run a blog @nullptrs // bsky.app/profile/1999.nyc
Joined April 2018
- Tweets 6,524
- Following 942
- Followers 5,753
- Likes 5,756
1,174 Photos and videos
Mar 11
here’s a showcase of some of my public work
6 Oct 2025
i'm building a web browser for reverse engineers!
* identify calls to common fingerprinting APIs
* decode/decrypt known data collector payloads
* override / hook things without leaving a trace
* detect obfuscated scripts & deobfuscate
more
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Mar 11
some more
30 Jun 2025
Reverse Engineering Vercel's BotID by @blastbots
nullpt.rs/reversing-botid
ALT Vercel recently announced BotID, an anti-bot meant to protect against bots without requiring manual intervention. This post reverse-engineers the script and takes a peek inside.
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Mar 8
My entire career can be traced back to my Mom buying me Minecraft for my 12th birthday
Mar 8
Minecraft was the greatest CS education ever made. And nobody planned it that way.
At 12 I was obsessed. Wanted my own servers. So I learned Bukkit, Java plugins, basic networking, Linux deployment. Built worlds that only exist in my mind but still feel completely real.
I broke wifi routers and fixed them. Broke Windows configs and fixed them.
Tinkering, breaking stuff, and fixing it later is how we learn stuff best when we are kids.
What is the Minecraft for the new generation?
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Feb 19
Very ominous text
ALT Text from unknown number that says 2026-02-28T17:27:29.000Z
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Jan 18
now the whole gang is making their own hytale hacked client
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Jan 16
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Jan 16
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Jan 16
Now featuring ESP
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Jan 16
now featuring: speed and fly hax
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Jan 16
ff to add my disc if you’re also doing cool stuff (or if you just feel like staying connected): nullptrs
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Jan 15
did i make the first hytale hacked client?
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Jan 7
I just published a post on how I like to think about fingerprinting in fraud detection 👇
Not as a single device ID, but as engineered representations that capture patterns across different dimensions, e.g. hardware, behavior, and email.
blog.castle.io/fingerprints-… 🤖
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