In recent years, the rapid development in information technologies appears in the form of digitalization, all of the processes in the health domain. Among the state‐of‐art, virtual reality, artificial intelligence, and blockchain technologies are among the most mentioned. In addition, the exponential increase in data kept in the electronic environment causes traditional central applications to face new challenges. The most important of these are accountability, transparency, security, cost, and time efficiency. In this study, a model based on blockchain technologies has been proposed to increase the transparency, accountability, and security of multi‐stakeholder shared medical data by using smart contracts (SCs). In the first part, there are briefly introduced the current situation of the health domain, blockchain technology, hyperledger fabric (HLF) and SCs. Afterward, in line with the latest technological developments, the studies carried out using the blockchain framework related to organ/tissue transplantation were examined. Lastly, the proposed framework was designed based on blockchain technologies for organ/tissue transplantation by using the HLF environment. The blockchain technology not only provides more visibility, more security, and better outcomes but also enables to store data securely and cheaply without allocating extra resources to a trusted authority. Thus, it can be ensured that the system is more transparent and more accountable.

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The aim of this study is to improve a medical module providing data flow between data center and prehospital disciplines like nearby hospitals, field hospital, temporary inhabiting areas such as tent city and vehicles for transportation by using the internet. This study is conducted by using Microsoft Access database and SQL query to inform database applications so that the real-time information flow between health care experts and health care team in the disaster area is provided. System has been created on Microsoft .Net platform using C# language. MMDIS can be used kind of a field like all the pre-hospital processes. Web application enables access to database. On the other hand, the professionals who use this application have different permissions to access this database. The professionals' duties specify those permissions. Interfaces have been created to access the database that enables data entry, data query, data storage, delete data etc. The users' access to the web application is provided by www.afmedinfo.com. The real-users tests are organized to evaluate this application's achievements. These tests include the experiences of 13 users who are volunteers. The body language, hands and eyes movements of the users are being recorded with a camera. It will be measured how much and how long these duties will have been achieved by the end of April. The results obtained from these tests will be used for the reengineering of web applications. After that, these tests will be reapplied and obtained results will give the last form of this web application. Finally, new awareness that how disaster-based information systems are used in the field of health is improved with this study. This awareness provides not only the disaster information system which is an early warning system but also data flow which manages the process about victims in the disaster area. In addition to this, subjects and the differences of the health care practices of disaster information systems are uncovered.