??????????? ??? ????? ??? ?? ????? ???, ? ?????, ? ???????, ? ???? ??? ? ??????? ????????? ?? ?????????. ?????? ?? ????? "???? ?? ?????? ????? ????????? ???? ??????".??? ?????? ? ???????????? ?? ???????????? ??? ?????, ?? ??? ????????? ??? ?? ?? ??????????;A modern 2020 examine introduced different attacks on privacy in cryptocurrencies. The attack