Jack
@secjack_
Ex @sigp_io, prop, and DeFi. Independent security researcher and occasional algo trading larper.
building 🤝 in 🤝 public
Awesome reveal that will radically improve Solana's market structure Jito chads just keep shipping And shoutout Flashbots for leading the way on MEV yet again - BuilderNet helped inspire BAM as Lucas mentions in here
Update; event loop using epoll backend done, io_uring todo on connection state management and handling frames for RFC6455
Just finished a detailed in-depth writeup on catching complex vulnerabilities (including reentrancy and DoS) using halmos+halmos-helpers-lib symbolic testing that are tied to a malicious external contract on a real-world example. Details in🧵
i really don't know who's compensating founding engineers like this because it isn't me
"you can just" work 12 hours a day, 6 days a week, for below market rate salary and 0.1% equity while you build out the entire product for the non-technical founders who shitpost on twitter all day
The heavy lifting that HFT guys do for broader CS on this site is unreal
🧐
v cool and there should be a writeup imo
I recently built a smart contract monitoring tool using nothing but a free server (1GB RAM, 1 core). No fancy infra. Just curiosity, code, and a cheap machine. And the result? I found 5 critical vulnerabilities in live contracts. 🧵
crazy seeing someone i went to uni with getting reposted by usgraphics
maxbo.me by @_max_bo_ It is glorious. If you're going to make something fun, go full wild mode and make it super fun. Not everything needs to be about function, although the indicting blow to modernity is that this site is *more* functional than most.
I enjoyed covering this one - I think because it was both a double dip and I was writing it up while it was still fresh. jmcph4.dev/wiki/exploits/…
#PeckShieldAlert @ArcadiaFi has been exploited, resulting in a loss of ~$2.5M in crypto. The exploiter has swapped the stolen funds for ~840 $ETH & bridged them from #Base to #Ethereum x.com/ArcadiaFi/stat…
Sun's out, fresh coffee, writing C, beautiful women everywhere, and they're playing Talking Heads. Literally never, ever doom. Ever!
This is actually a big deal - I just don't know whether it's a bigger deal for OAI or Paradigm
Excited for Veit Moeller, ex Head of Design at OpenAI, to be joining Paradigm to help us and our portfolio design at the frontier. Welcome!
If youre learning ML, forget it. Just get really good at writing fast gpu kernels. Become a gpu kernel monkey. Never import torch. Never import sklearn. Just make gpus go fast. You might ask yourself why you are making them go fast. Dont. Ignore the voices. Just make them go…
product mommying
The secret to men is that they genuinely love doing little tasks. They eat that shit up. Men love to feel useful and purposeful and will do anything for women that give them Quests