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Zealynx research

Security Research.

Public write-ups on the bugs, patterns, and protocols we audit. Engineer-to-engineer, no fluff.

48 results for "Smart Contract"

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What Happens During a Smart Contract Audit: Week-by-Week Process
Audit opsMay 25

What Happens During a Smart Contract Audit: Week-by-Week Process

18 min read
Smart Contract Upgradeability: UUPS vs Transparent vs Beacon
Smart contractsJan 29

Smart Contract Upgradeability: UUPS vs Transparent vs Beacon

19 min read
Can’t Afford a Smart Contract Audit? 7 Options | Zealynx
Audit opsJul 2026 · Updated Oct 2026

Can’t Afford a Smart Contract Audit? 7 Options | Zealynx

9 min read
OWASP Smart Contract Top 10 2026: changes and audit guide
IndustryMay 4

OWASP Smart Contract Top 10 2026: changes and audit guide

29 min read
How to Scope a Smart Contract Audit: What Auditors Need
Audit opsApr 23

How to Scope a Smart Contract Audit: What Auditors Need

23 min read
The Weakest Link in DeFi Isn't the Smart Contract — It's the Web App
AI securityFeb 28

The Weakest Link in DeFi Isn't the Smart Contract — It's the Web App

15 min read
Solidity Smart Contract Audit 2026: Pricing, AI & Readiness Manifesto
Audit opsFeb 4

Solidity Smart Contract Audit 2026: Pricing, AI & Readiness Manifesto

9 min read
Smart Contract Audit Cost in 2026, Exact Pricing for Tokens, DeFi, and Bridges
Audit opsJan 2026 · Updated May 2026

Smart Contract Audit Cost in 2026, Exact Pricing for Tokens, DeFi, and Bridges

11 min read
Who is Zealynx? Why DeFi teams choose our top-tier smart contract audits
NewsSep 2025 · Updated Apr 2026

Who is Zealynx? Why DeFi teams choose our top-tier smart contract audits

7 min read
The Web2 blind spot: Why audited smart contracts get hacked
AI securityMay 22

The Web2 blind spot: Why audited smart contracts get hacked

27 min read
Smart Contract Audit ROI: Investor Due Diligence Guide
Audit opsDec 30, 2025

Smart Contract Audit ROI: Investor Due Diligence Guide

9 min read
Pre-Audit Checklist: Save 30% on Your Smart Contract Audit
Audit opsDec 16, 2025

Pre-Audit Checklist: Save 30% on Your Smart Contract Audit

7 min read
When to audit a smart contract: The 2026 security timeline
Audit opsApr 27

When to audit a smart contract: The 2026 security timeline

26 min read
Real-Life Denial of Service Attacks on Smart Contracts
Attack vectorsApr 26, 2023

Real-Life Denial of Service Attacks on Smart Contracts

10 min read
When LLMs Sign Transactions: AI-Driven Smart Contract Threat Model
AI securityJul 10

When LLMs Sign Transactions: AI-Driven Smart Contract Threat Model

15 min read
Smart Contract Audit Readiness for MiCA: What Your Codebase Needs Before You Apply
IndustryFeb 27

Smart Contract Audit Readiness for MiCA: What Your Codebase Needs Before You Apply

10 min read
Why a Smart Contract Audit Firm Built a Free Beginner Web3 Course
NewsJul 1

Why a Smart Contract Audit Firm Built a Free Beginner Web3 Course

16 min read
How to Prevent Front-Running in ERC20 Smart Contracts
Attack vectorsMay 21, 2024

How to Prevent Front-Running in ERC20 Smart Contracts

11 min read
Liquity Protocol — DeFi Protocol Explained from Its Smart Contracts (Part 1)
DeFi analysisApr 2023 · Updated Dec 2023

Liquity Protocol — DeFi Protocol Explained from Its Smart Contracts (Part 1)

Liquity Protocol · Part 1 of 2
How Smart Contract Audits Boost Gas Savings and Market Cap: Real ROI Insights
Audit opsDec 26, 2025

How Smart Contract Audits Boost Gas Savings and Market Cap: Real ROI Insights

7 min read
Beyond Static Checklists: A Defense‑in‑Depth Workflow for Smarter Smart Contract Audits
Audit opsFeb 17

Beyond Static Checklists: A Defense‑in‑Depth Workflow for Smarter Smart Contract Audits

8 min read
Why Fuzz Testing Catches Bugs That Unit Tests Miss: Foundry Invariant Testing for DeFi
Smart contractsApr 17, 2024

Why Fuzz Testing Catches Bugs That Unit Tests Miss: Foundry Invariant Testing for DeFi

11 min read
Aave V3 Pool.sol Deep Dive: Supply, Borrow & Withdraw Logic Every Auditor Must Know
DeFi analysisApr 18, 2023

Aave V3 Pool.sol Deep Dive: Supply, Borrow & Withdraw Logic Every Auditor Must Know

