HID Global's Crescendo is a family of credit card-sized smart cards designed to provide versatile and secure IT and physical access control. Crescendo leverages a state-of-the-art smart card platform technology to deliver a standards-based solution for strong authentication and data protection. Crescendo smart cards eliminate the need to carry multiple credentials or remember multiple passwords or PINs by providing a single card that acts as a container for multiple identifiers and authentication mechanisms associated to a single user.