Jonatascm 🪐
@jonataspvt
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SR at @cantinaxyz Breaking things and POCing https://t.co/ztO6GFxOZ4
Remote, Brazil
Joined July 2010
Don't force yourself to understand/studying you don't need them. When auditing a protocol integrating with UniV3, you don't need to fully understand the entire UniV3 protocol. You can see Auditors ask about some things that are not really in the scope of the Codebase they are
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We're excited to initiate @Zippel_Labs audits, a cryptography security led by I. ZKP's security is extremely important to build secure pillars of Privacy. *Currently most zkVMs are not fully audited, & for them offering subsidized audits.
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This video is insane, very hyped for the next
Ultimate Security Games was one of the most exciting developer and auditor-focused events in 2025. The games will return even bigger in 2026.
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One interesting thing here is seeing how much has changed in 5 years. 5+ yr old iEarn code on left, OZ ERC4626 on the right. Do you see the difference in share calculation?
We're aware of an issue with iEarn's immutable TUSD contract, deployed over 2100 days ago, unrelated to Yearn vaults. The problem is exclusive to iEarn and does not impact current Yearn contracts or vaults. The incident is similar to this 2023 iEarn USDT hack.
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Cantina's Managed Detection and Response exists for one reason: turning a validated signal into containment before value leaves the system. In Web3, the hardest step is not executing a pause. It is authorizing it quickly, with evidence. Details below.
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This was legendary, it was a real pleasure participating in team america! 🔥
Ultimate Security Games - Season 1 gallery is out! Congrats again to team Europe @Zigtur @Montyly @GalloDaSballo and @AliceAndB0b! Shoutout to the legends who brought the heat: Team Americas — @0xleastwood @_Allarious @0xriptide @jonataspvt Team Asia — @HickupH @banditx0x
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We’ve been working behind-the-scenes on something groundbreaking. If you want early access to the only Web3 AI security tool that truly focuses on signal over noise, you can now join the waitlist.
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a couple days ago I ran a survey to understand how is AI used by smart contract auditors. here are the results 👇🧵
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Ultimate Security Games will begin live streaming 5:15 pm EST today (November 20th). You can watch the stream on the dedicated channel in the reply.
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Tomorrow, you will have the chance to learn security from the best mentors in this space @Mudit__Gupta , @0xRajeev , @tinchoabbate , @Montyly , @RareSkills_io , @PabloSabbatella, @alexzoid_eth not miss
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Let's go 🔥
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New in Cantina MDR: Spin up a live war room the moment an incident hits. What happens if your team takes five minutes to respond, and the exploit only needs one? That’s exactly what we solve. Instant coordination & zero friction.
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Excited to share that I’ve joined @spearbit as a Full-time Security Researcher! My journey in smart contract security began here, so this step truly feels like coming full circle. Can’t wait to see what the future brings! 🔥
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Looking forward to meet everyone IRL and have some fun!
Mark your calendars, November 20th is Season 1 of Ultimate Security Games, live in Argentina. Watch smart contracts get hacked in real time as three teams race to be first to steal the funds. We're grateful to the sponsors who made this happen: @monad
@coinbase
@immunefi
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Check this out for more zk content 🔥
ZK Security Part1 - Zero to One ZK security can be grouped into four layers: 1. Application 2. Circuit 3. Backend 4. Frontend Motivation - One mistake and you/protocols are rekt or even died forever! Security is a major part of a product and even growth decider of the
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This going to be fun 👀👀👀
On the evening of November 20th, RareSkills will launch... Ultimate Security Games Live in Argentina. Smart contract hacking + esports = Ultimate Security Games The hackers will share their screens live, so you'll see their thought process and strategy as they break the
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We’re hiring 🪐 Cantina is looking for Security Researchers to join our network and work on deeply technical smart contract and protocol audits. The ideal candidate is: •Experienced in Solidity and EVM vulnerabilities •Curious, rigorous, and collaborative Link below:
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