Sam Altman (CEO of OpenAI) introduced World ID 4.0, an upgraded human verification protocol by Tools for Humanity, aimed at ensuring online authenticity amid rising bot activity. This innovative system uses a biometric device called the Orb to scan users' irises, creating unique identifiers while maintaining privacy. Launched in July 2023, the Orb has evolved into a compact version, the Orb Mini, expected to be available in 2025. Since its inception, 18 million users have been verified, with a staggering 450 million authentication instances recorded. The latest version includes features like key rotation and multiparty entropy to enhance security and privacy. Notably, World ID is being integrated with popular platforms such as Tinder and Zoom, allowing users to verify their identities and reduce impersonation risks. This integration aims to foster trust in online interactions, particularly in dating and virtual meetings. The tiered verification model introduced in World ID 4.0 allows for varying levels of identity confirmation, catering to a broader user base.