A service offering system is disclosed which includes a recording element for recording a unique identifier to each of a plurality of storage media issued, a database for storing and managing the identifiers, a reading element for reading the recorded identifier from any of the storage media, a checking element for checking the identifier read by the reading element against the identifiers managed in the database and a service offering element for offering a service to the storage medium identified by the checked identifier depending on a result of the check by the checking element.