A community will evolve only when
a people control their own communications.

Frantz Fanon

DANUBE TECH is a technology leader in the field of digital identity, including decentralized identifiers, verifiable credentials, and related technologies.

Our Tools and Products

See here for more details.



Universal Resolver

Universal Registrar



Universal Issuer

Universal Verifier



Open-Source Java Libraries

did-common-java, ld-signatures-java, verifiable-credentials-java, ...

These emerging tools essentially place individuals at the center of their online relationships and transactions, and give us all the ability to create, manage, use, and destroy our online identities according to our own rules, and without delegating power to intermediaries.

Our Supporters and Customers

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Our Vision



Contact / Imprint

Danube Tech GmbH
Wattgasse 48/26
1170 Wien . Austria
T +43 664 3154848

Danube Tech GmbH
Legal form: Limited liability corporation ("GmbH"),
incorporated in the Republic of Austria.

Professional membership: Vienna Chamber of Commerce ("Wirtschaftskammer Wien").

Grown out of a background of Internet freedom activism and grassroots hacker culture, we continue to explore digital developments at the edge of important political and social questions. We contribute to ongoing discourse about anonymity vs. veronymity, centralization vs. decentralization, as well as sovereign and user-centric digital identity.