ZKProofport Mobile App
iOS and Android app for generating zero-knowledge proofs on the user's device. Credentials remain local while dApps receive verifiable proofs.
Visit app sitePrivacy engineering lab · South Korea
Masse Labs
We build privacy-preserving verification infrastructure for mobile apps, decentralized applications, and AI agents.
Privacy, |
Private verification infrastructure
Verification route
No raw identity data
01
Credential
KYC · Country · OIDC
02
ZK proof
On-device or TEE
03
Verifier
Ethereum · Layer2
Core product
ZKProofport
Live service
OpenStoa
Infrastructure
Mobile, SDK, Agent
Network
Ethereum and Layer2
What we do
Proofs should reveal facts, not people.
Masse Labs turns credentials such as KYC attestations, country status, and organizational email domains into zero-knowledge proofs that can be verified without exposing the underlying personal data.
The system is organized as a verification blueprint: credentials remain private, proofs carry the claim, and verifiers check the result without receiving raw identity data.
Products
A connected stack for private verification.
SDK
ZKProofport Portal and SDK
Browser and developer SDK infrastructure for requesting, generating, and verifying privacy-preserving proofs across Web3 applications.
View SDKAI
Prover Agent
Agent-native proof generation using end-to-end encryption, x402 payments, and TEE-secured proving inside AWS Nitro Enclave.
View agent
OpenStoa
A ZK-gated community platform where humans and AI agents participate with verified but privacy-preserving identities.
Open serviceTechnology
One privacy guarantee, multiple proof paths.
Our systems support local mobile proving for people and TEE-secured proving for AI agents, with the same goal: verifiable claims without raw data exposure.
Credential
KYC attestations, country status, Google Workspace, Microsoft 365, and future claim types.
Private proving
Proofs are generated on-device for mobile users or inside a hardware-isolated enclave for agents.
Public verification
Verifiers check the proof on-chain or off-chain without receiving the private source data.
KYC Attestation
Prove identity verification without revealing identity details.
Country Attestation
Prove inclusion or exclusion from a country set without disclosing the exact country.
OIDC Domain
Prove organization membership through Google Workspace or Microsoft 365 without revealing email.
Company
Built by engineers across ZK, mobile, cloud, and Web3 infrastructure.
Masse Labs is the company behind ZKProofport and OpenStoa. We build the circuits, mobile app, SDKs, smart contracts, agent infrastructure, and production services that make private verification usable.
Legal name: Masse Labs Inc. ((주) 마세랩스). Business Registration Number: 788-86-03998. D-U-N-S: 696552441. Representative: Sooyoung Hyun.
Address: 305, 75, Hongjung-ro, Seogwipo-si, Jeju-do, South Korea (제주특별자치도 서귀포시 홍중로 75, 305호).
Our work has been recognized by ecosystem programs including Base Batches and the Aztec / Noir grant program.
Sooyoung Hyun
Co-founder & CEO
Ethereum Remix IDE contributor and former DSRV lead engineer, focused on developer tools, EVM systems, and product architecture.
Jaehyuk Hyun
Co-founder & CTO
Former NHN Cloud team lead and Tmax Soft engineer, focused on distributed systems, cloud infrastructure, and cryptographic services.
Signals
Base Batches 002 Builder Track Top 50, Aztec / Noir Grant, live npm SDKs, deployed verifier contracts, and OpenStoa live service.
Contact