The other issue with lots of blockchains is that every block can only keep a lot of knowledge. The block dimensions debate has been and carries on to be Probably the most pressing concerns for the scalability of blockchains Down the road.???? ? ???? ???? ????? ????. ???? ??? ????? ???? ?? ??? ?? ????? ???? ?????? ????? ??? ????. ???? ?? ???? ?? ??