As digital public infrastructure becomes the foundation of modern financial systems, the ability to design and operate at national scale is no longer optional. In this keynote, Rakesh Dosi, Chief Product & Business Officer at Protean, reflects on the lessons from building India’s digital backbone. He explores how trust, interoperability, and resilience are embedded into large-scale financial platforms, and what these principles mean for financial institutions, policymakers, and fintech leaders building the next generation of digital financial services.