Our Technology
We are leading innovators in zero knowledge proof (ZKP) technology. Under the guidance of Professor Hyunok Oh and Professor Jihye Kim, our R&D team has achieved groundbreaking advancements in ZKP technology, addressing the most demanding requirements for privacy and security.
Our contributions have not only advanced ZKP technology but have redefined its boundaries, enhancing efficiency, flexibility, and applicability across a range of critical domains. From revolutionary encryption schemes to cutting-edge AI verification frameworks, Zkrypto delivers superior performance and security that outpaces industry standards.
Explore our published papers to gain detailed insights into our innovations and discover how our transformative contributions are reshaping the landscape of modern cryptographic applications.
1. SAVER: SNARK-friendly, Addictively-homomorphic, Verifiable Encryption and decryption with Rerandomization
The SAVER framework enhances the integration of zk-SNARKs with encryption technologies. By decoupling encryption processes from SNARK circuits, SAVER achieves efficient encryption and decryption capabilities while enabling verifiable proofs of encrypted data properties. This advancement not only has significantly improved latency proof times and common reference string (CRS) sizes but also has enhanced security and privacy in blockchain applications like voting systems.
Learn more about our SAVER technology
2. Simulation-Extractable zk-SNARK with a Single Verification
Introducing new SE-SNARK schemes based on quadratic and square arithmetic programs, we mitigate vulnerabilities in existing zk-SNARKs. These schemes streamline verification processes to a single step, minimizing proof sizes and improving efficiency without compromising security. Ideal for resource-limited environments, our SE-SNARKs ensure robust verification against algebraic manipulation threats.
Learn more about our SE-SNARK advancements.
3. vCNN: Verifiable Convolutional Neural Network based on zk-SNARKs
Our vCNN framework optimizes the verification of AI inference services using zk-SNARKs, significantly reducing computational complexity. By accelerating proving times up to 18,000-fold for complex models like VGG16, vCNN enables efficient and secure verification of AI results while protecting sensitive data through cryptographic commitments.
Learn more about our vCNN and its applications.
4. Forward-secure Multi-user Aggregate Signatures based on zk-SNARKs
We present a forward-secure signature scheme leveraging recursive zk-SNARKs, ensuring constant complexities independent of time periods. Our scheme supports multi-user signature aggregation, enhancing efficiency and flexibility in decentralized environments without sacrificing security.
Learn more about our forward-secure signature innovations.
5. Azeroth: Auditable Zero-knowledge Transactions in Smart Contracts
Azeroth introduces a privacy-enhanced transaction framework using zk-SNARKs, combining confidentiality with auditability on blockchain platforms. Featuring dual accounts and an accumulator for anonymity, Azeroth provides robust transactional privacy while meeting regulatory requirements.
Learn more about Azeroth’s advantages in transactional privacy.
Company History
Jan.
zkVoting Poll Station: CES 2024 Best of Innovation Award (Cybersecurity& Privacy)
2024
Jan.
zkVoting Poll Station: CES 2024 Best of Innovation Award (Cybersecurity& Privacy)
2023
Jan.
zkVoting: CES 2023 Best of Innovation Award (Cybersecurity& Privacy) and Innovation Award (Software& Mobile Apps)
zkWallet(Azeroth): CES 2023 Innovation Award (Cybersecurity & Privacy)
Apr.
Current Professor at HANYANG University
Dec. 2005– Aug. 2008 : Staff Software Engineer, ARM Inc. Irvine CA,USA
May.
Directed The WEB 3.0 Blockchain WEB3.0 Blockchain Privacy Protection Digital Wallet Service for the National IT Industry Promotion Agency (NIPA).
Jun.
Stepping Stone initiative: Lead Digital Content Global Capability Enhancement for The Ministry of SMEs & Startups.
Jul.
Partnered with Korea’s National Election Commission to implement Blockchain Voting for government elections
Collaborated with Korea’s Internet & Security Agency (KISA) on a research project for a national digital wallet initiative.
Selected for Dino Lab by Woori Bank.
LG CNS Startup Monster selection.
Nov.
Won the Minister of Science and ICT Commendation at the Blockchain Merit Awards 2023.
zkVoting awarded Chairman’s Prize at 2023 Mobile Technology Awards by Korea ICT Promotion Association.
Aug.
Start-up Growth Technology Development
Project: Ministry of SMEs and Startups.
Oct.
zkVoting selected for ‘Innovation Technology’ category at Korea’s ‘Science New Exhibition
2022
May.
Selected for NH Digital Challenge+ Advised the South Korean Supreme Court on blockchain registration.
Jun.
Partnered with Korea Internet & Security Agency (KISA) contract to cultivate widespread usage for blockchain and spearhead a research institute for blockchain technology.
Collaborated with Suprema ID to develop a privacy-preserving, blockchain- based platform for MyData transactions.
zkVoting: Zero-knowledge proof blockchain online voting service is released.
Jul.
