???? ???? ??? ?? ??? ????? ??????. ???? ????? ??? ?????? ?? ????? ???? ??? ? ??? ????? ???? ??????. ???? ????? ???? ???? ??? ??? ??? ???? ??? ? ?? ???????.???? ????? ??? ?????????? ???? 2017? 6? ??? ??? ???? ????? ????? ? ??? ???? ??? fifteen??(2019? five? twelve? ??) ??? ? ???? ???????. ??? ???? ?????? ???? ?? ?? BCH/BTC ?? ?? ?? ??? ??? ??? ???