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kaden.eth

@0xKaden

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evm security eng/research, LSR @spearbit / @cantinaxyz

Joined November 2019
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@0xKaden
kaden.eth
1 year
How ✨I found a critical vulnerability✨ in @zora's ERC20Z contract via a little known Uniswap v3/v4 property When Zora put out this article: https://t.co/jOYLVP0kfd outlining their new protocol, I was intrigued and had to learn more From a high level, the system works by
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@0xKaden
kaden.eth
4 hours
the more i dig in, the more impressed i am by this exploit writeup soon
@0xKaden
kaden.eth
1 day
have been reading up on the recent @yearnfi yETH exploit. this is one of the most complicated exploits i've ever seen might writeup a simplified yet thorough breakdown. any interest?
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@BelAves
AD Tippet
2 days
This episode provides a clear outline of conservatism against that of the left, and other right wing ideologies.  It also illustrates a way forward for our nation. Listening to "The Mirror, the Window and the Anchor: A Conservative Stand" at
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@0xKaden
kaden.eth
1 day
yETH totalSupply and reported market cap after the attacker drained the pool and triggered an underflow to mint an astronomical amount of LP tokens 703 septendecillion, 437 sexdecillion, 853 quindecillion, 798 quattuordecillion, 36 tredecillion dollars
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@0xKaden
kaden.eth
1 day
have been reading up on the recent @yearnfi yETH exploit. this is one of the most complicated exploits i've ever seen might writeup a simplified yet thorough breakdown. any interest?
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@0xKaden
kaden.eth
2 days
something to consider here: the agents found 55.88% of vulnerabilities, but only $4.6m worth of exploited revenue. meanwhile there was >$800m of funds exploited in this timeframe so really they only managed to exploit ~0.6% of the total funds seems like agents are currently
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@0xKaden
kaden.eth
2 days
"In just one year, AI agents have gone from exploiting 2% of vulnerabilities in the post-March 2025 portion of our benchmark to 55.88%—a leap from $5,000 to $4.6 million in total exploit revenue. More than half of the blockchain exploits carried out in 2025—presumably by skilled
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@0xKaden
kaden.eth
2 days
anthropic researching ai smart contract security 👀
@AnthropicAI
Anthropic
2 days
New on our Frontier Red Team blog: We tested whether AIs can exploit blockchain smart contracts. In simulated testing, AI agents found $4.6M in exploits. The research (with @MATSprogram and the Anthropic Fellows program) also developed a new benchmark:
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@0xKaden
kaden.eth
6 days
might have to increase my weekly rate over the winter to account for the opportunity cost of not snowboarding
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@0xKaden
kaden.eth
7 days
most of the time when i review assembly, it ironically seems to generally have much less bugs than high level solidity not sure if this is just because devs that can write assembly write less bugs, or because assembly is more predictable
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@0xKaden
kaden.eth
13 days
core solidity is gonna be so fun to audit
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@0xKaden
kaden.eth
14 days
getting security reviews during the early stages of building is extremely underrated nothing worse than working for months before going to audit, just to be told that a redesign is in your best interest
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@0xKaden
kaden.eth
21 days
looks like I'll be working on an amm/math ctf 🫡
@0xKaden
kaden.eth
22 days
what would u most like to see for my next ctf?
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@0xKaden
kaden.eth
22 days
what would u most like to see for my next ctf?
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@0xKaden
kaden.eth
24 days
if the market degrades and i stop being consistently booked i will simply continue to accumulate skills and learn as much as possible
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@0xKaden
kaden.eth
25 days
solution:
@0xKaden
kaden.eth
25 days
Onchain CTF Solution Writeup Let's break down the CTF and see how the solution was there all along Shoutout to @yum1n__ for solving first and taking home 0.1 ETH! The contract (source linked below) was a minimal proxy with two execution branches: SET_IMPLEMENTATION and
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@0xKaden
kaden.eth
25 days
✨follow for more CTFs✨ i'm already getting started on the next one
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@0xKaden
kaden.eth
25 days
here's the solution to the puzzle i posted a couple hours before the ctf, in case you've been wondering https://t.co/J6qpQWfEIU
@0xKaden
kaden.eth
26 days
the solution to this was that each color corresponds to a 3 byte rgb hex value, e.g. the first color is #604980 -> 0x604980 if you retrieved the rgb hex value of each color, and lined them up in order, you'd get the contract bytecode
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@0xKaden
kaden.eth
25 days
this was inspired by this old post by @sw0nt. when I first saw this three years ago, I knew I had to build something with it https://t.co/f0jEtfDe1L
@sw0nt
Saw-mon & Natalie
3 years
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@0xKaden
kaden.eth
25 days
Onchain CTF Solution Writeup Let's break down the CTF and see how the solution was there all along Shoutout to @yum1n__ for solving first and taking home 0.1 ETH! The contract (source linked below) was a minimal proxy with two execution branches: SET_IMPLEMENTATION and
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@0xKaden
kaden.eth
26 days
the solution to this was that each color corresponds to a 3 byte rgb hex value, e.g. the first color is #604980 -> 0x604980 if you retrieved the rgb hex value of each color, and lined them up in order, you'd get the contract bytecode
@0xKaden
kaden.eth
26 days
solve this puzzle for a head start on the ctf verify (SHA256): f9d2b5e095c6b0ae062e355845bb2e9593ae98b707efbdf10a943b1dc4d0dad4
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