WASHINGTON — The United States on Tuesday reiterated concerns over North Korea's use of cybercrime to finance its weapons programs, following a denial from the North Korean leader's sister Kim Yo-jong of allegations that Pyongyang was behind a multibillion-dollar theft from cryptocurrency exchange Binance. On Tuesday (Korean time), the powerful sister of North Korean leader Kim Jong-un flatly dismissed the findings of the U.S. Federal Bureau of Investigation (FBI) accusing Pyongyang for a crypto theft of over $6 billion from Binance, the world's largest cryptocurrency exchange, calling it a "grave political provocation" against the North. The FBI linked the theft to a North Korean hacking group it calls TraderTraitor, a name previously tied to other cryptocurrency heists. "The issue of DPRK cybercrime is a global problem that touches companies and jurisdictions around the world, including the United States," a U.S. State Department spokesman told Yonhap News Agency, referring to North Korea's official name, the Democratic People's Republic of Korea, when asked about the department's p