Tag Archives: VC

Use swiyu, the Swiss E-ID to authenticate users with Duende and .NET Aspire

October 27, 2025 · by · in .NET, .NET Core, ASP.NET Core, aspire, e-id, OAuth2, OpenId, Security, Self Sovereign Identity, Uncategorized · 3 Comments

This post shows how to authenticate users using Duende IdentityServer and ASP.NET Core Identity which verifies identities (verifiable digital credentials) using the Swiss Digital identity and trust infrastructure (swiyu). The swiyu infrastructure is implemented using the provided generic containers which implement the OpenID for Verifiable Presentations standards as well as many other standards for implementing […]

Use a Microsoft Entra Verified ID Employee credential to view paycheck data

August 7, 2023 · by · in .NET Core, ASP.NET Core, Azure, Entra CIAM, Microsoft Entra External ID, Microsoft Entra ID · 1 Comment

This post shows how a Microsoft Entra Verified ID employee credential can be used to access user specific data. This demo shows possible paycheck data from Switzerland. A payment ID can be the printed on the pay slip or the payment document could have a QR Code to scan. The user specific data can then […]

Issue Employee verifiable credentials using Entra Verified ID and ASP.NET Core

July 3, 2023 · by · in .NET, .NET Core, ASP.NET Core, Azure, Microsoft Entra ID · 5 Comments

This article shows how to implement verifiable credentials using Microsoft Entra Verified ID and ASP.NET Core to issue the employee credentials. This solution uses a self sovereign identity (SSI) based technical stack built using open standards and some of the SSI concepts. The credential can be loaded into a wallet belonging to a holder and […]

Problems with online user authentication when using self sovereign identity

February 14, 2022 · by · in blockchain, OAuth2, Security, Self Sovereign Identity · 3 Comments

Using self sovereign identity (SSI), there is no standardized solutions for solving online user authentication when using verifiable credentials and verifying the identity and user. All solutions result in further compromises and result in new problems. To understand the problems, we need to understand how this works. The following diagram shows the verifiable credential (VC) […]

Challenges to Self Sovereign Identity

October 11, 2021 · by · in OAuth2, Security, Self Sovereign Identity · 17 Comments

The article goes through some of the challenges we face when using or implementing identity, authentication and authorization solutions using self sovereign identity. I based my findings after implementing and testing solutions and wallets with the following SSI solution providers: Trinsic MATTR.global Evernym Azure Active Directory Verifiable Credentials Different Wallets like Lissi Blogs in this […]