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Zealynx
@ZealynxSecurity
Blockchain & AI Security firm | Web3 & AI education | Book a Smart Contract Audit (Solidity, Rust, TypeScript)
255 Following    1.4K Followers
When we applied to the Ethereum Security QF round on @Giveth, we made a simple promise: take whatever the community gives and turn it into more free security education, for more people. The round closed on May 15, the largest quadratic-funding matching pool ever run. Zealynx Academy came away with $3,027 in community donations, matched into 5.052 ETH more by @TheDAOfund's 500 ETH security pool, with @wintermute_t among the biggest backers. Here's what that support has built since. Zealynx Academy is free, and it stays free, no paywall, no premium tier. You don't watch videos or read slides. You rebuild real protocols line by line, guided by starter code and automated tests, until your code matches the original. Then you shadow-audit a real past contest of a fork of the thing you just built. Since the round closed on May 15, all of this shipped, all free: • 2 new build-from-scratch modules — Liquity V1 and Uniswap V3 • 11 new Shadow Arena audits of real protocol forks, with real contest bugs to hunt • 2 full "First 90 Days" courses — one for Web3, one for DeFi • A community Feed for everyone joining The platform now runs 5 build modules and 21 shadow audits, and every dollar you gave went to people and content, never overhead. What's next, funded by this round: more security modules built around real Ethereum exploits, lending, bridges, oracles, vaults, and AI/MCP security. Ethereum's security depends on a growing pipeline of builders who actually understand what they ship. Thank you to everyone who donated.
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Thanks @ZealynxSecurity for awarding Yieldcoin v2 a 50% discounted audit grant. I am looking for a launch partner to help with funding. Open to any structure. v1 won grand prize in @chainlink hackathon. At a certain TVL, the operator just sits back and collects fees.
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The most manipulable number in DeFi is a spot price. One flash loan moves it wherever an attacker wants for a block, and protocols that trusted it have lost hundreds of millions. This clip is 60 seconds from this morning inside Zealynx Insiders, a membership where we build the big protocols from scratch, live, together. Timed code challenges, a leaderboard, and the why behind every line. Right now we are midway through Uniswap V2, and in the clip we are building the TWAP oracle, its answer to price manipulation. I launched the membership 10 days ago. We are already 20 members. The founding rate, $20 a month locked for life, closes tomorrow. After that, it is $50.
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Just went through @ZealynxSecurity "First 90 Days in Web3 " and it was truly a great read . A good starting point for beginners in web3 because it layouts the mind-map for what each sector in web3 is about , what problem they are trying to solve and some good security measures as a beginner in this space to know about.
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I had joined community of @ZealynxSecurity . And we had our first session recently with @TheBlockChainer he told one point - when you learn something don't just keep it in notes - write articles or try to teach ( I don't remember exact words 😅) Tried, it really helped me to understand the concept more clearly Building and sharing learning public is real learning Thanks 🙏
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Building UniswapV2 from scratch at @ZealynxSecurity is awesome . I am making it a commitment to hit 1 modules daily before any other task to really understand and absorb every context. Join me in this gamified journey and feel the experience yourself.
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A full-time security learner told me yesterday: "I know exactly what the vulnerability means. I still can't find it in real code." Theory complete. Results zero. Sound familiar? He's not behind, he's at the exact wall everyone hits: courses teach you what bugs mean, nobody teaches you to find them in code you've never seen. And that wall doesn't fall alone, because alone you repeat your blind spots with confidence. So what's in it for you inside Zealynx Insiders? You benefit by learning WITH a working audit firm and people building real things, live sessions built around your actual blockers, not a fixed curriculum. You benefit by keeping everything: every session becomes a written playbook + full recording two hours after it ends. (Screenshot: this morning's.) You benefit by moving faster toward whatever you're becoming: a researcher landing first paid work, a builder shipping code that survives an audit, a founder who sees the risks before they cost you. That learner told me this inside the room. Now the whole room is working on it. That's the difference.
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Zealynx Audit Grants, Season 1. Applications are closed. The numbers: • 8 protocols applied • 2 languages: Solidity and Rust • 6 chains: Ethereum, Base, Polygon, Solana, Arbitrum, Optimism • 4 continents What's in the pool: BTC-backed lending, cross-chain yield, escrow rails for West Africa, stablecoin remittances, RWA lending, prize savings vaults. What happens now: Every application goes through validity checks, then scoring. 100 points: product engagement, independent builder status, protocol merit. Same rubric for everyone, published since day one. Winners announced July 13. 1 full audit. 2 half audits. $100k+ pool.
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Everyone talks about using AI to audit smart contracts. Almost nobody shows you how to build the tool. The AI Auditor Builder track is 12 steps to ship your own auditing agent. Pattern detection, tool integration, prompt engineering, the works. By the end you have a working tool, not a ChatGPT prompt.
