What is special about a savings account with interest accrued on the minimum balance?

For the savings account:

— Interest is accrued on the minimum balance amount at the beginning of each day during the interest period

— Interest accrual starts on the day following the opening of the savings account

— Interest is paid monthly on the account opening date by crediting the interest amount to the account balance — interest capitalization

— If the account is closed before the end of the settlement period, interest for the current month is not accrued

The interest rate depends on the amount of the minimum account balance during the interest period. The maximum balance amount eligible for the increased rate is not limited.