??? ?????? ?? ????????? ??????? ??? ?????... ??????????. ??????????? ?? ??? ???????, ???? ? ?????? ??????? ???????. ??? ???????? ?? ???????? ???????? ????? ?? ?? ?????????? ????.It is actually "an open up, dispersed ledger which can file transactions in between two get-togethers proficiently and in a verifiable and long-lasting way".[63] To be used