The lack of a central authority could also make cryptocurrencies more secure. "It truly is hack-evidence simply because there's no 1 central point of failure," explains David Donovan, govt vice chairman at Publicis Sapient.?? ??????? ???????, ? ?????????? ????? ????: ??????? ???? ? ???? ?????? ??? ??????? ???? ? ???? ????????? – ?? ????, ????, ??