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Achievements

Achievement: Pull Sharkx3Achievement: YOLOAchievement: QuickdrawAchievement: StarstruckAchievement: Pair Extraordinairex2

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zsystm/README.md

Hyunwoo Lee (zsystm)

Senior Blockchain Engineer with 7 years of experience across Layer 1 blockchain development and Web3 services.
Specialized in EVM compatibility, performance engineering, and execution optimization.

📄 View Resume
🌐 Twitter • LinkedIn

🔹 Highlights

  • Core contributions to CosmosEVM, Canto (Ethermint), Injective, Story, Babylon, and Klaytn.
  • Performance research on L1 scalability (OPE + MemIAVL) targeting 10k TPS under 1s block times.
  • Experience building and maintaining Klaytn SDKs and integrating Rosetta API (Coinbase standard).
  • Background in backend engineering (APIs, dashboards, data pipelines) and threat intelligence systems.

📊 GitHub Stats

zsystm's GitHub stats

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  1. evm evm Public

    Forked from cosmos/evm

    An EVM compatible framework for blockchain development with the Cosmos SDK

    Go

  2. solizard solizard Public

    Super easy interactive shell for interacting with smart contract on any evm chain.

    Go 64 5

  3. gadget gadget Public

    A simple yet powerful CLI tool for various cryptographic and address-related tasks, especially handy in Tendermint(CometBFT) & Ethereum ecosystems.

    Go 4

  4. story story Public

    Forked from piplabs/story

    Official repo for the Story L1 consensus client, contracts, and associated tooling.

    Go

  5. mptviz mptviz Public

    An interactive tool designed to help developers and blockchain enthusiasts visualize and better understand one of Ethereum's core data structures—the Merkle Patricia Trie (MPT).

    TypeScript 6

  6. handson-mnemonic handson-mnemonic Public

    Jupyter Notebook 2