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Writing

Technical articles, security analyses, and research contributions.

Security Analysis & CTFs

Ethernaut Level 32: Impersonator

Medium • December 2024
Writeup for the second to last Ethernaut level, involving signature malleability.

Ethernaut Level 33: Magical Animal Carousel

Medium • December 2024
Writeup for the last Ethernaut level, involving bitwise operations.

How I Solved The Rekt Games CTF

Medium • December 2024
Writeup of The Red Guild's CTF challenges at Devcon 7 Southeast Asia.

Protocol Research

EPF Wiki: Proposer-Builder Separation

HackMD • Early 2024
Wiki contribution on PBS for the Ethereum Protocol Fellowship Study Group.

Quantitative Research Directions for Staking Providers

LinkedIn • 2024
Research piece on staking economics and provider optimization strategies.
© 2025 Antonio Rodríguez‑Ynyesto