beginner
Checks-Effects-Interactions Pattern
The fundamental pattern for writing secure smart contracts. Learn how to structure your functions to prevent reentrancy.
CEIReentrancyPattern
5 min readDec 20, 2024
Best Practices
Proven patterns and strategies for building secure smart contracts. From basic patterns to advanced deployment strategies.
Quick Security Tips
Always follow the CEI pattern
Use ReentrancyGuard for sensitive functions
Check return values from external calls
Implement access control on admin functions
Use TWAP for price oracle data
Write comprehensive tests before deploy
Difficulty:
Showing 10 of 10 guides
Essential Guides
Start with these foundational best practices
intermediate
Implementing Secure Access Control
Best practices for role-based access control using OpenZeppelin AccessControl and custom solutions.
Access ControlOpenZeppelinRBAC
8 min readDec 18, 2024
beginner
Preparing Your Protocol for Audit
Complete checklist and guide for getting your smart contracts ready for a professional security audit.
AuditDocumentationTesting
10 min readDec 15, 2024
All Best Practices
Complete collection of security guides
advanced
Safe Upgradeable Contract Patterns
How to implement upgradeable contracts safely using proxy patterns and avoiding storage collisions.
ProxyUpgradeableEIP-1967
12 min readDec 12, 2024
intermediate
Secure Oracle Integration
Best practices for integrating Chainlink and other oracles safely to prevent price manipulation attacks.
OracleChainlinkTWAP
9 min readDec 10, 2024
intermediate
Gas Optimization Without Compromising Security
How to optimize gas costs while maintaining security. Common pitfalls to avoid.
GasOptimizationSecurity
7 min readDec 8, 2024
intermediate
Comprehensive Smart Contract Testing
Unit testing, integration testing, fuzzing, and formal verification strategies for bulletproof contracts.
TestingFoundryHardhat
11 min readDec 5, 2024
beginner
Implementing Emergency Stop Mechanisms
How to build circuit breakers and pause functionality for emergency situations.
PausableEmergencyCircuit Breaker
6 min readDec 3, 2024
beginner
Safe Arithmetic in Solidity
Understanding Solidity 0.8+ overflow protection and when you still need to be careful.
SafeMathArithmeticOverflow
5 min readNov 30, 2024
intermediate
Making Safe External Calls
How to safely interact with external contracts and handle return values properly.
External CallsInterfaceReturn Values
7 min readNov 28, 2024
Security Checklist
Use our comprehensive pre-deployment checklist to ensure your contracts are audit-ready.