Public write-ups on the bugs, patterns, and protocols we audit. Engineer-to-engineer, no fluff.
Gamification in learning often feels hollow. Here's why Zealynx Academy's rank and leaderboard system is different — and why it produces verifiable reputation, not points for points' sake.
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Inside the April 2026 Anthropic MCP SDK design flaw: STDIO transport allows config-to-command-execution across Python, TypeScript, Java, Rust SDKs — by design.
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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.
ReadGamification in learning often feels hollow. Here's why Zealynx Academy's rank and leaderboard system is different — and why it produces verifiable reputation, not points for points' sake.
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29-point Base L2 audit checklist: block timing exploits, address aliasing, dual gas fees, bridge vulnerabilities, sequencer threats, and fault proof risks.
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Compare Arbitrum, Optimism, and Polygon zkEVM security models. Fraud proofs, ZK validity proofs, upgrade multisigs, and sequencer risks — a data-driven L2 guide.
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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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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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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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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%.
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Audits attest to a commit hash, not protocol safety. Learn how monitoring, invariants, runbooks, and OpSec close the gap — with Euler, Nomad, Ronin, and Radiant case studies.
ReadInside the April 2026 Anthropic MCP SDK design flaw: STDIO transport allows config-to-command-execution across Python, TypeScript, Java, Rust SDKs — by design.
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OWASP ASI04 (Agentic Supply Chain Vulnerabilities) explained: MCP Impersonation, malicious tools, trojanised connectors. Real CVEs, attack patterns, mitigations.
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Complete MCP vulnerability index: 16 disclosed breaches and 14+ CVEs since April 2025 across Anthropic, Cursor, Postmark — with OWASP ASI04 patterns. Updated weekly.
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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.
ReadTheDAO 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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Krait is the Zealynx pre-audit readiness engine. Catch the 12 finding categories that inflate smart contract audit quotes by 30% — locally, free, before booking.
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Shadow audits replay past public security contests on real protocol forks. Learn Web3 security the way top auditors did: reviewing graded contests, fast.
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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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Don’t fork Uniswap V2 blind. ERC20 pool architecture, TWAP oracle manipulation risks, flash swap exploits, and 7 security pitfalls that cost forks millions.
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What is Hyperliquid exchange, how does HyperEVM fit in, and what can developers build on top? Learn the Hyperliquid API, Python and TypeScript SDKs, builder codes, and real project ideas.
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Explore the cognitive foundations of AI security in part 1 of our LLM Security Deep Dive. Learn how cognitive psychology uncovers vulnerabilities in large language models and modern AI systems, empowering you to understand and secure advanced neural networks.
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How Uniswap V1 invented the AMM: x*y=k invariant, ETH-only pools, and the price manipulation gaps that V2 had to fix. Security-first code analysis.
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Deep dive into Balancer V1–V3: vault architecture, weighted pools, flash loan risks, and the critical security vulnerabilities DeFi auditors look for — Zealynx Security.
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What Curve Finance is, how StableSwap, CryptoSwap, crvUSD, and LLAMMA work, where integrations fail, and which security risks DeFi teams should review before building on Curve.
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