A. The area of information that existing platforms attempt to implement blockchain is the patient data. Medical information gathered from patients are scattered in various medical institution. Although each individual is the owner of the information, there are many difficulties in obtaining the historical data required by higher hospitals. However, NKCL's data is internally managed by NKCL making it easy for the owners to access data without violate the Privacy Act.

A. Blockchain technology can be utilized to efficiently and securely manage personal data. Since blockchain requires consensus from a large number of network participants, information can be safely protected. Also, data can be delivered while maintaining the protection of sensitive information.