CEO of @pessimistic_io and @sadspotter Host of @basicblockradio Punk Drummer
Joined May 2010
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🎤 I’m speaking at Blockchain Community Day 2025!
🗓️ June 11, 14:00 CET
📍 Online | Free to attend
My session: "DeFi security from the user perspective"
👉 Register now! epa.ms/BlockchainConf-2025-3…
Finally, someone is working on a really cool project!
I've been working on this thing for the past 3 years on and off. It started as a fun side project but grew into something huge (like, REALLY HUGE). You've never seen anything like it! Check out my detailed post below.
And zoom this thing in Figma 🔍 figma.com/design/pENhenndHyI…
Alexander Seleznev retweeted
Hey everyone!
We are glad to announce that on Thursday, we will host an X space where @turbofakesmile and @urbittesweet will talk about our security tooling research and recent Slitherin updates. The main goal is to show the current state of the tooling and its performance and to discuss with the community how we can improve it. June 20th, 13:00 CET Time!
See ya!
xitter.cf/i/spaces/1YqKDggREXVxV
Finally, the new design! We've been working on it for two months, and I am happy that it finally matches my feelings about our work:)
Hey, check out Pessimistic’s new style and website! We have a bright new look to make our outstanding security services shine even more.
We're happy to keep making the space safer — come and get your web3 project security audited 👊 pessimistic.io
Alexander Seleznev retweeted
1/7
In this and upcoming posts we'll describe security detectors of the recent Slitherin v0.7.0 release: github.com/pessimistic-io/sl…
Let's start with the Arbitrum Chainlink Sequencer Uptime detector: github.com/pessimistic-io/sl….
Alexander Seleznev retweeted
🚀 All DAOs, One App - it is LIVE now with full @SnapshotLabs integration! Just wait until we add more DAO frameworks! Fire up your iOS devices and snatch Early User achievement 🍀download.goverland.xyz/
That’s a thread ↓
#DAOs #web3
Alexander Seleznev retweeted
Hi everyone! The Pessimistic Team is looking forward to spend the next two days at #TOKEN2049 👏
We're excited to connect and chat about audits, security tooling, and more!
@token2049
Ping me if you are in Denver! We have a lot of free security stuff :)
Hi all, The Pessimistic Team will be at #ETHDenver2024!
Excited to connect over the next week 🙌
We aim to boost security in the space with our static detectors, real-time monitoring solutions, and, of course, audits.
If you are building on Arbitrum, contact me!
Slitherin vulnerability detector is now coming to @arbitrum 🎉
We are excited to boost the security of this vibrant ecosystem, backed by a grant from the Arbitrum Foundation!
Alexander Seleznev retweeted
It's already the sixth day of @EFDevconnect. @msbenighted keeps pitching #web3 security at the illegally cozy meetup by @dearnadianadia 🤗
Alexander Seleznev retweeted
Hey, frens! The Pessimistic Team is heading to #Devconnect, with both our tech and business teams participating. Looking forward to catching up from tomorrow onwards! 🙌
Alexander Seleznev retweeted
What's up Slitherin?
A developer diary by @urbittesweet 👇
blog.pessimistic.io/whats-up…
Alexander Seleznev retweeted
1/2 🎉 1 year of dedication and hard work! Today, we celebrate Slitherin's 1-year anniversary! Exciting news coming your way - stay tuned! 🔥
See the Slitherin timeline below ⬇️
Alexander Seleznev retweeted
Pessimistic launches Junior program ⬇️
blog.pessimistic.io/pessimis…
Alexander Seleznev retweeted
Day 10/30
Compound forks have a bad reputation in the security space, but that's a bit unfair. Any forked protocol where the developers do not deeply understand the design and assumptions is a problem. As more devs pile into DeFi, the problem will get worse
Alexander Seleznev retweeted
Today our system spotted an attack (2M$ loss) on Zunami Protocol before it was even executed!
TX: etherscan.io/tx/0x085b1b9350…
