# System Participants ## Issuer The Issuer is the trusted entity that issues credentials to substantiate identity claims. The information on a credential is important, but it only truly counts when it's backed up by a trusted authority. #### `Issuer → Credential → Claim` ` Local government`` `` `**`→`**` ``Driver’s license`` `**`→`**` `` ``Age ` ` School`` `` `**`→`**` ``Diploma`` `**`→`**` `` ``Academic Degree ` ` Financial bureau`` `` `**`→`**` ``Credit report`` `**`→`**` `` ``Credit score ` ` Country`` `` `**`→`**` ``Passport`` `**`→`**` `` ``Nationality ` ## Holder The Holder is the subject of the claims, represented by attributes that exist within credentials. The ability to independently validate these credentials directly correlates with greater autonomy in controlling access to this information. #### **`Attribute → Credential → Holder`** ` Age`` `` `**`→`**` ``Driver's License`` `**`→`**` `` ``You ` ` Academic Degree`` `` `**`→`**` ``Diploma`` `**`→`**` `` ``You ` ` Credit score`` `` `**`→`**` ``Credit Report`` `**`→`**` `` ``You ` ` Nationality`` `` `**`→`**` ``Passport`` `**`→`**` `` ``You ` ## Verifier The Verifier offers a service and mandates that the user meets specific attribute requirements through credential verification. The focus is on authenticating user identity or claims to decide on service access. #### **`Required Attribute → Verification Method → Verifier Service`** ` Age`` `` `**`→`**` ``Driver's License Check`` `**`→`**` `` ``Verifier Service ` ` Academic Degree`` `` `**`→`**` ``Diploma Verification`` `**`→`**` `` ``Verifier Service ` ` Credit score`` `` `**`→`**` ``Credit Report Review`` `**`→`**` `` ``Verifier Service ` ` Nationality`` `` `**`→`**` ``Passport Scan`` `**`→`**` `` ``Verifier Service ` --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://zpass.docs.aleo.org/zpass/system-participants.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.