‘Verifiable credentials (VCs) are an open standard for digital credentials. They can represent information found in physical credentials, such as a passport or license, as well as new things that have no physical equivalent, such as ownership of a bank account.’
From https://en.m.wikipedia.org/wiki/Verifiable_credentials
See Solid rdflib.js Update Manager, decentralized web, authorization – what are you allowed to do, authentication – Who are you, Authentication vs. authorization, Public-key cryptography