ICT, Strategy & Policy


The TNO SSI Lab is a cross-project initiative that develops and validates technologies and standards for self-sovereign identity (SSI). Businesses can use this very easily for negotiation and execution of (business) transactions with other organizations and individuals alike.

The lab develops open-source tooling for SSI-wallet interoperability TNO EASSI, as well as open-source terminology tooling

The purpose of the lab is to provide tooling and hands-on knowledge for governmental and business projects that aim to implement SSI technology to further rationalise and automate and rationalise decision processes.

What is SSI?

SSI (Self-sovereign identity) is a set of cybersecurity technologies that support the exchange and processing of personal information (passport, diploma, driver’s license, bank, insurance, chamber-of-commerce, ...) in a privacy-by-design manner.

It enables counterparties to obtain sufficient assurances to enter a transaction, whether it is a car rental, a webshop purchase, a mortgage, a new employment, or other.

For example, by sharing a diploma via SSI, the prospect employer can automatically verify the authenticity of the diploma and the graduate, without needing to inform and check with their university.

Latest in-depth articles

Read our latest articles for professionals to see what SSI technology we have developed and how we use SSI in our projects.

Effectively resolving semantic discussions for data sharing

The TNO Terminology Design methodology can help to find a effectively resolve in semantic discussions when developing interoperable solutions for data sharing.


What are those SSI standards?

It can be difficult for SSI adopters to figure out which standards in the context of SSI are relevant and how they relate to other standards. Our standardisation overview helps with this, by giving insight in the positioning of standards in the context of SSI.


Solving the effort of offering support for a great variety of wallets

Due to competing technological approaches, there is fragmentation within the SSI ecosystem. Read our solution to this problem: TNO EASSI.

ssi wallet icons of applications

FEDeRATED: project for digital co-operation in logistics

Find out more about FEDeRATED: an EU CEF project for digital cooperation in logistics comprising 15 partners in 6 EU member states


Self Sovereign Identity, a Paradigm Shift for organisations

How ready is the private sector to adopt digital trust? Reaping the benefits of Self Sovereign Identity requires a fundamental paradigm shift for your organisation.

Protecting Sensitive Parts of Credentials with Cryptographically Enforceable Policies

The Self-Sovereign Identity paradigm gives users control over their own data. This control does not mean that they should always be able to see that data.

The Myth Of Control in Self-Sovereign Identity

The term `Self-Sovereign Identity` (SSI) starts from the principle "Users should control their identity". Read how we distinguish reality from wishful thinking.

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Reliable and real-time digital twin systems


Optimise the prestations of your digital twin with Multi-party Digital Twin. Something for your orginasation? Find out how our TNO-experts can help you.

Authorities learn with NICPET to seize opportunities of secure data sharing

15 August 2023

Social issues can be more effectively tackled by combining privacy-friendly insights from multiple data sources. Three partners explain how NICPET assists in this regard.

Technological and legal innovation essential to improve government services

19 June 2023

TNO’s Jean-Louis Roso explains how public authorities can improve their services by safely experimenting with technology and legislation in concrete use cases.

Poverty reduction with privacy technology: the 13 most pressing questions


Using Privacy Enhancing Technologies to fight poverty. What is this technology and does it process my data privacy friendly? Read the answers to the most pressing questions.

Reducing energy poverty in a targeted way thanks to Privacy-Enhancing Technologies

19 June 2023

Many households in the Netherlands struggle to pay their energy bill every month. Personal help from municipalities is an effective form of support, but is complicated by our privacy laws. TNO, together with Rotterdam City Council, is exploring how technology can contribute to a more effective and more targeted approach to energy poverty.