WHO SMART Trust
1.7.1 - release

WHO SMART Trust, published by WHO. This guide is not an authorized publication; it is the continuous build for version 1.7.1 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/WorldHealthOrganization/smart-trust/tree/v1.7.1-releasecandidate and changes regularly. See the Directory of published versions

## : WHO GDHCN Trust Actors CodeSystem - JSON Representation

Active as of 2026-08-27

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    {
      "resourceType" : "CodeSystem",
      "id" : "Actors",
      "text" : {
        "status" : "generated",
        "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: CodeSystem Actors</b></p><a name=\"Actors\"> </a><a name=\"hcActors\"> </a><p>This case-insensitive code system <code>http://smart.who.int/trust/CodeSystem/Actors</code> defines the following codes:</p><table class=\"codes\"><tr><td style=\"white-space:nowrap\"><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td></tr><tr><td style=\"white-space:nowrap\">credential-holder<a name=\"Actors-credential-holder\"> </a></td><td>Holder of a Credential</td><td/></tr><tr><td style=\"white-space:nowrap\">credential-issuer<a name=\"Actors-credential-issuer\"> </a></td><td>Issuer of a Credential</td><td/></tr><tr><td style=\"white-space:nowrap\">gdhcn<a name=\"Actors-gdhcn\"> </a></td><td>GDHCN</td><td>Global Digital Health Certification Network (GDHCN)</td></tr><tr><td style=\"white-space:nowrap\">TNG<a name=\"Actors-TNG\"> </a></td><td>TNG</td><td>Trust Network Gateway</td></tr><tr><td style=\"white-space:nowrap\">TNP<a name=\"Actors-TNP\"> </a></td><td>TNP</td><td>Trust Network Participant</td></tr></table></div>"
      },
      "url" : "http://smart.who.int/trust/CodeSystem/Actors",
      "version" : "1.7.1",
      "name" : "Actors",
      "title" : "WHO GDHCN Trust Actors CodeSystem",
      "status" : "active",
      "experimental" : true,
      "date" : "2026-08-27T05:23:17+00:00",
      "publisher" : "WHO",
      "contact" : [
        {
          "name" : "WHO",
          "telecom" : [
            {
              "system" : "url",
              "value" : "http://who.int"
            }
          ]
        }
      ],
      "description" : "CodeSystem for SMART Trust actors that has usage codes for verification keys published to the Trust Network as defined by the [certificate governance](concepts_certificate_governance.html)",
      "jurisdiction" : [
        {
          "coding" : [
            {
              "system" : "http://unstats.un.org/unsd/methods/m49/m49.htm",
              "code" : "001"
            }
          ]
        }
      ],
      "caseSensitive" : false,
      "content" : "complete",
      "count" : 5,
      "concept" : [
        {
          "code" : "credential-holder",
          "display" : "Holder of a Credential"
        },
        {
          "code" : "credential-issuer",
          "display" : "Issuer of a Credential"
        },
        {
          "code" : "gdhcn",
          "display" : "GDHCN",
          "definition" : "Global Digital Health Certification Network (GDHCN)"
        },
        {
          "code" : "TNG",
          "display" : "TNG",
          "definition" : "Trust Network Gateway"
        },
        {
          "code" : "TNP",
          "display" : "TNP",
          "definition" : "Trust Network Participant"
        }
      ]
    }