Digital identity is the key to unlocking the full potential of digital societies and economies. A new report from Citi Global Insights Digital Identity: Unlocking the Future, looks at what it is and why it matters- to individuals and corporates alike. The power of digtial ID to drive change is immense. It could make financial services available to 1.7 billion more people and save billions of hours standing in queues. Companies are grappling with how to make digital identities interoperable across all the platforms they play on, across multiple geogroaphies and regulatory frameworks. That poses immense challenges.