Xiaomao

@NjeriiChan

Slaying the skill issue dragon!

KEJoined August 2024

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Learning ZK and Cryptography. Base global builder & Devrel prev SUPRA_Labs Learning at exponential speed.

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zk and privacy-focused opportunities. Technical content writer

Xiaomao's blogs

Xiaomao's blognjerii.hashnode.dev6 posts

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Recently published

XXiaomaonjerii.hashnode.devJan 27 · 18 min read

Anonymous Blockchain Voting is Impossible (I Was Wrong)

First, you'll think it's impossible. "Anonymous voting on a public blockchain?" Then, after you understand the basics, you'll think it's simple. "Oh, you just hash some secrets and use a Merkle tree. Easy!" You'll be wrong both times. The real insigh...

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XXiaomaonjerii.hashnode.devDec 8, 2025 · 45 min read

P3RF3CT ROOT CTF 2025 Writeup - Web3 & Cryptography

Introduction "See you at the next CTF! Maybe next time I'll see less dust and capture more flags!" Well, past me... I'm happy to report: MISSION ACCOMPLISHED. 🎉 Last year, I stumbled through the P3rf3ctr00t CTF like a newborn deer on ice. Wide-eyed,...

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XXiaomaonjerii.hashnode.devSep 25, 2025 · 4 min read

My Leap Into Zero Knowledge: A ZkForge Bootcamp Journey

When I joined the ZkForge Bootcamp by ZKMonk, I wasn’t sure what to expect. I only knew one thing: I needed structure. Zero-knowledge proofs had been this vast ocean I was swimming in, reading papers, tinkering with toy examples, but never fully know...

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XXiaomaonjerii.hashnode.devDec 15, 2024 · 4 min read

Advent of Rust 2024: Day 2—References in Rust 🦀

Borrowing without ownership Yesterday, we solved the ownership puzzle using .clone(). Today, I am introducing a more elegant solution: references! Original Code (Ownership Transfer) fn main() { let gift_message = String::from("Merry Christmas! En...

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XXiaomaonjerii.hashnode.devDec 14, 2024 · 2 min read

Advent of Rust 2024: Day 1 - Rust's Ownership🦀

The Original Challenge fn main() { let gift_message = String::from("Merry Christmas! Enjoy your gift!"); attach_message_to_present(gift_message); println!("{}", gift_message); } fn attach_message_to_present(message: String)...

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Xiaomao

About

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Xiaomao's blogs

Recently published

Anonymous Blockchain Voting is Impossible (I Was Wrong)

P3RF3CT ROOT CTF 2025 Writeup - Web3 & Cryptography

My Leap Into Zero Knowledge: A ZkForge Bootcamp Journey

Advent of Rust 2024: Day 2—References in Rust 🦀

Advent of Rust 2024: Day 1 - Rust's Ownership🦀

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Xiaomao

About

Available for

Xiaomao's blogs

Recently published

Anonymous Blockchain Voting is Impossible (I Was Wrong)

P3RF3CT ROOT CTF 2025 Writeup - Web3 & Cryptography

My Leap Into Zero Knowledge: A ZkForge Bootcamp Journey

Advent of Rust 2024: Day 2—References in Rust 🦀

Advent of Rust 2024: Day 1 - Rust's Ownership🦀