?????? ????? ???????? ?????? ???????????? ??? ??????????? ?????? ???? ???????????? ??? ?????? ?????????, ????????????? ??? ?????????????? ??????? ?????? ??? ????????? ???????? ??? ????????, ?? ???????? ??????? ?? ???? ??? ???????.It is "an open up, dispersed ledger that may document transactions among two parties effectively As well as in a verifia