# EUDI DE Documentation > German EUDI Wallet Ecosystem Documentation This file contains links to documentation sections following the llmstxt.org standard. ## Table of Contents - [Credentials](https://bmi.usercontent.opencode.de/eudi-wallet/developer-guide/concepts/credentials/): An **EUDI Wallet credential** is a digitally issued, verifiable statement of fact about a person — such - [Credential Design Guide](https://bmi.usercontent.opencode.de/eudi-wallet/developer-guide/eaa/guide/issuance/credential_styling_guidance/): *How to configure the appearance of an Electronic Attestation of Attributes (EAA) so it renders correctly and legibly in the German EUDI wallet.* - [EAA Issuance with OpenID4VCI](https://bmi.usercontent.opencode.de/eudi-wallet/developer-guide/eaa/guide/issuance/eaa_issuance/): > Audience: EAA Providers implementing issuance flows with OpenID4VCI in the German EUDI Wallet Ecosystem. - [Credential Lifecycle & Operations](https://bmi.usercontent.opencode.de/eudi-wallet/developer-guide/eaa/guide/issuance/eaa_lifecycle/): > Audience: EAA Providers running an issuance service in production. This is **phase 4** of the [EAA Provider roadmap](../../onboarding/overview.md... - [Example flow — High-assurance issuance with HAIP](https://bmi.usercontent.opencode.de/eudi-wallet/developer-guide/eaa/guide/issuance/example_flow_haip/): > Audience: Developers new to the EUDI Wallet Ecosystem who need to understand how high-assurance credential issuance works in practice. - [Example flow — Low-fidelity event ticket issuance](https://bmi.usercontent.opencode.de/eudi-wallet/developer-guide/eaa/guide/issuance/example_flow_low_fidelity/): > Audience: Developers new to the EUDI Wallet Ecosystem who need to understand how low-assurance credential issuance works in practice. - [Rulebooks: Adopt or Create](https://bmi.usercontent.opencode.de/eudi-wallet/developer-guide/eaa/guide/issuance/rulebook/): A **rulebook** is the definitive, human-readable, technical, and governance specification for a credential type. It ensures that relying parties un... - [EAA Provider Onboarding](https://bmi.usercontent.opencode.de/eudi-wallet/developer-guide/eaa/onboarding/overview/): This guide provides EAA-specific onboarding requirements and technical integration steps for organizations that want to issue Electronic Attestatio... - [Welcome to the EUDI Wallet Developer Guide](https://bmi.usercontent.opencode.de/eudi-wallet/developer-guide/introduction/): Welcome to the **German EUDI Wallet Ecosystem Developer Guide**. This resource is designed to help organizations join and participate in the German... - [Accessibility Design Guidelines](https://bmi.usercontent.opencode.de/eudi-wallet/developer-guide/resources/accessibility_design_guidelines/): When designing solutions for the EUDI Wallet Ecosystem, both Relying Parties (RPs) and European Accessibility Act. Providers must consider accessib... - [Changelog](https://bmi.usercontent.opencode.de/eudi-wallet/developer-guide/resources/changelog/): This page aggregates relevant changes in the German EUDI ecosystem for Relying Parties and EAA Issuers. Where possible, upcoming changes are listed... - [Erica: Local Verifier Testing Tool](https://bmi.usercontent.opencode.de/eudi-wallet/developer-guide/resources/erica/): Erica is a public, lightweight, locally-runnable tool designed to help Relying Parties (RPs) accelerate their verifier development and testing. Rat... - [Glossary](https://bmi.usercontent.opencode.de/eudi-wallet/developer-guide/resources/glossary/): This page defines terms, abbreviations, and acronyms used across the German EUDI Wallet Ecosystem documentation. Entries are drawn from the [Bluepr... - [Open Source OpenID4VP Verifier Libraries Overview](https://bmi.usercontent.opencode.de/eudi-wallet/developer-guide/resources/os_libraries/): This document