
Zero Cipher
@zerocipher002
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Blockchain Security Researcher. Open for Audits. Resident @cantina
Joined December 2014
I remember reading a earlier post on CT by a SR that a contest win isn't a win until there's a huge gap between the 1st and 2nd place. Results in: Solo sweep, I captured 100% of the H/M pot. Pretty sure a first in Cantina history. Taking 67,500 USDC out of the total 70,000 USDC.
The @asymmetryfin's USDaf v2 competition results are in. A modified Liquity-style CDP, new collateral types. Top-ranked researchers:. π₯ @Zerocipher002 swept the $67.500 main prize pool with the only high.π₯ @ziusz: $1,250.π₯ @jayjonah_eth: $750. Full leaderboard below.
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Update: Well I was not the one who broke. I found a critical bug on @immunefi #immunefitribe
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A few months ago. I got tired of manually calculating results in Cantina competitions before they actually ended. Competitions with complex results could take an hour to calculate. So I actually created a script to automatically do it for me. Here is the latest updated version
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I compiled the statistics of my web3 security journey over the pastβ― 10β―monthsβ$124,678 across five vulnerability classes. This includes both BBP and Audits. A single accounting error yielded the largest individual payout ($50β―k), but the headline for me is reentrancy: three
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I gave myself a challenge 1 month ago. Can I learn the Move Language and Aptos Framework from scratch and secure a Top 5 in this Move Competition all within a period of 15 days. Well I didn't disappoint myself. I secured the #2 Position with a payout of 26k USD. @cantinaxyz @aave.
The verdict is in: Final results from @Aaveβs $150,000 @Aptos deployment competition are in. Your top-ranked researchers:. π₯ @0x_0x37 : $34,293.09.π₯ @zerocipher002: $26,293.09.π₯ 0xBeastBoy & @thepantherplus (Team Zero): $24,293.09.π
@azhasj_: $24,117.84
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Dedicating the entirety of the month of July to Web3 BBP. Either I'll break or the contracts would.
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Glad to secure the first place in Silo Finance Formal Verification contest. It was a great experience to both learn Formal Verification from scratch and secure the #1 spot in the period of 25 days. Hope to work on formal verification stuff in the future. @CertoraInc @cantinaxyz.
The final report for the @SiloFinance v2 formal verification contest is now public!. Thank you to all participants and congratulations to the top 5 ππ. @Zerocipher002.@0xArion.@benrai_.@__alexxander_.@alexzoid_eth . The community verified hundreds of properties of Silo v2.
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This was a tough competition. In the end, I discovered 1 out of the only 2 medium vulnerabilities discovered in the contest and got #7/818.I learned a lot in this competition about the Liquity ecosystem. This was a really valuable contest to do. @cantinaxyz @LiquityProtocol
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Writeup coming soon π.
Bug Bounty Hunter of the Month: @Zerocipher002. A Cantina Fellowship resident has earned $50,000 from @MarginalDEXβs Cantina bounty. This permissionless perp and spot exchange is built on Uniswap v3 oracles. More details below.
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For cantina, I created a script that fetches the current state of findings of a comp using API and automatically generates the leaderboard based on the prize pot provided. This is particularly useful when the leaderboard is not released. @cantinaxyz.
pastebin.com
Pastebin.com is the number one paste tool since 2002. Pastebin is a website where you can store text online for a set period of time.
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"Reentrancy doesn't happen in protocols anymore". Apparently I didn't get the memo. Got ranked 7/410 in @cantinaxyz Silo Finance competition with a solo medium reentrancy. Here is what reentrancy can help you achieve:
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I encourage all SR to participate in the contest regardless of your skill level. Don't doubt your own capabilities. I have seen SRs scoring top 5 positions in their very first contest. #cantinaeigenlayer.
The @eigenlayer $2,500,000 competition is now open πͺ. The biggest security competition yet, all in the pursuit of the highest possible security standards. Are you ready?. π° $2,500,000 USDC.π Live now - March 28th.π Below
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Spent the past month learning about Formal Verification and Certora Prover for a cantina contest. It may or not may prove to be fruitful in the short term in the contest. But I am definitely glad I learnt a new skill. We SRs always need to keep upgrading ourselves.
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