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Very excited to have among our first 6 members of Zealynx Insiders Membership people with different backgrounds from around the world, different experience, but with the same goal, Belong to the Zealynx Insiders family and grow together towards our goals. I’m super convinced that by the time we grow to 500+ members, these founding members will be leading the crowd and reaching their goals! Founding seats are limited. Pay 60% less now. $20/month
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Built Compound V2 from scratch on Zealynx Academy by @ZealynxSecurity . Best way to learn how to break protocols is to build them first 😅
I’ve announced Zealynx Insiders Membership 10 hours ago There are already 11 people who’ve reserved their seat. One of them has already purchased the Annual plan. Remember that the seats are limited for this opening price. I would not wait too much.
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Final stretch. Zealynx Audit Grants Season 1 closes July 6. If your draft is half-finished, 30 minutes gets it over the line. An imperfect submitted application beats a perfect draft, every time. $100k+ pool.
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I'd like to introduce Zealynx Insiders Membership. The web3 market is brutal right now. Teams are shrinking, strong engineers are stuck in limbo, and founders are shipping with less support than ever, leading to insecure protocols. When the market contracts, the people who come out ahead are the ones who keep learning and stay connected instead of grinding alone. That is the entire reason we built this. ------------------------------------- What it is Zealynx Insiders is a membership for people building and securing web3. Not a course you finish, and not another Discord or Telegram group where the good stuff scrolls away by morning. It is a place to belong for the long run, a room where developers, founders, and auditors keep getting better, together, month after month. You do not graduate from it. It gets more valuable the longer you stay. It is built by Zealynx Security, a web3 security firm trusted by 30+ protocols across 42 audits. The room is run by people doing the work right now, not influencers or course sellers. ------------------------------------- Why a membership, and why it is paid Most security learning is lonely. You study alone, the good answers disappear the day they are posted, and you never really know if you are getting better. A membership fixes that. It holds your progress, your people, and your work in one place, and it gives you a reason to show up every week. And the fact that it is paid is a feature, not a barrier. A price filters for people who are serious. No lurkers, no tourists, just members who show up, contribute, and want to make the most of it. That commitment is the one thing a free channel can never manufacture. ------------------------------------- Who it is for One room, with a door for each kind of member. • Builders and devs. Ship secure code and be the engineer your team cannot afford to cut. Build your own AI auditor agent, get the latest tools and prompts, secure-pattern playbooks, and Krait on your code. • Founders and small teams. Get audit-ready and cut your rekt-risk without hiring a security team. A founder networking channel, deeper eMBA business topics, 1:1 advisory with a working auditor, Krait runs on your contracts, and a founding discount on a full Zealynx audit. • Auditors. Stay sharp between engagements, build a public track record, and plug into a network that trades leads and vouches for each other. • New to security. Start with a room instead of alone. A clear path, real accountability, and people a step ahead who remember what it was like. ------------------------------------- What is inside • Zealynx Live. Weekly hosted sessions where the whole room works through real content together, with timed questions and a live scoreboard. Taking part advances your real progress. It is not a passive webinar. • 1:1 advisory with a working auditor. Direct guidance on your code and your decisions, not a comment lost in a feed. • Krait on your code. Hands-on security support with our own AI auditor, and help folding AI auditing into your workflow. • A real platform. Organized spaces, courses, a member directory, messaging, a mobile app, search, and a weekly digest, under one branded Zealynx home. • Support across the whole Zealynx stack. The Academy, Audit Grants, and Krait. ------------------------------------- The founding offer Founding members lock $20 per month for life, for as long as they keep their membership. The founding rate ends July 16, after that it moves to $50 per month. Founding seats are limited. Joining the waitlist is free, and there is no charge until we open. The waitlist gets the invite first. This is where people building and securing web3 keep growing together through the bear market. ------------------------------------- Come grow with us. Reserve your seat:
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5 days left in Season 1. A complete grant application: → frozen commit + line count → repo access (NDA + read invite if private) → clear scope → your "why we can't ship without this" → scoring tasks done 30 focused minutes.
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I’m considering starting a small Live meetup series in Wrocław for Web3 founders, builders, and security-minded people. I’m curious if there’s anyone reading this in the area that would be up for that when I start hosting these. I’m going to create anyways Luma and Meetup events and see what’s the response. I believe there are plenty of topics to discuss in Poland and EU about Blockchain and Web3 in general.
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Most builders don't fail because they can't code. They fail because they ship a token without understanding emissions, or design governance with no exit, or burn 6 months on an incentive loop that didn't have to exist. eMBA for Web3 Founders. The business side. Free.
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Epoch 141 to 147☘️ 1/ Spent 7 days auditing Velodrome on @ZealynxSecurity Shadow Arena. Coming from a UniV2 background, I knew going in that the stable-swap curve math would be the real learning curve here, not the protocol logic itself.
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The Shadow Arena is defensive security training for builders. You audit forks of real protocols, against the actual findings real auditors discovered. Not a path to becoming an auditor. A path to writing safer protocols, because you've seen how the ones you'd fork actually break. 14 audits live, Easy through Boss Fight.
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