provides a non-exhaustive list of open-source libraries that support OpenID4VP (OpenID for Verifiable Presentations). The list is int... - [German PID Reference for Relying Parties](https://bmi.usercontent.opencode.de/eudi-wallet/developer-guide/resources/pid_reference/): This page provides a practical reference for Relying Parties integrating with the German Personal Identification Data (PID) credential. It summariz... - [Logging and Monitoring](https://bmi.usercontent.opencode.de/eudi-wallet/developer-guide/rp/guide/arch/logging_and_monitoring/): Effective logging and monitoring are critical for transparency, security, and compliance within the EUDI Wallet Ecosystem. The following guidance d... - [PID Presentations with OpenID4VP](https://bmi.usercontent.opencode.de/eudi-wallet/developer-guide/rp/guide/presentation/pid_presentation/): > Audience: Relying Parties implementing an OpenID4VP flow to enable the consumption of a PID credential in the German EUDI Wallet Ecosystem. - [Using Registrar Certificates in Presentation Requests](https://bmi.usercontent.opencode.de/eudi-wallet/developer-guide/rp/guide/presentation/registrar_certificate_usage/): > Audience: Relying Parties building OpenID4VP / HAIP presentation requests for the German EUDI Wallet Ecosystem. - [End-to-End Example: Berlin Digital Bank](https://bmi.usercontent.opencode.de/eudi-wallet/developer-guide/rp/onboarding/example_bdb/): | Field | Description | - [Relying Party Technical Integration](https://bmi.usercontent.opencode.de/eudi-wallet/developer-guide/rp/onboarding/rp_highlevel_onboarding/): This guide provides Relying Party-specific requirements and technical integration steps for organizations that want to verify credentials in the Ge... - [SPRIND EUDI-Wallet Sandbox Nutzungsbedingungen](https://bmi.usercontent.opencode.de/eudi-wallet/developer-guide/sandbox/legal/sandbox_t&c/): 1.1 Die Sandbox soll vertrauenden Parteien, Ausstellern von EAA und vergleichbaren Akteuren (“EUDIW-Partner”) dabei helfen, ihre Dienste im Einklan... - [Use Policy Kommunikationskanäle: SPRIND EUDI Wallet Sandbox](https://bmi.usercontent.opencode.de/eudi-wallet/developer-guide/sandbox/legal/sandbox_use_policy/): Diese Use Policy ergänzt die **SPRIND EUDI Wallet Sandbox Nutzungsbedingungen** und gilt für alle Teilnehmer in den im Zusammenhang mit der Sandbox... - [Joining the Ecosystem](https://bmi.usercontent.opencode.de/eudi-wallet/developer-guide/sandbox/onboarding/joining/): :::tip[One Onboarding Process for All Roles] - [Next Steps After the Kick-off Call](https://bmi.usercontent.opencode.de/eudi-wallet/developer-guide/sandbox/onboarding/): Welcome to Germany's EUDI Wallet Sandbox. After your kick-off call, complete the following steps to get access to all resources. - [Relying Party Readiness Checklist](https://bmi.usercontent.opencode.de/eudi-wallet/developer-guide/sandbox/onboarding/sandbox_readiness_checklist/): This checklist helps you determine how prepared your organization is to onboard into the German EUDI Wallet ecosystem. It supports **two types of R... - [Wallet Use Instructions](https://bmi.usercontent.opencode.de/eudi-wallet/developer-guide/sandbox/onboarding/wallet_use_instructions/): Developers testing with the National EUDI Wallet in the Sandbox should be aware of the following details, peculiarities and known bugs. - [Sandbox Support Resources Overview](https://bmi.usercontent.opencode.de/eudi-wallet/developer-guide/sandbox/resources/sandbox_support_resources_overview/): The sandbox is designed to help Relying Parties explore, prepare, and implement their services in alignment with the national EUDI Wallet ecosystem... - [Use Case Example Library](https://bmi.usercontent.opencode.de/eudi-wallet/developer-guide/sandbox/resources/use_case_examples/): Illustrative scenarios for participants in the EUDI Wallet ecosystem.