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liangzhongkai/README.md

Trading System · EVM DeFi Protocol · Web3 Security

X Ethereum

$ whoami

> Name       : Kevin Leung
> Focus      : Smart Contract Security · EVM Internals · DeFi Protocols
> Stack      : Solidity · Foundry · C++ (Low-Latency Trading) · Rust
> Goal       : Competitive security auditor @ Code4rena / Sherlock
> Now        : Uniswap V2/V3/V4 deep dive · Exploit reproduction · CTF grinding

$ cat skills.txt

Smart Contract & DeFi

Solidity Foundry EVM Uniswap DeFi

Systems Programming

C++ Rust Python

$ cat cpp_background.txt

2025/08-2025/10 · Trading System C++ Engineer
2023/01-2025/04 · EQ Consulting · Senior C++ Engineer
2017/12-2021/12 · AP Capital Management (Hong Kong) · Senior C++ Engineer
2013/08-2017/10 · Game Backend C++ Engineer

$ cat audit_roadmap.md

[✓] Uniswap V2 / V3 internals — sqrtPrice, tick, feeGrowth, tick bitmap
[✓] EVM deep dive — account model, storage layout, EIP-1967, EIP-1153
[✓] Safe smart account architecture — proxy, delegatecall, modules
[✓] Solidity security patterns — reentrancy, CEI, flash loans, proxies
[▸] Damn Vulnerable DeFi CTFs              [in progress]
[▸] ETHGlobal hackathon — DeFi/security tooling  [upcoming]
[○] Historical exploit reproduction (DeFiHackLabs)
[○] Code4rena / Sherlock competitive audits
[○] Public audit portfolio

$ ./fetch_stats.sh

┌──────────────────────────────────────────────────────┐
│  GITHUB STATS  ·  2026-04-22 04:46 UTC
├──────────────────────────────────────────────────────┤
│  Public repos   37      Stars        6       │
│  Followers      8       Following    41      │
│  Commits(year)  244     PRs          0       │
│  Commits(30d)   100     Issues       13      │
└──────────────────────────────────────────────────────┘

Top languages

  C++           ██████████████████  4 repos
  C             ██████████████████  4 repos
  Rust          █████████░░░░░░░░░  2 repos
  Solidity      █████████░░░░░░░░░  2 repos
  JavaScript    █████████░░░░░░░░░  2 repos

Recently active repos

  ◈ liangzhongkai                    ★1   [Python]  2026-04-21
  ◈ liangzhongkai.github.io          ★0   [HTML]  2026-04-21
  ◈ rust-demo                        ★0   [Rust]  2026-04-20
  ◈ solidity-foundry                 ★1   [Solidity]  2026-04-13
  ◈ solidity-uniswap-v3              ★0   [Solidity]  2026-03-30

Open to collabs on DeFi tooling & smart contract security research

"The map is not the territory — read the source code."

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