8 min read
Solidity Gas Optimization: Understanding How EVM Works Can Save You Gas
Smart contractsMar 1, 2023

Solidity Gas Optimization: Understanding How EVM Works Can Save You Gas

5 min read
MiCA Regulation & Security: What Every Crypto Founder Needs to Know
IndustryFeb 5

MiCA Regulation & Security: What Every Crypto Founder Needs to Know

12 min read
DeFi Audit Process 2026: Secure Code with AI Tools
Audit opsSep 15, 2025

DeFi Audit Process 2026: Secure Code with AI Tools

8 min read
ERC-4337 Smart Accounts: Six Failure Modes We're Already Seeing in Audits
Smart contractsMar 12

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

14 min read
Auditing a Live Protocol: Lessons from the Juicebox Buyback Delegate Security Review
DeFi analysisMay 2023 · Updated Dec 2023

Auditing a Live Protocol: Lessons from the Juicebox Buyback Delegate Security Review

7 min read
When Every Check Passes but a Protocol Is Underbacked
ResearchSep 1

When Every Check Passes but a Protocol Is Underbacked

20 min read
EIP-7702 wallet security: what auditors check after Pectra
Smart contractsMay 18

EIP-7702 wallet security: what auditors check after Pectra

27 min read
Pre-audit readiness engine: how Krait catches 12 findings that cost teams 30% more
NewsMay 12

Pre-audit readiness engine: how Krait catches 12 findings that cost teams 30% more

16 min read
Tokenizing Intellectual Property on EVM: Solidity Patterns for Programmable IP Rights
DeFi analysisFeb 13

Tokenizing Intellectual Property on EVM: Solidity Patterns for Programmable IP Rights

9 min read
Move vs. Rust vs. Solidity: The Ultimate L1 Blockchain Security Comparison (2026)
Smart contractsJan 23

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

12 min read
Fuzzing + Formal Verification: Two Layers That Catch What Manual Audits Miss
Smart contractsFeb 21, 2024

Fuzzing + Formal Verification: Two Layers That Catch What Manual Audits Miss

16 min read
EIP-7702 Security: 5 Delegate Contract Bugs and the Fix for Each
Smart contractsOct 25

EIP-7702 Security: 5 Delegate Contract Bugs and the Fix for Each

18 min read
GENIUS Act Stablecoin Security: 5 Things Your Contract Must Get Right
Smart contractsOct 19

GENIUS Act Stablecoin Security: 5 Things Your Contract Must Get Right

16 min read
Indirect prompt injection: the Web3 agent attack chain
AI securityMay 15

Indirect prompt injection: the Web3 agent attack chain

26 min read
EthCC[9] in Cannes: Which Security Tracks Actually Matter for Protocol Teams
IndustryMar 11

EthCC[9] in Cannes: Which Security Tracks Actually Matter for Protocol Teams

14 min read
MiCA Forces DeFi to Choose: Comply in 6 Months or Exit the EU Market
IndustryFeb 21

MiCA Forces DeFi to Choose: Comply in 6 Months or Exit the EU Market

12 min read
HyperCore vs HyperEVM: How Hyperliquid Architecture Works
DeFi analysisJan 2026 · Updated Sep 2026

HyperCore vs HyperEVM: How Hyperliquid Architecture Works

19 min read
What Is Curve Finance? StableSwap, crvUSD, Risks, and Security
DeFi analysisOct 10, 2025

What Is Curve Finance? StableSwap, crvUSD, Risks, and Security

38 min read
Bug Bounty Win: How We Placed Top 5 in the Cyfrin CodeHawks Contest
NewsApr 30, 2024

Bug Bounty Win: How We Placed Top 5 in the Cyfrin CodeHawks Contest

13 min read
Cut Your Audit Cost by 30%: The Pre-Audit Prep Checklist for Protocol Teams
Audit opsFeb 20, 2024

Cut Your Audit Cost by 30%: The Pre-Audit Prep Checklist for Protocol Teams

11 min read
Reentrancy Attacks in Solidity — Understand Them and Prevent Them
Attack vectorsFeb 28, 2023

Reentrancy Attacks in Solidity — Understand Them and Prevent Them

11 min read
Signer compromise: why clean audits don't stop key hacks
Attack vectorsJun 22

Signer compromise: why clean audits don't stop key hacks

20 min read
Agentic DeFi security: when AI agents control treasury, trading, and liquidations
AI securityJun 1

Agentic DeFi security: when AI agents control treasury, trading, and liquidations

21 min read
DAO governance attacks: how flash loans and vote manipulation drain treasuries
Attack vectorsMar 23

DAO governance attacks: how flash loans and vote manipulation drain treasuries

21 min read
Base OP Stack Security Audit: 29 Checks EVM Equivalence Hides
Smart contractsApr 13

Base OP Stack Security Audit: 29 Checks EVM Equivalence Hides

23 min read