Smart Contract Security.

Findings, patterns, and deep dives from production audits across Solidity, Rust, Cairo, and Sway.

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Gamified Learning in Web3: Why Ranks, Leaderboards, and Lynx Actually Work
Smart Contract SecurityMay 18, 2026·11 min

Gamified Learning in Web3: Why Ranks, Leaderboards, and Lynx Actually Work

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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Base OP Stack Security Audit: 29 Checks EVM Equivalence Hides
Smart Contract SecurityApr 13, 2026·23 min

Base OP Stack Security Audit: 29 Checks EVM Equivalence Hides

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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Layer 2 security under the hood: proof systems, upgrade keys, and what actually protects your funds
Smart Contract SecurityApr 9, 2026·17 min

Layer 2 security under the hood: proof systems, upgrade keys, and what actually protects your funds

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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ERC-4337 Smart Accounts: Six Failure Modes We're Already Seeing in Audits
Smart Contract SecurityMar 12, 2026·14 min

ERC-4337 Smart Accounts: Six Failure Modes We're Already Seeing in Audits

ERC-4337 account abstraction introduces programmable trust boundaries that break assumptions baked into decades of wallet security thinking. Here's where teams get it wrong.

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From EVM to SVM: A senior security researcher's guide to Solana in 2026
Smart Contract SecurityFeb 20, 2026·11 min

From EVM to SVM: A senior security researcher's guide to Solana in 2026

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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GameFi Security Checklist: 55+ Critical P2E Exploit Checks
Smart Contract SecurityFeb 14, 2026·20 min

GameFi Security Checklist: 55+ Critical P2E Exploit Checks

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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Proxy Security Checklist: 33 Critical Upgradeability Checks
Smart Contract SecurityFeb 12, 2026·22 min

Proxy Security Checklist: 33 Critical Upgradeability Checks

Complete proxy and upgradeability security checklist with 33+ actionable checks. Learn how to prevent exploits in UUPS, Transparent, Beacon, and Diamond proxy patterns. Storage safety, initialization, and upgrade mechanisms covered.

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Solana Audit Guide 2026: Firedancer & Token-2022 Risks
Smart Contract SecurityFeb 7, 2026·9 min

Solana Audit Guide 2026: Firedancer & Token-2022 Risks

2026 Solana security guide: Firedancer skip-vote vulnerabilities, Token-2022 transfer hook risks, localized DoS vectors, and a complete audit checklist.

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UUPS vs Transparent vs Beacon: Proxy Security Guide 2026
Smart Contract SecurityJan 29, 2026·18 min

UUPS vs Transparent vs Beacon: Proxy Security Guide 2026

EVM proxy pattern security: UUPS, Transparent, Beacon, and Diamond (EIP-2535) compared. Storage collision exploits ($6M+), gas benchmarks, and audit checklist.

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Solana Security Guide: 45 Exploit Checks for Anchor & Native Programs
Smart Contract SecurityJan 28, 2026·15 min

Solana Security Guide: 45 Exploit Checks for Anchor & Native Programs

A long form Solana security guide covering 45 exploit checks across account validation, CPI safety, PDAs, Token-2022, and audit prep for Anchor and native programs.

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Bridge Security Checklist: 100+ Critical Exploit Checks
Smart Contract SecurityJan 26, 2026·20 min

Bridge Security Checklist: 100+ Critical Exploit Checks

100+ cross-chain bridge security checks. Prevent exploits like Ronin ($625M), Wormhole ($320M), and Nomad ($190M). For bridge builders, auditors, and DeFi teams.

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Move vs. Rust vs. Solidity: The Ultimate L1 Blockchain Security Comparison (2026)
Smart Contract SecurityJan 23, 2026·12 min

Move vs. Rust vs. Solidity: The Ultimate L1 Blockchain Security Comparison (2026)

Compare Move, Rust (Solana), and Solidity (EVM) architecture. Discover how L1 language choice impacts smart contract security, reentrancy risks, and audit requirements.

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