Very underrated paper on Ethereum data structures by Kamil Ježek (arxiv.org/pdf/2108.05513…). A lot more accessible than the yellow paper, and with a lot less details left as an exercise to the reader.

One of the hardest things for new auditors is getting your head around a code base. I remember feeling like I was aimlessly jumping in circles. Based on the DMs I've been getting, seems like this is a common experience. Here's the process I now use for every audit...

Hi guys! Sorry for a delay on my promise to share a roadmap for improving audit skills. While creating this roadmap & timelines, I've assumed a person is relatively new to smart contracts & would be able to invest 3-4 hours a day... So here we go...

Spearbit LSR Kurt Barry describes some concepts/techniques when auditing Defi math. Must-watch for anyone wanting to up their game auditing Defi. I've been applying some of these techniques instinctively like: youtube.com/watch?v=7_5hbO… 1/2

🫡 Spearbit

hackmd.io/@blockdev/BJIW… any feedback appreciated!

If you're looking for Yul/Optimizations and tricks, this is your one-stop shop. hackmd.io/@gn56kcRBQc6mO… Thank you Copypaste 🙏

Chainlink 's contest in Code4rena has some fancy bitmap manipulation that would probably take hours for a newb to comprehend. So, I've decided to prepare for you a quick masterclass 🧵

Spearbit has just published our written breakdown of Porter Adam’s seminar: “ZK Series: Intro with Porter Adams” A highly recommended read for all security researchers looking for a clear and concise intro into the world of Zero Knowledge Proofs. paragraph.xyz/@spearbit/demy…

We have some exciting news... Cantina Beta is Live! Before you dive in - let's talk about what all of this means for protocols and researchers today 🪐 ( Read to the end for researcher access codes 👀 ) 🧵👇

The results of the Arcade.xyz competition are officially in! Here are your top 3 placements: 🥇 jesjupyter - $19,546.71 🥈 Black Panther - $16,533.48 🥉 Nyx - $10,453.29 Excellent work all! Full payout details below 🪐

There’s a new Cantina Fellowship Resident in the house, so say hey to Nyx! 🪐

When we say crypto takes security seriously, this is what we mean 🪐 @Eigenlayer is relentlessly pursuing the pinnacle of security standards with the largest-ever, $2,500,000 code review competition starting in February. More info coming soon.

The countdown begins... 🪐 Mark your calendars: Ethereum Foundation is launching a new $2,000,000 competition on Cantina. We're looking for researchers to help shape Ethereum's future and secure Pectra - the next major upgrade.

We're looking for researchers with TON experience, if that's you pls dm me 🙌

$650K+ in rewards are up for grabs *right now* on Cantina 🪐 Current competitions: - LI.FI : $450K USDC - OpenVM : $100K USDC - TermStructLabs : $23K USDC - : $25K USDC - Farcaster Attestation : 60,378K OP - Private competition : $52.5K USDC

The EigenLayer $2,500,000 competition is now open 🪐 The biggest security competition yet, all in the pursuit of the highest possible security standards. Are you ready? 💰 $2,500,000 USDC 📆 Live now - March 28th 🔗 Below

Get excited, your TermMax | Fixed Rate Borrowing & Lending competition results are in! 🪐 Your top 3 ranked researchers are: 🥇 BengalCatBalu😽: $9,873.32 🥈 Nyx: $6,470.43 🥉 0xtincion + Joshuajee (Team Vigilia Aethereum): $3,509.17 Thank you to everyone that participated! Full leaderboard below.

🥈 Got 2nd place 🎉 I managed to find 2 Solo High issues. Congrats to everyone who participated. Thank you Cantina for the opportunity.