CALYPSO is basically a set of technical specifications describing a fast and secure contactless transaction between a terminal and a portable device. It corresponds to the level 2 in the ticketing transaction layers scheme. For more information, go to calypsonet.org. PayCert is the certification body for all the Calypso Cards. We proceed to the evaluation by confronting the product data elements and the Laboratory Functional Test report with the appropriate CALYPSO specifications. Then we deliver a certificate for the conformity assessment.