; and (2) be based on the input of detailees assigned as described in that section. 411. Briefing on illicit use of virtual currencies by the Democratic People’s Republic of Korea (a) In general Not later than 180 days after the date of the enactment of this Act, the Secretary of the Treasury shall brief the appropriate congressional committees on the illicit use of virtual currencies by the Democratic People’s Republic of Korea. (b) Elements The briefing required by subsection (a) shall— (1) to the extent possible, provide an estimate of the amount of fiat currency that the Democratic People’s Republic of Korea has been able to generate as of the date of the briefing through conversion of virtual currency obtained by illicit means including cyberattacks; (2) describe known pathways through which the Democratic People’s Republic of Korea executes such conversions, with an emphasis on identifying virtual currency exchanges used by the Democratic People’s Republic of Korea or its agents; and (3) cover any known instances of purchases of goods or services by the Democratic People’s Republic of Korea using virtual currency without converting that currency to fiat currency before the purchases. 412. Briefing on cross-border flows of fentanyl and other illicit substances (a) In general Not later than 180 days after the date of the date of the enactment of this Act, the Secretary of the Treasury shall brief the appropriate congressional committees on the methods by which the Democratic People’s Republic of Korea produces and exports methamphetamines and other narcotics, including opioids such as fentanyl. (b) Elements The briefing required by subsection (a) shall— (1) provide estimates of the amounts of illicit substances exported by the Democratic People’s Republic of Korea and the associated revenues; (2) describe known pathways through which the Democratic People’s Republic of Korea procures precursors for and conducts exports of such substances, with particular focus on exports into the People's Republic of China