???? ? ????? ?? ????. ??? ???? ???? ?? ????, ???? ?? ???? ??? ??? ? ????.??? ?? ????. ?? ?? ??? ?? ??? ??? ?? ???? ?????? ????, ??? ??? ? ?? ????? ?? ???? ?? ? ????. ????? ??? ?? ??? ??? ??? ? ????(???? ??? ??).Now, data storage is centralized in substantial centers. But when the whole world transitions to blockchain For each industry and use, its