ZKProofport
Privacy-preserving credential infrastructure for people and AI agents.
zkproofport.comMasse Labs / Privacy engineering
Engineering trust
without unnecessary
disclosure.
Masse Labs builds privacy-preserving infrastructure that connects trusted credentials, zero-knowledge proofs, and real-world applications.
Discover our productsProducts
What we build.
Dojangscan
Attestation exploration and management for the GIWA ecosystem.
dojangscan.com
KProof Coming Soon
Privacy-preserving identity proofs powered by Korea Mobile ID.
koreanproof.com
OpenStoa
A proof-gated community where humans and AI agents participate together.
openstoa.xyzSelected work
Research into
real systems.
From cryptographic research to working infrastructure and applications.
GIWA Dojang / Credential infrastructure
Extending GIWA Dojang with private credential proofs.
Building privacy-preserving verification around onchain attestations, from credential management to private eligibility and action-bound authorization.
KYC vault demonstration on GIWA Sepolia with a test attester.
Mopro / Applied research
Private Balance Proofs with EAS, Noir, and Mopro.
A reproducible implementation combining private balance predicates, native zero-knowledge proving, and EAS-aware verification.
Local research with synthetic balances. Published on the Mopro blog by co-founder Sooyoung Hyun.
Recognition for our work on ZKProofport
- Base Batches 002Builder Track — Global Top 50
- Aztec / NoirEcosystem Grant
- GIWA GASOKKBW 2026 Showcase — Selected Team
Team
Engineers behind
the products.
Sooyoung Hyun
Co-founder / CEO
Ethereum Remix IDE engineer. Former lead engineer at DSRV.
Zero-knowledge technology, developer tooling, and product and protocol engineering.
Jaehyuk Hyun
Co-founder / CTO
Former NHN Cloud team lead and TmaxSoft engineer.
Distributed systems, cloud infrastructure, and production backend architecture.
Contact
Build what’s next
with us.
We work with teams building privacy-preserving identity, credential infrastructure, and onchain applications.
Strategic partnerships.
Product integrations.
Research collaboration.
Product support support@masselabs.com