# Verifiable credentials toolkit

#### Issue, hold, and verify credentials

In this section, we provide answers to the following questions:

* What are vSelf verifiable credentials, and where can they be implemented? ([Overview](https://vself-project.gitbook.io/vself-project-documentation/verifiable-credentials-toolkit/overview)) 
* What roles are there in the vSelf credential management process? ([Roles definition](https://vself-project.gitbook.io/vself-project-documentation/verifiable-credentials-toolkit/roles-definition))
* What kind of credentials are available, and which properties does each credential have? ([Credential type and concepts](https://vself-project.gitbook.io/vself-project-documentation/verifiable-credentials-toolkit/credential-types-and-concepts))
* Which components does the vSelf credential toolkit have, and how can it be used? ([Toolkit functionality](https://vself-project.gitbook.io/vself-project-documentation/verifiable-credentials-toolkit/toolkit-functionality))
* How can other vSelf services be improved using verifiable credentials? (Credential-based[ wallet and Web3 studio](https://vself-project.gitbook.io/vself-project-documentation/verifiable-credentials-toolkit))[.](https://vself-project.gitbook.io/vself-project-documentation/verifiable-credentials-toolkit/credential-based-wallet-and-studio)