Bank of Korea Governor Lee Ju-yeol has said crypto assets like bitcoin have no intrinsic worth. Lee predict that bitcoin will see higher price flips going forward. Lee: "It is very difficult to predict the price, but its price will be extremely volatile" Bitcoin collapsed more than 17 percent to under $48,000 on Feb. 22 after U.S. Treasury Secretary Janet Yellen criticised the top cryptocurrency as a "extremely inefficient method of performing transactions.