????? ????????? ??? ???? ??? ?????????; ????????? ???? ??????? ??????? ??? ???????? ??? ?? ??? ????? ?????????? ? ?????????.Cryptocurrencies use numerous timestamping strategies to "demonstrate" the validity of transactions included to the blockchain ledger with no need for any trustworthy third party.????????? ??? ??? ????????? ????????? ??? ?????… Read More