Credential

A verifiable credential contains claims about one or more subjects. This specification defines a credentialSubject property for the expression of claims about one or more subjects.

A verifiable credential MUST have a credentialSubject property.

• credentialSubject

  The value of the credentialSubject property is defined as a set of objects that contain one or more properties that are each related to a subject of the verifiable credential. Each object MAY contain an id, as described in Section 4.2 Identifiers.

How to create credentials

Use verixyz create new credentials, the first things is to choose some options:

• Credential proofFormat: jwt or JSON-LD;
• Issuer DID: a issuers’s DID;
• Subejct DID:
• Credential Type: VerifiableCredential, Profile
• Claim Type:
• Claim Value:
• Credential Revocable: Y/N
• Credential status type:
• Credential Status ID:

Then, one can create a credntial using

$ verixyz credental create` 

The output from abve command, should be like this:

? Credential proofFormat jwt
? Issuer DID did:key:z6MkkZKMuPn5c4bfjtxkqmLcvYtC6FaT1aWChAyhPMFSYHwC jerry
? Subject DID did:key:z6MkkZKMuPn5c4bfjtxkqmLcvYtC6FaT1aWChAyhPMFSYHwC
? Credential Type VerifiableCredential,Profile
? Claim Type bankaccount
? Claim Value 9829-92839-2923
? Is the credential revocable? Yes
? Credential status type EthrStatusRegistry2019
? Credential status ID rinkeby:0x97fd27892cdcD035dAe1fe71235c636044B59348
{
  credentialSubject: {
    bankaccount: '9829-92839-2923',
    id: 'did:key:z6MkkZKMuPn5c4bfjtxkqmLcvYtC6FaT1aWChAyhPMFSYHwC'
  },
  issuer: { id: 'did:key:z6MkkZKMuPn5c4bfjtxkqmLcvYtC6FaT1aWChAyhPMFSYHwC' },
  type: [ 'VerifiableCredential', 'Profile' ],
  credentialStatus: {
    type: 'EthrStatusRegistry2019',
    id: 'rinkeby:0x97fd27892cdcD035dAe1fe71235c636044B59348'
  },
  '@context': [
    'https://www.w3.org/2018/credentials/v1',
    'https://verixyz.io/contexts/profile/v1'
  ],
  issuanceDate: '2022-08-15T23:16:12.000Z',
  proof: {
    type: 'JwtProof2020',
    jwt: 'eyJhbGciOiJFZERTQSIsInR5cCI6IkpXVCJ9.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.LGNpgVFjFuAs9-aHUZz3HYQD9NRtIcibdjkQ6wOZLJWp_FnHfhKyudon6LQUfZQSv7QtQc37l-Z5ODTCcyb1DQ'
  }
}

if one choose JSON-LD, the output should like this:

 Credential proofFormat lds
? Issuer DID did:key:z6MkkZKMuPn5c4bfjtxkqmLcvYtC6FaT1aWChAyhPMFSYHwC jerry
? Subject DID did:key:z6MkkZKMuPn5c4bfjtxkqmLcvYtC6FaT1aWChAyhPMFSYHwC
? Credential Type VerifiableCredential,Profile
? Claim Type name
? Claim Value Alice
? Is the credential revocable? Yes
? Credential status type EthrStatusRegistry2019
? Credential status ID rinkeby:0x97fd27892cdcD035dAe1fe71235c636044B59348
{
  issuer: { id: 'did:key:z6MkkZKMuPn5c4bfjtxkqmLcvYtC6FaT1aWChAyhPMFSYHwC' },
  '@context': [
    'https://www.w3.org/2018/credentials/v1',
    'https://verixyz.io/contexts/profile/v1'
  ],
  type: [ 'VerifiableCredential', 'Profile' ],
  issuanceDate: '2022-08-15T23:41:11.529Z',
  credentialSubject: {
    id: 'did:key:z6MkkZKMuPn5c4bfjtxkqmLcvYtC6FaT1aWChAyhPMFSYHwC',
    name: 'Alice'
  },
  credentialStatus: {
    type: 'EthrStatusRegistry2019',
    id: 'rinkeby:0x97fd27892cdcD035dAe1fe71235c636044B59348'
  },
  proof: {
    type: 'Ed25519Signature2018',
    created: '2022-08-15T23:41:13Z',
    verificationMethod: 'did:key:z6MkkZKMuPn5c4bfjtxkqmLcvYtC6FaT1aWChAyhPMFSYHwC#z6MkkZKMuPn5c4bfjtxkqmLcvYtC6FaT1aWChAyhPMFSYHwC',
    proofPurpose: 'assertionMethod',
    jws: 'eyJhbGciOiJFZERTQSIsImI2NCI6ZmFsc2UsImNyaXQiOlsiYjY0Il19.._cWL-P0JoLgWwO9uweNPSufrMj4IpN1A7DRLKvrjH3ZuaLt8dkDBDz-Y3M6SclBPfEc9k5l0m5tVtIeHL52FDQ'
  }
}

NOTICE: JWT is not encrypted by default. Everyone can use jwt tools to decode the JWT. So, one should choose if encode its claim or not.