# Implementing a spec v1 use case (did:nuts)

This book covers spec v2 use cases (did:web and the Discovery Service). Spec v1 use cases, such as eOverdracht, use did:nuts and the gRPC network, and work differently.

For spec v1, use the Getting Started guide of Nuts node v5.4:

| Step | v5.4 documentation |
|---|---|
| Configure your node | [Configure your node](https://nuts-node.readthedocs.io/en/v5.4/pages/getting-started/3-configure-your-node.html) |
| Manage vendor and care organization identity | [Manage vendor and care organization identity](https://nuts-node.readthedocs.io/en/v5.4/pages/getting-started/4-connecting-crm.html) |
| Authentication | [Authentication](https://nuts-node.readthedocs.io/en/v5.4/pages/getting-started/5-authentication.html) |
| Add authorizations | [Add authorizations](https://nuts-node.readthedocs.io/en/v5.4/pages/getting-started/6-adding-authorizations.html) |
| Connect your EHR | [Connect your EHR](https://nuts-node.readthedocs.io/en/v5.4/pages/getting-started/6-connecting-ehr.html) |