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Hopae at IIW 2025: Driving interoperability and privacy through open standards

Oct 17, 2025

Maïlys Mas

The Internet Identity Workshop (IIW) is where the world’s identity pioneers meet to define how trust works online.

This fall, Hopae returns to San Francisco to join the conversation once again. As the digital identity infrastructure platform bridging wallets and relying parties, we will explore the three pillars defining this next chapter of digital identity, through a series of sessions:

  • Interoperability: Discover how Hopae is pushing for a cross-boarder digital identity ecosystem with a Korean version of the Europe’s ARF

  • Privacy: How to make digital ID more universal, secure and private by pushing standards and protocols such as SD-JWT and ZK proof

  • Usability: Real use-case of how relying parties can verify users’ identities using electronic ID and digital wallets

Session 1: From eIDAS 2.0 to Asia, how Hopae is shaping interoperability with K-ARF

Session led by Jinyoung Jun, Hopae’s Head of Government Relations

This is a huge momentum in the identity space, a step toward a less fragmented, more unified ecosystem. The Korean Architecture Reference Framework (K-ARF) is South Korea’s first effort to build an interoperable digital identity framework, extending Europe’s ARF model and tailoring it to Asia’s unique landscape.

Developed in collaboration with Hopae, the Electronics and Telecommunications Research Institute (ETRI), and the Financial Security Institute (FSEC) funded by the Ministry of Science and ICT, the K-ARF is aiming to:

  • Ensure trust and scalability by establishing a government-backed, open-source framework for digital identity interoperability.

  • Enable technical cross-border compatibility, by aligning with global standards like eIDAS 2.0 and adapting to local regulations.

Why does it matter?

In many Asian countries, especially Japan and Korea, everyday services like food delivery or taxi apps require ID verification, a small inconvenience for citizens but a major barrier for tourists and foreigners.

A K-ARF built on open standards and interoperable with key markets such as Europe could let citizens, tourists, immigrants, and foreign students access the services they need, regardless of origin if adopted by the government.

For example, a French student in Korea could use their French digital ID to open a bank account, activate a phone line, or order food online.

“Without a open framework to work as foundation for the ecosystem, a digital ID sits on a phone without being used. With K-ARF, it becomes a keystone for innovation. It’s a new step in participating global identity ecosystem through common architecture and open standards.” — Jinyoung Jun, Head of Government Relations

Join us to discover our lessons learned while moving interoperability forward with key organizations in Korea.

Session 2: Driving privacy in digital identity through open-source standards

Session led by Lukas Han, Head of Research at Hopae.

As digital identity networks expand, privacy and compliance are the foundation of digital trust, and without trust, no identity ecosystem can scale.

In this session, you will discover:

  • How to combine SD-JWT’s selective disclosure with Longfellow-ZK to strengthen privacy

  • Advanced use cases that require more privacy-preserving features

You’ll leave with a clear path to implement privacy-preserving identity flows: fast, compliant, and ready for real-world deployment.

Why does it matter?

Privacy is now the make-or-break factor for digital identity adoption. Without it, users won’t trust the systems that verify them, and organizations can’t meet compliance or cross-border data requirements. That’s why at Hopae, we’re building privacy-preserving standards in open source to help spread trust online.

By combining SD-JWT and Longfellow-ZK, Hopae makes it possible to deliver both trust and usability, allowing digital identity to scale securely in the real world.

Can’t make it, but still interested? Book a meeting with us now!

Session 3: [Demo] Onboard users instantly with eIDs via Hopae Connect, the global intermediary

Session led by Lukas Han, Head of Research at Hopae and Bart van der Geest, Head of Compliance at Hopae.

Lukas and Bart will host a live speed demo of Hopae Connect, the intermediary that allows relying parties to accept and verify eIDs and digital wallets.

The session will show how any online services can:

  • Instantly verify a user’s identity issued by a public or private eID provider around the world

  • Stay compliant with regulations

  • Eliminate the complexity of connecting to multiple identity sources

Today, integrating with multiple wallets and eID schemes all over the world would take ages for relying parties. Hopae Connect reduces this to minutes, enabling ID verification providers, eSignatures, banks, mobility services, and online platforms to instantly onboard users securely, anywhere, anytime.

Curious to see Hopae Connect in action? Request a demo with us today!

Why Hopae is building the trusted network for digital identity

Identity is changing fast. Document-based verification is no longer bulletproof, from the surging AI-driven fraud that costs billions every year to companies, to users who abandon complex logins in search of convenience.

Governments are responding with new digital ID frameworks such as eIDAS 2.0, mDL pilots, and more recently K-ARF. But these regional initiatives risk creating a fragmented landscape. Strong locally, but disconnected globally.

Hopae exists to solve this! By building the trusted network that connects every framework, wallet, and service, so anyone can prove who they are, anywhere, anytime.

Meet Hopae at IIW Fall 2025

Join Hopae in San Francisco to see what global interoperability looks like in action.

  • Location: Computer History Museum, Mountain View, CA

  • Dates: October 21–23, 2025