A blockchain-based intelligent anti-switch package in tracing logistics system

In recent years, with the rapid development of e-commerce and network technologies, many people do online shopping through the Internet. If a physical product is bought by a client, the store will entrust their logistics to deliver the goods to the client. However, there have been many cases of switched goods which were purchased by clients recently. Some scholars proposed a security mechanism with a subliminal channel for E-cash and digital content previously. Only the designated sender and the designated receiver know the subliminal message which was hidden in the signature. Thus, it can be applied to solve the switched package issue. According to the WTO (World Trade Organization) forum, blockchain-related logistics applications have gradually emerged in recent days. Blockchain technology is essentially a decentralized database maintained by the collective. It has the characteristics of high reliability and high confidentiality and has a good prospect in effectively solving the trust problem between the two parties. In short, blockchain information will be publicly verifiable and cannot be tampered with, which provides solutions for traditional logistics. It realizes trust and cooperation between multiple entities, and create a modernized logistics environment. In this paper, we attach a sensor to monitor the situation of the delivery object and tag on the package to be an IoT object. The proposed scheme is a blockchain-based intelligent anti-switch package in tracing the logistics system. The client can check the GPS (Global Positioning System) location, the temperature, and humidity sensing data of the package any time during the delivery process, and the IoT-related intelligent logistics can be achieved. The proposed scheme also achieves data integrity, resisting replay attack, forward and backward secrecy, non-repudiation, and mutual authentication.