Smart Contract Security Resources

Auditor Roadmap

A structured path from Solidity basics to public contests, audit reports, portfolio building, and paid smart contract security work.

AI Auditing Guide

How to use AI for code review without outsourcing judgment, including hallucination risks, prompt workflows, and validation habits.

Hack Dataset

Browse DeFi and Web3 incidents by chain, technique, amount lost, proof-of-concept references, and related attack class.

Audit Cost Estimator

Calculate smart contract audit costs based on code complexity, lines of code, and project requirements.

Web3 Hacks Dashboard

Explore the complete database of DeFi hacks, Web3 attacks, and crypto exploits. Filter by chain, attack type, and amount lost.

Most Expensive Hacks Leaderboard

See the biggest crypto hacks ranked by amount lost. Explore top incidents, attack patterns, and chain-level impact.

Function Selector Calculator

Compute Solidity function selectors, event topic hashes, and error selectors from signatures using keccak256.

AI Skills Explorer

Discover, compare, and copy AI skill files for smart contract auditing. 60+ skills from top security teams - with safety labels and one-click copy for Claude, Cursor & MCP.

Smart Contract CTF Library

Find Web3 security CTFs, Solidity wargames, DeFi exploit labs, writeups, and a practical solving path.

Auditor Readiness Quiz

Free 18-question quiz that assesses your readiness to become a smart contract auditor. Get scored by skill domain and receive a personalized roadmap.

Smart Contract Auditor Roadmap

Answer a few practical questions and get a personalized EVM, Cairo, or combined smart contract security learning path.

Smart Contract Auditor Jobs

Live smart contract auditor and Web3 security jobs from protocol teams, security firms, and crypto job boards. Filter by language, ecosystem, focus, and remote work.

Smart Contract Audit Checklist

Build a protocol-specific audit checklist and report outline for EVM, DeFi, governance, bridge, token, or Cairo reviews.

Access Control Attacks

Access control vulnerabilities let unauthorized accounts execute privileged operations. OWASP ranks broken access control first in its 20...

Arithmetic Overflows Underflows

Integer overflow and underflow attacks have drained over $1 billion from Decentralized Finance (DeFi) protocols and web3 projects. In Apr...

Delegatecall & Call Injection Attacks

The Parity Wallet hack didn't just freeze $150 million - it proved that a single vulnerability can permanently destroy an entire protocol...

Flash Loans Attacks

A flash loan attack uses uncollateralized, same-transaction borrowing to amplify a separate protocol weakness. The loan is not usually th...

Oracle Manipulation & Price Manipulation

On October 26, 2020, an attacker used price manipulation to extract $34 million from Harvest Finance in about seven minutes. The incident...

Reentrancy

Reentrancy is the classic smart contract vulnerability for a reason: it teaches one of the most important audit lessons in Web3 security....

Smart Contract Attack Library

A browsable index of vulnerability classes for auditors who want attack mechanics, fixes, related incidents, and study paths.

Smart Contract Security Glossary

Short definitions, examples, and audit checks for Solidity, EVM, DeFi, testing, and signature-security terms.

Most Expensive Crypto Hacks

A ranked incident leaderboard for studying large-loss exploits, recurring failure modes, and historical DeFi risk patterns.

Smart Contract Auditing Course

The complete training path for exploit writing, audit methodology, EVM reasoning, report writing, and AI-assisted review.

Cairo Security Training

A separate Cairo and Starknet security path for auditors who want to understand non-EVM smart contract attack surfaces.