Calypso Specification

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Calypso Networks Association

Norme ouverte pour la billettique de transport sans contact utilisant l'ISO 14443-B, largement déployée dans les systèmes de transport public européens.

Calypso is an open contactless ticketing standard built on ISO/IEC 14443 Type B, created by a consortium of European transit authorities to avoid proprietary lock-in. It underpins fare systems including Paris's Navigo, Brussels, and Lisbon, and specifies a secure session protocol that completes a validation in roughly 100 milliseconds even when the card is briefly presented.

Calypso | Published 1996