Selected as the most Innovative University Startup award by the Korea Institute of Startup & Entrepreneurship Development.
Nov.
Chosen to present our zero-knowledge proof technology paper at world’s top security conference (CCS 2022).
Privacy proposal selected by the Zero-Knowledge Proof International Standardization (zkproof.org).
2021
Jan.
Preliminary development for a privacy-guaranteed digital asset service is launched with Klaytn Foundation.
Apr.
Appointed by the Ministry of Science and ICT to mentor South Korea’s blockchain development project for the data economy, improving scalability and privacy solutions.
Partnered with IITP (The Institute for Information communication Technology Planning and evaluation) to refine and establish protection against core source technology for computer information systems.
R&D Center is established.
May.
Achieved Best Small Enterprise Package Selection from KISED (Korea’s Institute of Startup & Entrepreneurial Development)
Jul.
Selected by the Bank of Korea to consult and cultivate a Privacy and Audit solution for Korea’s first CBDC project.
Jun.
Registered as a venture business.
2020
Nov.
Zkrypto Inc is established.
Sep.
Selected and awarded for the Best Preliminary Startup Package Selection from KISED(Korea’s Institute of Startup & Entrepreneurial Development).
Company History
Our Team
Our diverse team of experts are poised to scale and expand privacy solutions across the industry having extensive experience in blockchain technology and business development.
CTO
Professor Jihye Kim
- Current Professor at Kookmin University
- Former Researcher at Research Institute of Mathematics, Seoul
National University
- Ph.D. in ICS, UC Irvine
CPO
Bongkyu Kim
- Current lecturer in Blockchain FinTech at Hanyang University
- Former Director of the NH Digital R&D Center at Nonghyup Financial Group - PhD in Blockchain FinTech, specializing in Korea's Central Bank Digital Currency (CBDC) - Successfully led the development and launch of Korea’s first financial 'OpenAPI' in 2015
CSO
Hyungjun Kim
- FORMER SENIOR AT DELOITTE
- FORMER SENIOR EXEC. AT HYUNDAI
- FORMER CIO AT GC Healthcare
CEO
Professor Hyunok Oh
- Current Professor at HANYANG University
- Dec. 2005– Aug. 2008 : Staff Software Engineer, ARM Inc. Irvine CA,USA
- Sept. 2003 – Nov. 2005 : Post Doctoral Researcher, UC Irvine, CA, USA - Mar. 2003 – Sept. 2003 : Post Doctoral Researcher, Research Institute of Advanced Computer Technology, Seoul, Korea - Ph.D. in Computer Engineering, Seoul National University, Korea, 2003 - M.S. in Computer Engineering, Seoul National University, Korea, 1998 - B.S. in Computer Engineering, Seoul National University, Korea, 1996 - Seoul Science High School, Korea, 1992 - AWARDED 2024 PRESIDENTIAL MEDAL OF SCIENCE - AWARDED 2023 MINISTER'S AWARD IN SCIENCE
Our Team
Our diverse team of experts are poised to scale and expand privacy solutions across the industry having extensive experience in blockchain technology and business development.
CEO
Hyunok Oh
-
Current Professor at HANYANG University
-
Dec. 2005–Aug. 2008 : Staff Software Engineer, ARM Inc. Irvine, CA,USA
-
Sept. 2003–Nov. 2005 : Post Doctoral Researcher, UC Irvine, CA,USA
-
Mar. 2003–Sept. 2003 : Post Doctoral Researcher, Research Institute of Advanced Computer Technology, Seoul, Korea
-
Ph.D. in Computer Engineering, Seoul National University, Korea, 2003
-
M.S. in Computer Engineering, Seoul National University, Korea, 1998
-
B.S. in Computer Engineering, Seoul National University, Korea, 1996
-
AWARDED 2024 PRESIDENTIAL MEDAL OF SCIENCE
-
AWARDED 2023 MINISTER'S AWARD IN SCIENCE
CSO
Hyungjun Kim
-
Currently in charge of business strategy and project management at Zkrypto
-
Former CTO at GC Healthcare, responsible for New Business Development
-
Formerly in charge of New Business Planning for B2C Platform at Hyundai Capital
-
Former Senior Manager at Deloitte Consulting, led IT and strategy consulting projects
-
Formerly responsible for MIS for the Ministry of Finance and the Ministry of National Defense at LG CNS
-
Holds USCPA and CISA certifications
CPO
Bongkyu Kim
-
Current Adjunct Professor in Blockchain FinTech at Hanyang University
-
Former Director of the NH Digital R&D Center at Nonghyup Financial Group
-
PhD in Blockchain FinTech, specializing in Central Bank Digital Currency (CBDC)
-
Successfully led the development and launch of Korea’s first financial 'OpenAPI' in 2015
CTO
-
Current Professor at Kookmin University
-
Former Researcher at Research Institute of Mathematics, Seoul National University
-
Ph.D. in ICS, UC Irvine