# DIVOC's Verifiable Certificate Features

## Purpose

This section describes the key features of DIVOC and how they work.

## What is DIVOC's issue and verify certificate module?

* Countries can use the DIVOC's certificate module to issue <mark style="color:orange;">**digitally verifiable certificates**</mark> to the entire population at speed and scale in a controlled manner post-vaccination.
* This module is responsible for issuing a QR code-based digital certificate for any registered health event. It can be adapted to other areas too where there is a requirement for secure and tamper-proof documents, such as educational certificates.&#x20;
* The certificates can be issued in both digital and physical forms, which includes print, pdf, and other formats.&#x20;

![Once the certificate is issued, multi-channel distribution and print schemes should work to ensure users and countries have a choice.](https://3981476102-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FBzDN8TNEi1Pzc9yUiD8a%2Fuploads%2FJMWf3moUv2C6O2HNv3RO%2FScreenshot%202021-12-20%20at%203.14.45%20PM.png?alt=media\&token=d79066bd-3046-4f98-b73c-097c6bbfe705)

* The module supports multilingual vaccination certificate templates.&#x20;
* Generates WHO-DDCC (World Health Organisation- Digital Documentation of COVID-19 Certificates) compliant digital vaccination certificates with a W3C (World Wide Web Consortium) JSON schema, for every resident after successful inoculation.&#x20;
* To aid travel into other countries, the certificate module supports on-demand services for travellers to export their vaccination certificates to other formats (e.g. EU-DCC, SmartHealthCard), used in the destination countries.&#x20;
* The module supports additional services, including certificate verification, certificate update/correction, and certificate revocation.&#x20;
* The public key of the adopter country can be published using DIVOC’s verification page that can be embedded into the country's vaccination program-specific website/portal.

## What will it cover?

* [Creating a DIVOC certificate](https://divoc.digit.org/v2-2/platform/divocs-verifiable-certificate-features/creating-a-divoc-certificate)&#x20;
* [Distributing a DIVOC certificate](https://divoc.digit.org/v2-2/platform/divocs-verifiable-certificate-features/distributing-a-divoc-certificate)
* [Verifying a DIVOC certificate](https://divoc.digit.org/v2-2/platform/divocs-verifiable-certificate-features/verifying-a-divoc-certificate)
* [Updating a DIVOC certificate](https://divoc.digit.org/v2-2/platform/divocs-verifiable-certificate-features/updating-a-divoc-certificate)
* [Revoking a DIVOC certificate](https://divoc.digit.org/v2-2/platform/divocs-verifiable-certificate-features/revoking-a-divoc-certificate)&#x20;
* [DIVOC's native COVID-19 certificate specification](https://divoc.digit.org/v2-2/platform/divocs-verifiable-certificate-features/divocs-native-covid-19-certificate-specification)
* [DIVOC's EU-DCC adapter service](https://divoc.digit.org/v2-2/platform/divocs-verifiable-certificate-features/divocs-eu-dcc-adapter-service)
* [DIVOC’s SHC Adapter Service](https://divoc.digit.org/v2-2/platform/divocs-verifiable-certificate-features/divocs-shc-adapter-service)
* [Difference between a normal QR code (that you may see on a food menu) and a verifiable QR code (for example, DIVOC's QR-code based digital certificates).](https://divoc.digit.org/v2-2/platform/divocs-verifiable-certificate-features/normal-qr-code-versus-signed-verifiable-qr-code)
* [What information goes into a QR code?](https://divoc.digit.org/v2-2/platform/divocs-verifiable-certificate-features/what-information-goes-into-a-qr-code)
* [WHO master vaccine checklist](https://divoc.digit.org/v2-2/platform/divocs-verifiable-certificate-features/who-master-vaccine-checklist)
* [EU master vaccine checklist](https://divoc.digit.org/v2-2/platform/divocs-verifiable-certificate-features/eu-master-vaccine-checklist)

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