On that subject, the proportion of black market Bitcoin transactions is decreasing: https://papers.ssrn.com/sol3/papers.cfm?abstract_id=2808762 https://papers.s

On that subject, the proportion of black market Bitcoin transactions is decreasing: https://papers.ssrn.com/sol3/papers.cfm?abstract_id=2808762 https://papers.ssrn.com/sol3/papers.cfm?abstract_id=2808762 «...a third stage marked by a sharp progression away from “sin” and toward legitimate enterprises.»