An electronic cashless system uses a cashless medium for memorizing amount information
and for performing an operation of amount information. The electronic cashless
system comprises an automatic transaction terminal device having a reading/writing
unit for writing amount information to the cashless medium, and a center device
having a unit for identifying the account balance of multiple accounts and for
storing amount information and a non-settled fund file unit for storing amount
information written by the cashless medium and a seller ledger file means for identifying
the account balance of the multiple seller's accounts and for storing amount information.
