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The figure shows that the change wallet 32AhjH is surrounded by several wallets, e.g. 3E26if, 39wuko, 32kiod, 3JBPL7, 32ghxz and 3GXCJW etc., and creates a cluster. Since the change wallet 32AhjH is the center of the cluster, it should play an important role in flow analysis due to its high centrality. On the contrary, change wallets are not important in flow analysis. This incorrect information may lead the misjudgment on explaining the importance of the wallets. When the change wallet 32AhjH is removed, the cluster members show their connection with the target wallet 3QR1Dp .
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IEEE/ICACT20210137 Slide.15
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