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Blockchain Security

Audit smart contracts. Find Reentrancy, Overflow, and Flash Loan vulnerabilities in Solidity code to secure Web3 applications.

In Web3, code is money and bugs are irreversible. This course trains you to become a Smart Contract Auditor. You will dive deep into the Ethereum Virtual Machine (EVM) architecture and Solidity security. Learn to identify and exploit common vulnerabilities like Reentrancy, Integer Overflows, and weak randomness. We cover using tools like Slither and Mythril for static analysis, and writing fuzz tests to catch edge cases before deployment. A highly lucrative niche for detailed-oriented engineers.

✅ 100% Free & Lifetime Access
⏱️ 5-Minute Lessons (Bite-sized learning)
🚀 21-Lesson Path (Independent modules)
📱 Mobile Friendly (Learn anywhere)
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Complete Course Syllabus

  • 1
    EVM Fundamentals
    Storage slots, gas costs, and opcode execution.
  • 2
    Common Vulnerabilities
    Reentrancy, Tx.origin, and unchecked call returns.
  • 3
    DeFi Attacks
    Flash loans, oracle manipulation, and front-running.
  • 4
    Automated Analysis
    Using Slither and Mythril to scan codebases.
  • 5
    Manual Auditing
    Line-by-line logic review and report writing.

Estimated completion time: 21 lessons • Self-paced learning • Lifetime access

Career Outlook

Estimated Salary
$150k - $250k

Career Paths

Smart Contract Auditor $150k-$300k
Blockchain Security Eng $140k-$220k
Whitehat Hacker Bounty Based

What You Will Learn

Audit Solidity smart contracts for critical security flaws
Identify and exploit Reentrancy and Front-running attacks
Use static analysis tools like Slither to find bugs automatically
Secure DeFi protocols against Flash Loan manipulation
Write comprehensive audit reports for Web3 clients

Skills You Will Gain

Solidity Auditing EVM Architecture Smart Contract Security DeFi Protocols Exploit Development

Who Is This For

Smart Contract Devs
Security Researchers
DeFi Builders

Prerequisites

Blockchain Development
Solidity

Blockchain Security FAQs

Lucrative?

Yes, top auditors are among the highest paid in tech.

Prerequisites?

Must know Solidity and Ethereum basics well.

Tools?

We use open-source analysis tools and manual review.

Is crypto dead?

Security is needed regardless of market prices.

Need more info?
All Reork courses are 100% free, self-paced, and fully accessible on mobile devices. No prior experience is required. Read our full Platform FAQ.

Tech Stack & Tools

Slither
Mythril
Remix IDE
Hardhat
Etherscan

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