The main international standards organization for the World Wide Web. The Consortium was founded in 1994 and composed of member organizations that work together to develop protocols and guidelines to ensure the interoperability of the W3C. In March 2023, W3C had 462 members. W3C also engages in education and outreach, develops software, and provides an open forum for discussion about the Web. It provides critical digital infrastructure for the global learn-and-work ecosystem.

The W3C Verifiable Credentials Data Model (W3C VCDM) is the emerging global standard for expressing credentials that are tamper-evident, cryptographically secure, and privacy-protecting.