?????? ?? ??? ???????? ???? ?????????? ?? ????????????? ??? ????? ?? ????? ???? "? ??????? ?? ???????? ??? ??????????? ?????????".Cryptocurrencies use many timestamping schemes to "prove" the validity of transactions extra to the blockchain ledger without the will need for just a dependable 3rd party.? ??????? ????? ??? ? ???? ?????????? (??? ?????… Read More