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By analyzing the security threats in Int\u2019l Trade transactions, this article used additive aggregation functions to analyze the protection effect of privacy data and studied the core issues of Int\u2019l Trade privacy data. This article analyzed the privacy protection model using the Internet of Things blockchain and proposed corresponding Int\u2019l Trade privacy data protection strategies. Among the five surveyed enterprises, data audit and data backup were all above the standard value, while data query only exceeded the standard value for enterprises 2, 3, 4, and 5. The average abnormal value of the enterprise in data anomalies decreased by 0.06 compared to the standard value. Through experimental testing, it has been found that Internet of Things blockchain can effectively improve the privacy data protection effect of Int\u2019l Trade and promote the convenience of Int\u2019l Trade transactions.<\/jats:p>","DOI":"10.3233\/idt-230393","type":"journal-article","created":{"date-parts":[[2024,1,26]],"date-time":"2024-01-26T12:16:15Z","timestamp":1706271375000},"page":"211-222","source":"Crossref","is-referenced-by-count":1,"title":["International trade privacy data management system combining Internet of Things blockchain"],"prefix":"10.1177","volume":"18","author":[{"given":"Xia","family":"Hua","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hongzhen","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","reference":[{"key":"10.3233\/IDT-230393_ref1","doi-asserted-by":"crossref","unstructured":"Konstantina S, Emmanouil S, Dimitrios DV. 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