Pharmaceutical Cold Chain Logistics Traceability System Based on Blockchain Technology

With the rapid development of China's pharmaceutical industry, higher requirements are put forward for drug quality, supply chain control and traceability system. Based on blockchain technology, this paper builds and runs a set of traceability database. The data storage adopts the combination of the Internet of Things and distributed sensing for collection, transmission, analysis and processing to form a new traceability information base. A perfect and stable and controllable mechanism has been established through the database to ensure a good circulation environment for drugs from the source to the terminal, and to ensure that consumers' requirements for effective and rapid tracking and feedback control of product quality and supply chain control during the use process have been fully reflected. After that, the performance of the system was tested in this paper. The test results showed that the blockchain technology-based pharmaceutical cold chain logistics system has a fast data transmission time and high system operation efficiency, which can show that the system can meet user needs.