Universal Digital Identity

Next-gen identification and authentication for effortless digital life

Universal digital identity solution for every citizen to simply and securely access all public and private online services. eGovernment, Finance, eVoting, eHealth, Smart Cities, IoT, or Age Verification - all at the tap of a smartphone.


One App.
All Services.

Say goodbye to usernames and complicated passwords for every single online service you use. ADUCID brings you the one app you’ll ever need for all. We call it Peig.

Introducing Peig. The digital identity guardian.


Users download Peig to any device supporting iOS, Android, Windows or macOS.

Verify identity

Users verify their identity in-person or online and set-up their PersonalCodeTM - at least four symbols as a second factor for higher security.

Make authentication a breeze

From now on, users can access all of their online services, register new bank accounts from anywhere, have their age verified or even vote online.


Digital identity that's easy to implement

Integration Demo

Integration with no code, simple API, Java SDK or using standard web services. Try our Integration Demo and see how easy it is to implement ADUCID authentication into your service.

In this demo you start with a web application that uses username and password for user authentication. Next you will try and see for yourself how quickly you can migrate your users to strong authentication with ADUCID.


Everything you need to know about ADUCID. Our Wiki includes simple examples, architecture overview and code snippets.


Video library



EU projects


We promote digitalization by making online services accessible to everyone in the most convenient way, ensuring the highest level of security and privacy.

In an expanding digital space, identity is everything

Digital transformation is essential for business growth while making a positive difference in people's daily lives. Technology enhances customer experience, creates equal opportunities for businesses of all sizes, boosts the economy, and vastly improves citizens communication with public institutions.

Digital Identity plays a key role in the broad adoption of digital technologies and defines how fast citizens engage with digital services.

"We live by the principle that easy access to online services must go hand in hand with robust security."

Innovation is what makes us different

Our cutting-edge solution is built on extensive technological know-how in cryptography, coupled with in-depth knowledge and exceptional experience in the field of identification and authentication.

9 patents support our innovations in these three key areas


Meet our leadership

Miroslav Řihák
Chief Executive Officer
Libor Neumann
Head of Development
David Řihák
Digital Identity Director

Download Peig

Peig for iOS and Android platforms

Peig for Windows

Download for Windows

Peig for macOS

Download from App Store