About Me
Blockchain Researcher & Engineer
Blockchain Engineer
About Me
Blockchain researcher and engineer building DeFi protocols, prediction market tools, and node infrastructure. I audit smart contracts, run on-chain analytics with Dune, and operate validator nodes across multiple networks. M.S. in Finance Security from Korea University.
Skills
Blockchain Development
Programming Languages
Experience
Blockchain Researcher & Engineer
Graylab
- ✓ Researched blockchain protocols and consensus mechanisms across Ethereum, Solana, and Cosmos ecosystems
- ✓ Architected a non-custodial multi-chain wallet with secure key management and optimized asset handling
- ✓ Audited Solidity and Anchor smart contracts, identifying and resolving critical vulnerabilities
- ✓ Designed and implemented DeFi protocol mechanisms with a focus on secure smart contract architecture
Blockchain Researcher & Engineer
Onther
- ✓ Researched Ethereum Layer 2 scaling solutions and rollup optimization strategies
- ✓ Conducted cost-optimization research for efficient L2 operations and resource allocation
- ✓ Built Dune Analytics dashboards for on-chain token health monitoring and protocol analytics
- ✓ Developed and maintained blockchain node infrastructure and deployment tooling
Security Researcher & Engineer / Mobile Developer
JNH Security
- ✓ Developed a mobile software-defined perimeter (SDP) for secure network access
- ✓ Built a DMZ environment for cybersecurity training and penetration testing
Projects
DeFi & Prediction Markets
On-chain prediction markets, DEX clones, DeFi trading bots, and automated vault systems.
Node Infrastructure
Automated deployment scripts for 8+ blockchain validator and compute nodes.
On-chain Analytics
Dune dashboards, rollup data collection, and ML-based esports prediction pipelines.
Smart Contract Security
Audited 25+ DeFi contracts and built a static analysis tool with FastText similarity.
Education
Blockchain
Korea University
Master's Degree of Science in Finance Security
Blockchain Security
Dreamplus & Theori
Dreamplus Academy
Blockchain Field
Korea Information Security Industry Association (KISIA)
Fusion Security Personnel Training
Information Security
Academic Credit Bank System
Bachelor of Information Security
Digital Forensic Track
Korea Information Technology Research Institute (KITRI)
BoB (Best of the Best) - Next Generation Security Leader
Forensic Information Security
Jeonju Kijeon College
Associate Degree of Science
Certifications & Awards
Certifications
Camp Mamo
2025
NAVER Cloud Platform Certified Associate (NCA)
2021
Industrial Engineer Information Security
2020
AccessData Certification Examiner (ACE)
2016
Linux Master Level 2
2015
Awards
Forensic Information Security Academic Excellence Award
2020
Special Prize for Hacking Defence at the Korea Air Force Information and Communications Competition
2017