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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ERC-1400 security token standard explained: Implement compliant RWA tokenization with partitions, transfer restrictions, and KYC hooks. Complete developer guide for regulated blockchain securities.
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Learn how ERC-7540 extends ERC-4626 to enable asynchronous settlement for Real-World Assets (RWA) vaults. Explore the request/claim pattern, implementation details, and security considerations for tokenizing T+2 settlement assets on Ethereum.
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Discover how smart contract audits impact valuation during technical due diligence. Learn what investors look for in audit reports, which security firms matter, and red flags that kill funding rounds for Web3 startups.
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Smart contract audits cut gas costs, attract investors, and set legal standard of care. Zealynx breaks down the measurable ROI — beyond just avoiding a hack.
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How smart contract security drives sticky TVL in DeFi. Learn the Trust Architecture model, reentrancy patterns, and why audited protocols retain more liquidity — Zealynx.
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Discover how CrossFi bridges traditional finance and DeFi with crypto Visa cards, enabling secure everyday payments while maintaining decentralization and user control over digital assets.
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Discover why ERC-20's permissionless nature is a liability for Real World Assets (RWA) and how ERC-3643 enables institutional compliance on public blockchains.
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Cut smart contract audit costs by 30% with proper preparation. Complete pre-audit checklist for DeFi protocols: testing, documentation, and security tools.
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Master Real World Asset tokenization: implement ERC-3643 compliance, ERC-7540 async vaults, and secure SPV architecture. Technical guide for developers building RWA protocols.
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Learn how elite auditors break down complex DeFi protocols to find critical vulnerabilities. Step-by-step guide using Uniswap V2 as a real-world case study.
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Uniswap V3 explained for developers. Learn concentrated liquidity, tick math, JIT liquidity, oracle manipulation, and the security checklist for safe integrations and forks.
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Discover how linear algebra, calculus, probability theory, and statistics create security vulnerabilities in AI systems. Learn the mathematical foundations hackers exploit to jailbreak LLMs and compromise AI models.
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