Research Article

Blockchain-Based Secure and Trusted Distributed International Trade Big Data Management System

Table 3

Data owner managed data test results table.

TestOperateExpectedResult

Test whether users can encrypt data contentMonica uploads the data file test data and symmetric key and clicks the data encryption buttonThe data content is encrypted and can be decrypted using the symmetric key to obtain the original data fileAccord

Test whether users can modify data informationLucy modifies data informationThe data information in the blockchain state database is modifiedAccord

Test whether nondata owner users can modify data informationJessica modifies data informationNondata owners cannot modify data informationAccord