Business inspection method, device and system

• Main Authors: TIAN BAOQIANG, ZHOU CAITING, WANG LIYAN
• Format: Patent
• Language: Chinese; English
• Published: 22.09.2023
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION

The invention provides a service inspection method, device and system, and the method comprises the steps: obtaining a first service signature result generated by a terminal device based on a pre-constructed block chain transmission network in response to an inspection request for a target service, and the first service signature result is obtained through the digital signature based on the target service record data; performing digital signature on the first service signature result again to obtain a second service signature result under the electronic paper equipment; and displaying the second service signature result so as to inspect the target service. According to the electronic paper equipment, on one hand, the signature result of the terminal equipment for the data can be obtained to ensure that the recorded data belongs to the data recorded by the holder of the terminal equipment, and the signature is transmitted based on the block chain transmission network and cannot be tampered once being generated