Decentralized digital identity (DDID) is not just a set of technical standards; it’s also an ecosystem of trust relationships, commercial business models, and regulatory and legal frameworks. This report describes the evolution of DDID and the trajectory that Forrester projects that the maturity of each area will follow. Understanding these trajectories will help security and risk professionals formulate a DDID adoption strategy, select DDID vendors, and insert their organization’s DDID solutions into future public DDID networks.