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Medication errors are one of the problems to be solved not only in Korea but also across the world. To prevent a medication accident in advance, the comprehensive management of individual medication history is essential. Currently, in the hospital-centric Personal Health Record system, if the patient is prescribed medicines at multiple hospitals, he/she needs to go to the hospital where a medicine was prescribed to get the corresponding needs such as prescription or medical certification to record the prescription information on his/her own. Alternatively, the patient needs to record the prescription information on his/her own. This is very time consuming, inconvenient, and even worse, not reliable method because of input errors. Therefore, in this study, we developed Patient-centric medication history recording system using blockchain, which is directly capturing QR code printed on the envelop by drug store based on prescription. All the information are stored using the hash value of the data in a blockchain and it prevents the tampering of the data. In addition, this system adopted Fast Healthcare Interoperability Resources, which is the international health information exchange standard, as way to improve interoperability.
Kim et al. (Fri,) studied this question.