Public write-ups on the bugs, patterns, and protocols we audit. Engineer-to-engineer, no fluff.
OWASP ASI07 (Insecure Inter-Agent Communication) explained: how agents trust each other too much, relay malicious instructions, and amplify prompt injection.
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OWASP ASI09 (Human-Agent Trust Exploitation) explained: how AI agents exploit anthropomorphism, authority bias, and confirmation fatigue to drive harmful approvals.
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OWASP ASI06 (Memory and Context Poisoning) explained: RAG corruption, vector store attacks, persistent context bias. How to defend AI agent memory layers.
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A builder focused Hyperliquid security checklist covering HyperBFT assumptions, HyperCore integrations, HyperEVM deployment risks, and pre audit launch gates before mainnet.
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A builder focused Hyperliquid security checklist covering HyperBFT, HyperCore, HyperEVM, order flow, liquidation, oracle, bridge, and pre audit risks before launch.
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EIP-7702 lets EOAs become smart contracts with one signature. Here are the 4 attack surfaces — phishing, delegate bugs, replay, ERC-4337 — auditors now check.
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Rebuild Compound V2 from scratch — cTokens, Comptroller, InterestRateModel, and liquidation logic. The second-most-forked DeFi protocol, understood end to end.
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The four Uniswap v4 hook attack patterns that cover every public exploit: reentrancy, flag bypass, donation griefing, accounting drift — with minimal PoCs.
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Yearn V2 and V3 vault architecture, exploit case studies (yDAI, yUSDT, Cream), and defense patterns every DeFi auditor and integrator must know.
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A senior auditor walks through what actually happens during a smart contract audit, week by week. Pre-audit prep, manual review, findings, fix verification, and final deliverables.
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The 2026 security timeline for Web3 protocols: when to audit at design, dev, pre-launch, and post-launch — plus real lead times, audit costs, and launch buffer rules.
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Smart contract audit scoping guide. Seven deliverables auditors need, nSLOC pricing benchmarks, and the Rekt Test — cut your quote 15–30%.
ReadOWASP ASI07 (Insecure Inter-Agent Communication) explained: how agents trust each other too much, relay malicious instructions, and amplify prompt injection.
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OWASP ASI01 (Agent Goal Hijack) explained: how prompt injection redirects AI agent objectives. Direct, indirect, and tool-mediated patterns with mitigations.
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AI agents now autonomously control DeFi treasuries, execute trades, and trigger liquidations. The cross-layer attack surface that contract audits cannot see.
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How flash loans amplify oracle, donation, and reentrancy bugs into $200M+ DeFi exploits — Cetus, Penpie, KyberSwap, UwU Lend case studies plus defenses that hold.
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How attackers exploit DAO governance with flash loans, EVM opcode injection, and quorum exhaustion — plus audit strategies and defense architectures.
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How attackers exploit oracle price feeds in DeFi using flash loans, AMM imbalances, and governance subversion — with defense patterns for protocol architects.
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Most Web3 founders are technical and ship great code, then watch the protocol die to non-code problems. Tokenomics, fundraising, governance, regulatory, GTM — this is what kills teams.
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The 2026 OWASP Smart Contract Top 10 elevated business logic to #2 and added proxy & upgradeability at #10. Here's what changed and how to audit.
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Your complete guide to EthCC 2026 in Cannes. Key dates, side events, networking tips, and how Web3 builders can make the most of the conference.
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Zealynx Academy uses no videos, no slides, no passive content. Every section is interactive. Here's the pedagogical argument for why that works better for Web3 builders — and the specific design patterns behind it.
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Most Web3 education is video-heavy. Research shows active construction of knowledge produces meaningful skill faster than passive consumption. Here's why build-first platforms matter.
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TheDAO Security Fund awarded the ETHSecurity Badge to Ethereum security contributors. Holders get 4x matching impact in the Ethereum Security QF round, open through May 14, 2026.
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DNS hijacks, supply chain attacks, and UI social engineering bypass smart contract security entirely. Learn how attackers exploit web apps to drain DeFi protocols and how to stop them.
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MiCA enforcement is live and NCAs are issuing licenses now. If your codebase isn't audit-ready, your CASP application isn't ready either. Here's exactly what you need to fix before you request a quote.
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Real pricing from an auditor who sets the quotes. Auditor-day math, what moves your price up or down, and what you actually pay for in a security review.
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Compare ERC-3643 and ERC-1400 for RWA compliance. See identity checks, partition tradeoffs, ACT risk, forced transfers, and when each token standard fits.
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A practical compliance roadmap for DeFi protocols navigating Europe's new regulatory landscape. Learn how MiCA affects decentralized protocols and implement a 6-month compliance strategy.
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A technical guide for senior EVM security researchers transitioning to Solana's SVM. Covers Rust, Borsh, PDAs, Anchor, and the 2026 Solana security landscape.
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Step-by-step guide to building your first Uniswap V4 hook. Learn the essential libraries, contract structure, hook permissions, and critical security considerations for DeFi developers.
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Uniswap V2 code walkthrough: Router, Factory, and Pair contracts dissected. Understand the price oracle, flash swaps, and the reentrancy risks auditors flag — Zealynx.
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Transform static security checklists into a defense-in-depth engineering workflow using threat modeling, Slither, and Foundry invariant testing.
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DeFi's biggest hacks didn't start in Solidity. DNS hijacking, UI injection, and cloud misconfigurations have drained billions. Learn how Web2 infrastructure failures become on-chain exploits and what your team can do to prevent them.
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AI systems are now business-critical infrastructure making decisions, triggering actions, and interacting with sensitive data at scale. Traditional security testing approaches are failing to address this expanded attack surface. Learn why AI red teaming has become essential.
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Complete GameFi and Play-to-Earn security checklist with 55+ actionable checks. Learn how to prevent exploits in NFT games, tokenomics, marketplace attacks, and game logic vulnerabilities. Essential guide for GameFi builders, auditors, and gaming protocols.
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