform, Mobius authenticates IoT devices conforming to oneM2M standard, receives real-time sensor data, stores information and data in Mysql server and manages it. However, Mysql's Mobius configuration has many vulnerabilities and threats to security, and many of them have not been addressed yet. This paper propose a data storage method by constructing a block chain as a database instead of a general / conventional server construction method such as Mysql server in the server configuration method by introducing such a block chain.
ACKNOWLEDGMENT This study was conducted as a result of the study of the \Future Master of Science Program in the Department of Knowledge and Information Engineering, Employment Contract Type\ by the Ministry of Creation Science and the Korea Internet Promotion Agency.
