Digital Public Infrastructure

Digital public infrastructure (DPI) consists of shared, foundational digital systems designed as public utilities that enable digital services and governance. Key components typically include digital identity systems that provide verifiable credentials, payment systems that enable digital transactions, data exchange platforms that allow secure data sharing between authorized parties, and registries that maintain authoritative records. These systems are designed to be open, interoperable, and accessible, providing common infrastructure that multiple services, applications, and institutions can build upon, rather than each creating their own proprietary systems.

The technology addresses fragmentation in digital services where each organization creates its own identity, payment, and data systems, leading to inefficiency, exclusion, and lack of interoperability. DPI provides shared infrastructure that reduces costs, improves access, and enables innovation by allowing services to focus on their core functions rather than building foundational systems. Well-designed DPI can dramatically reduce transaction costs, improve financial inclusion, enable seamless service delivery, and create platforms for innovation. Applications include national digital identity systems, real-time payment networks, health data exchanges, and various government and private services built on shared infrastructure. Countries like India (with Aadhaar, UPI), Estonia, and others have implemented DPI systems.

At TRL 7, digital public infrastructure is deployed in various countries and contexts, though design, governance, and implementation approaches vary. The technology faces challenges including ensuring privacy and security, preventing misuse and surveillance, achieving interoperability across different systems, balancing openness with security, and ensuring equitable access. However, as digital services become essential, well-designed DPI becomes increasingly valuable. The technology could transform how digital services are delivered by providing shared infrastructure that reduces costs, improves access, and enables innovation, potentially creating more inclusive and efficient digital economies, though it requires careful design to balance functionality, privacy, security, and democratic values, and raises important questions about the role of public infrastructure in digital societies.