System Notes: Expeditions
A record of technical explorations across computer systems and software internals.
catme0w (猫喵), started as an email address, which is why it doesn’t quite sound like a name.
CS student by trade, whose hobbies have also (unfortunately) all ended up in computers.
Used to play Xbox and Switch, but now 99% PC. The remaining 1% goes to maimai at the arcade.
this does not translate: 小时候梦到自己长大成了祸患，还好梦都是反的，长大成了福瑞
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For Chinese readers
右上角（手机版在顶部正中央）可以切换到中文版。
Categories
System Notes: Procedures
Executable technical procedures or tutorials. Written for humans and machines alike.
Observations
Personal observations and reflections about culture, technology trends, and experiences.
catGN Reviews
A game review series inspired by IGN’s style.
Behind the Scenes
The behind-the-scenes stories and development processes of my projects.
Life Fragments
Travel, events, and stories from everyday life.
Lore
Fictional works.
All Articles
How to Hide Auto-Increment IDs in Public APIs Without Adding a Column
2026-05-22 · System Notes: Procedures
The clever use of AES
How Silence Is Manufactured
2026-05-10 · Observations
Controlling the narrative doesn’t require force. It only requires making people decide that speaking up isn’t worth it.
YSM Has Been Cracked, but Copyright Protection Was Never the Point
2026-05-05 · Observations
Everyone is arguing over whether copyright should be protected. No one is asking what this encryption was actually protecting.
What Do runc's Release Names Say?
2026-02-20 · System Notes: Expeditions
Qu Yuan, Attack on Titan, and the global container infrastructure
Seventeen Years of Misunderstanding
2025-11-14 · System Notes: Expeditions
How a 2008 DRM triggered supply chain attack paranoia in 2025
The Furry You Are Following Does Not Exist: A Re-Introduction to 银碳Gintan
2025-11-01 · Observations
There’s a simple test to tell if someone is real or just a commercial project wearing a fursuit: Can you take them out for hotpot?
Lost One's Chiral
2025-10-22 · Behind the Scenes
When a top student weaponized “chiral carbon CAPTCHAs” to gatekeep communities, I built a neural network (plus a classic algorithm) to dismantle the Social Darwinist ideology being quietly normalized behind “just a CAPTCHA”.
Neglected - 5/10
2025-10-22 · catGN Reviews
After Finishing the Game, I Couldn’t Even Remember the Protagonist’s Name
Project Oasis - 6/10
2025-10-22 · catGN Reviews
Waking Up 3,000 Years Later, Only to Live in Someone Else’s Shadow
The Kernel Trilogy, Volume III: Undefined Behavior
2024-12-06 · System Notes: Expeditions
Beyond the boundaries of the specification, finding another possibility, and its cost.
The Kernel Trilogy, Volume II: Interrupt Return
2024-11-10 · System Notes: Expeditions
After a system reset, all states are lost, except for those memories written to non-volatile storage.
The Kernel Trilogy, Volume I: The Trap
2023-11-14 · System Notes: Expeditions
When the exception first occurred, I didn’t yet know that some errors cannot be caught.
24 Hours Ago, I Died
2023-08-07 · Observations
I suddenly vanished from the digital world. 24 hours later, when my internet self awoke from death, I finally understood: under the guise of “risk control,” your digital identity never truly belongs to you.
fursuit 吧: Archive and Time Machine
2022-09-02 · Behind the Scenes
In a dream, I stood under a spotlight, holding up a disc containing restored data, declaring to those who tried to make us forget where we came from: Go to hell, you didn’t succeed. After waking up, I spent six months turning that dream into reality.