PRIVA - Anonymous & Verifiable Web3 Work Identity Platform

🌐 Overview

PRIVA is a zk-powered, privacy-first hiring platform for Web3 developers who want to prove their real contributions and professional reputation without revealing personal identity. By combining Zero-Knowledge Proofs (ZKPs), Decentralized Identifiers (DIDs), and verifiable on-chain activity, PRIVA creates trustful yet anonymous bridges between developers and hiring organizations.

🚩 Problem

Web3 developers increasingly avoid job applications due to forced identity exposure and unverifiable employer credibility. According to ConsenSys 2023 Developer Report:

• 62% of Web3 developers hesitate to apply for jobs that require revealing their real identity.
• 70% of CVs include misleading or unverifiable information.
• 86% of candidates research a company via employee reviews before applying.

Current job platforms (e.g., LinkedIn, AngelList) fail to ensure privacy and on-chain credibility.

🔍 Solution

PRIVA empowers developers to:

• Prove credentials via zkJWT, zkEmail, or zkCertificates without exposing personal data
• Aggregate on-chain developer signals (testnet activity, DAOs, GitHub commits)
• Receive and give anonymous company feedback using privacy-preserving zkProofs

For Employers:

• Validate applicant skills through verifiable credentials and on-chain proofs
• Access pseudonymous but reputation-backed talent pool
• Reduce hiring time via instant credential verification

🔧 Tech Stack

• Smart Contracts: Noir zkProofs + Aztec compatibility (zkEmail, zkJWT circuits)
• Frontend: NextJS + TailwindCSS
• Wallet Auth: Ethereum (EOA), zkLogin & World compatible

frontend repo - https://github.com/koza-dao/frontend

🧪 Key Features

• 🔐 Anonymous Application: Prove reputation, hide identity
• ✅ Verifiable Credentials: On-chain proof of skill, off-chain zkCerts
• 💬 Anonymous Company Reviews: zk-proof of employment + anonymous feedback
• ⛓ Testnet Indexing: Developer's on-chain activity fetcher

📊 Impact Metrics

• 30% faster hiring (via DID & VC pilot programs in EU)
• 46% less bias when using anonymous applications (NBER)
• +30% engagement from passive candidates when anonymity is preserved (GoGig)

📚 Future Roadmap

Our long-term vision is to evolve PRIVA beyond hiring, into a decentralized professional network for developers — enabling authentic, privacy-respecting collaboration, reputation building, and opportunity discovery.

• Modular zkResume Builder: Allow users to compose zero-knowledge based resumes with verifiable modules.
• Reputation Layer: On-chain developer scoring system based on activity, endorsements, and feedback.
• DAO/Org Network Layer: Enabling devs to explore and join DAOs, guilds or collectives based on privacy-preserving reputation.
• zkSocial Graph: A cryptographic layer to map meaningful, verifiable connections between users without disclosing identities.
• Private Messaging: End-to-end encrypted messaging with zk identity verification.
• Public Credential Explorer: Developers can optionally publish verifiable skills/experience sets for community recognition.

📄 License

MIT License

✍️ Contributors

• Tugay Sönmez - Research
• Ebubekir Rüzgar - Frontend
• Emre Gülünk, Fatmanur Özçetin - Contract
• Ömer Aksu - Design

📎 References

• ConsenSys Web3 Developer Survey 2023
• NBER Anonymous Hiring Study
• Dock.io VC Tech Blog
• Select Software Reviews (Hiring with VCs)
• ETHGlobal zkCV hackathon submissions

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PRIVA is built during NoirHack 2025 to demonstrate how privacy and verifiability can co-exist in Web3 hiring.