ID5 presents a privacy-centric, adaptable universal identity solution that caters to the changing dynamics of digital marketing. Central to its offering is the ID5 ID, a durable and encrypted identifier that utilizes both deterministic and probabilistic data to build consent-driven user profiles across various platforms, including web, in-app, CTV, and audio. The ID5 Graph smartly links these identifiers at both individual and household levels, facilitating precise cross-device targeting, effective frequency capping, and comprehensive measurement across different channels. Built to withstand regulatory shifts and the decline of third-party cookies, ID5 employs advanced machine learning techniques that dynamically adjust to signal loss and fragmentation, ensuring reliable identity resolution. With integration capabilities extending to over 100,000 media properties as well as leading adtech platforms, ID5 supports a diverse range of stakeholders including publishers, SSPs, DSPs, and brands, thereby enhancing the reach of addressable audiences and optimizing campaign outcomes. As digital advertising continues to evolve, ID5 remains committed to advancing identity solutions that prioritize user consent and privacy while driving measurable results for advertisers.