DIDA decentralized identifier (DID) is a type of digital identifier that is designed to be self-sovereign, meaning that it is controlled and owned by the individual or entity it identifies, rather than by a central authority. DIDs are created and managed using blockchain technology, which enables them to be decentralized and resistant to tampering. DIDs are intended to be used as a way to identify and authenticate individuals and entities online, in a manner that is secure, private, and interoperable. They can be used to represent a wide variety of things, including people, organizations, devices, and even abstract concepts.
SSISelf-sovereign identity (SSI) is a decentralized approach to identity management that empowers individuals and organizations to own, control, and manage their own digital identity, rather than relying on a central authority.
VCA verifiable credential (VC) is a digital certificate or token that contains information about an individual or entity that has been verified by a trusted third party and can be used to establish the holder‘s identity or attributes.