Verifiable Credentials heavily utilize Decentralized Identifiers to identify people, organizations, and things and to achieve a number of security and privacy-protecting guarantees. They are issued and cryptographically signed documents, intended to be understood by computers rather than people.
A user identifier that is:
- In digital form
- Able of communication with decentralized ledger
- A property of its owner that is stored in a wallet
- Contains the DID data string that pairs the user’s public address with a user’s public key stored on a blockchain
- Representing user ID, diploma, and many others