The US Department of the Treasury has expressed concerns that terrorist groups will increasingly resort to using virtual currencies and other digital assets if Congress does not approve new regulatory tools, according to the Deputy Treasury Secretary Wally Adeyemo. In his prepared remarks for hearings at the Senate Banking Committee, Adeyemo warned that groups like Al-Qaeda, Hamas, and countries such as Russia and North Korea are finding new ways to move resources using virtual currencies. Adeyemo stated that the US Treasury has had some success in rooting out illicit financial operations in t…