How Does a Blockchain Operate? You will be acquainted with spreadsheets or databases. A blockchain is fairly similar since it is often a databases in which info is entered and saved.?? ??? ??? ????? ????? ??? ????. ????? ???? ???? ??? ??? ???? ???? ???? ???? ???? ????.?? ?????? ??? ??? ??? ??? ???? ???? ?????? ???? ??? ????. ????? ??? ??? ??? ? ??