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EPJ Data Science
Figure 8 | EPJ Data Science

Figure 8

From: Dark Web Marketplaces and COVID-19: before the vaccine

Figure 8

Time evolution of the active COVID-19 specific listings in the guides on scamming category. (a) Seven-days rolling average of these observed listings at a given time. Black dashed vertical lines corresponded to significant COVID-19 world events, see Appendix C. (b) Seven-days median price with 95% confidence interval for these observed listings

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