Taek Lee

Taek Lee

CTO at ZeroDev, based in Seoul.

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Recent writing

All writing

  1. Keys and Accounts: Native AA — EIP-8130 vs EIP-8141

    Why native account abstraction needs both key-originated and account-originated transactions—and why configuration-backed identity is inevitable.

  2. ERC4337 Retrospect:

    The EOA Transition: An In-Place Path to Native AA

    An argument for native account abstraction that upgrades existing EOAs in place by replacing root authorization without sacrificing address continuity.

    Part 3 of 3

  3. ERC4337 Retrospect:

    Kernel v1-v4: What Production Kept - and What It Left Behind

    A four-version retrospective on how Kernel evolved from EOA-rooted compatibility to replaceable validation, modular permissions, and a production-driven v4 foundation.

    Part 2 of 3

  4. ERC4337 Retrospect:

    Final, Not Finished: What ERC-4337 Taught Us

    A production retrospective on how ERC-4337 converged into a shared execution and sponsorship rail while exposing the limits of standalone smart-account migration.

    Part 1 of 3

  5. EIP-3074 Invoker with Permissions

    Using ERC-7579 policies and signers to bring session keys and passkeys to EIP-3074 EOAs.

Selected work

GitHub

About

I work on smart account infrastructure and protocol security. At ZeroDev, I help build Kernel. Before that, I worked as a smart contract auditor at HAECHI LABS.

Experience