??? ??? ?? ??????? ?? ????????, ???? ????????? ???? ????-?????????? ?????? ??? ?? ???????? ???? ???????? ??? ????? ?? ???????? ??????????????? ???? ??? ???????? ??? ??? ?? ?????????.It truly is "an open, dispersed ledger that could file transactions between two events successfully and in a verifiable and everlasting way".[sixty three] For use being