About Me

Blockchain Researcher & Engineer

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Blockchain Engineer

About Me

Blockchain Engineer Researcher Node Validator

I am a passionate blockchain researcher and engineer with a focus on Ethereum Layer 2 solutions. My expertise lies in developing scalable blockchain solutions and conducting in-depth research on emerging blockchain technologies. I have a particular interest in validating nodes and contributing to the decentralized ecosystem.

50+
Projects
4+
Certifications
2+
Awards

Skills

Blockchain Development

Ethereum & Layer 2 Solutions Expert
Node Operation & Validation Expert
Smart Contract Development Intermediate
Blockchain Development Beginner

Programming Languages

Python Expert
Solidity Intermediate
Go Intermediate
TypeScript/JavaScript Intermediate
Rust Beginner

Experience

Blockchain Researcher & Engineer

Graylab

2025 - 2025
Seoul, Korea
  • Conducted comprehensive research on diverse blockchain protocols and consensus mechanisms to drive technical innovation
  • Architected the non-custodial wallet with a focus on secure multi-chain integration and optimized asset management
  • Performed rigorous security audits on Solidity and Anchor smart contracts to mitigate vulnerabilities and enhance execution efficiency
  • Researched and engineered diverse DeFi protocols, focusing on mechanism design and secure smart contract implementation
BlockchainWalletTypescriptRust

Blockchain Researcher & Engineer

Onther

2023 - 2025
Seoul, Korea
  • Conducted research on Ethereum Layer 2 scaling solutions
  • Optimisation research for efficient L2 operations
  • Analysing and monitoring token health with Dune Analytics
  • Developed and maintained blockchain infrastructure
EthereumLayer 2PythonSolidity

Blockchain Researcher & Engineer

JNH Security

2021 - 2022
Seoul, Korea
  • Develop a mobile software-defined perimeter (SDP) for secure access
  • Build a DMZ for cybersecurity training
Cyber SecurityInformation SecurityPythonKotlin

Projects

Layer 2 Solutions

Research and development of scalable Layer 2 solutions for Ethereum network.

EthereumSolidity

Node Validation

Operating and maintaining validator nodes for various blockchain networks.

RustGo

Blockchain Development

Development of Solana programs and DeFi protocols using Rust.

RustAnchor

Automation Tools

Development of blockchain automation tools and monitoring systems.

PythonTypeScript

Education

Blockchain

Korea University

Master's Degree of Science in Finance Security

2022 - 2025
Seoul, Korea

Blockchain Security

Dreamplus & Theori

Dreamplus Academy

2023
Seoul, Korea

Blockchain Field

Korea Information Security Industry Association (KISIA)

Fusion Security Personnel Training

2022
Seoul, Korea

Information Security

Academic Credit Bank System

Bachelor of Information Security

2020 - 2021
Seoul, Korea

Digital Forensic Track

Korea Information Technology Research Institute (KITRI)

Developing the next generation of security leaders

2019 - 2020
Seoul, Korea

Forensic Information Security

Jeonju Kijeon College

Associate Degree of Science

2015 - 2020
Jeonju, Korea

Certifications & Awards

Certifications

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