Janet Yellen, who is expected to lead the Treasury Department for the incoming Biden Administration, described cryptocurrencies as a "particular concern" when it comes to terrorist financing. Yellen made the remark during her Senate confirmation hearing in response to a question from Sen. Maggie Hassan (D-NH) who asked about "the potential for terrorists and criminals to use cryptocurrency to finance their activities." “I think many [cryptocurrencies] are used, at least in a transaction sense, mainly for illicit financing and I think we really need to examine ways in which we can curtail their use and make sure that ... (full story)