(September 12, 2022, 1:56 PM EDT) -- WACO, Texas — Six users of a particular blockchain filed suit against the U.S. Department of the Treasury and the U.S. Office of Foreign Assets Control (OFAC) in Texas federal court on Sept. 8, complaining that the recent inclusion of a privacy protocol on a blocked persons list unconstitutionally limits their speech and deprives them of their legally obtained cryptocurrency assets....