The blockchain and electronic signature technology solve the problems of traditional paper documents that are not received in a timely manner, easy to lose and tamper with and high in management costs, and achieve the integration of document flow and information flow. Meanwhile, digital signature technology is used to solve the problem of traditional paper documents being unable to handle anomalies. Abnormalities found during the logistics delivery process can be corrected in a timely manner, and the modified data can be uploaded in real time. Both parties operation and settlement personnel can obtain accurate data in a timely manner and create a blockchain-based trusted document signing platform by taking advantages of JD Logistics supply chain and relying on existing logistics networks and technologies.