Analysis on the security threat of blockchain Technology<br>Wang Xin<br>(Department of information engineering, Guangzhou Polytechnic, Guangzhou 510000, Guangdong Province)<br>[Abstract] blockchain technology has only stepped into people's vision in recent years. It plays an important role in the financial field and is an indispensable support technology for cryptocurrency. Therefore, the security of blockchain technology is particularly important. When applying blockchain technology, people should analyze its security threats reasonably, and then take corresponding measures to avoid the risks. Based on this, this paper starts with the characteristics of blockchain technology, first analyzes its architecture, and then explores the specific security threat factors, hoping to provide some reference for the relevant research on the application security of blockchain technology.<br>[Key words] blockchain; architecture; security threat<br>
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