Abstract: A digital card 1 equipped with a CD or DVD bearing a contactless microcomputer chip 2 for the transmission of data relating to the use of transport systems, such as Calypso, Icare and other new-generation systems, between a specific terminal and the microcomputer chip 2. Other security devices have been added to the digital card 1 such that it can be used as a personal identification means. The CD or DVD 3 of the card can contain data relating to transport systems and/or personal identification and/or act as a support for other types of advertising or informative data, etc. The components of the digital card 1 are mounted to a credit card—or similar—type support 4.