??? ??? ????? ?? ???????????? ?????, ??????? ??????????? ??? ?? ??????????????? ??? ???????? ?????:Cryptocurrencies use many timestamping schemes to "confirm" the validity of transactions added for the blockchain ledger without the require to get a dependable 3rd party.??????????? - ??? ???????? ?? ?????? ????? ???? ?? ??? ???? ??? ?? ?????????? ??… Read More