# 01 - eIDAS 2.0 & EUDI Wallet: What Developers Need to Know

eIDAS 2.0 and EUDI Wallet for developers: architecture, protocols, verifiable credentials and implementation.

## What you'll learn

- 1. Issuer Layer — Who Issues Credentials
- 2. Wallet Layer — The Citizen’s Digital Wallet
- 3. Verifier/Relying Party Layer — Who Receives Credentials
- 4. Trust Infrastructure — The Chain of Trust
- Step 1: Register as a Relying Party

*This article is part of the **GovTech** series on federicocalo.dev.*

---

## Read the full article

The complete article (26 min read) with code examples, diagrams, and practical exercises is available here:

**➡️ [01 - eIDAS 2.0 & EUDI Wallet: What Developers Need to Know](https://federicocalo.dev/en/blog/eidas-2-eudi-wallet-developers-need-to-know)**

`https://federicocalo.dev/en/blog/eidas-2-eudi-wallet-developers-need-to-know`

---

*By [Federico Calò](https://federicocalo.dev) — Software Developer & Technical Writer*