

QuarkID
About QuarkID
Decentralized Digital Identity and Data Protocol, Issuing and Verification Secure Process
Founded: 2022
Sector: Digital Identity, Data Management
Products used: Extrimian IDConnect, Extrimian SSI API, Personalized Wallet
“The implementation of IDConnect was pivotal in connecting our miBA system with the QuarkID protocol swiftly and securely, enhancing our citizens’ digital interactions.”
Juan Pablo Migliavacca
Director General de Ciudadanía Digital, GCBA

QuarkID: Pioneering Decentralized Digital Identity
QuarkID is revolutionizing the way digital identities are managed and verified, leveraging blockchain technology to ensure security, privacy, and user control. This protocol, co-founded by Extrimian and supported by a consortium including the Government of the City of Buenos Aires, IT Rock, and zkSync, uses advanced cryptographic methods like zero-knowledge proofs to offer a seamless and secure digital experience.
Challenge
The primary challenge was creating a digital identity system that was both secure and user-friendly, capable of supporting millions of users without compromising on speed or functionality.
Solution
Extrimian played a crucial role as the technical provider for QuarkID, facilitating the integration of this advanced protocol into existing systems and ensuring interoperability with various blockchain networks. This integration allows users to manage their identities and credentials with full autonomy.

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Impact and Expansion
Since its inception, QuarkID has been instrumental in transforming digital identity management in Buenos Aires, with plans to expand its influence throughout Latin America. It stands as a model for cities worldwide, showcasing the potential of decentralized technologies to enhance citizen services and governmental operations.
The Role of the other Collaborators
The successful deployment at Aleph serves as a model for future events and for cities looking to modernize public interaction through digital identity solutions. The case study concludes with insights into potential future applications and ongoing improvements in Extrimian’s products.
Key Players
- Government of Buenos Aires: Adopted and impulse QuarkID to enhance citizen interaction with public services.
- Extrimian: Provided technical expertise and infrastructure support.
- zkSync: Ensured the scalability and efficiency of the blockchain operations underlying QuarkID.
Impact and Expansion
The project not only digitized essential civic processes but also established Buenos Aires as a pioneer in implementing decentralized identity technology on a large scale. The initiative has expanded to include 32 types of verifiable credentials, improving the interoperability and management of digital identities.
Voices from the Ground
“The implementation of IDConnect was pivotal in connecting our miBA system with the QuarkID protocol swiftly and securely, enhancing our citizens’ digital interactions.”
Juan Pablo Migliavacca, Director General de Ciudadanía Digital, GCBA.
Conclusion
Future prospects with ongoing enhancements and expanding global interest, QuarkID is set to redefine digital interactions on a global scale. The continued collaboration among technology providers and governmental entities is expected to introduce new functionalities and broader adoption.
Learn more for a deeper dive into QuarkID’s technology, implementation, and impact, visit Extrimian’s QuarkID Wiki.
For more details on this initiative and other decentralized identity solutions by Extrimian, visit our Use Cases page.