Explore the real-world applications and implications of digital identity in this 51-minute conference talk by Brian Behlendorf from the Linux Foundation and Christine Leong from Accenture. Delve into topics such as health credentials, travel, climate change, and financial inclusion. Learn about selective disclosure, data sharing, and the ecosystem surrounding digital identity. Examine challenges in implementation and witness a demo of current technologies. Discover future use cases and understand what control over personal data truly means. Investigate the building blocks of digital identity, including Trust Over IP, Good Health Pass Collaborative, and Hyperledger. Gain insights into practical applications like Bonify, Kiva, and British Columbia's initiatives. Conclude with a discussion on COVID credentials and their role in shaping digital identity systems.