Blockchain Security (Optional)
Blockchain Security Mastery Roadmap
This detailed roadmap will take you from beginner to expert in Blockchain Security, covering cryptography, smart contract vulnerabilities, blockchain attack vectors, security auditing, penetration testing, and real-world projects.
Phase 1: Blockchain & Cryptography Fundamentals
✅ Understanding Blockchain Technology
Blockchain Architecture (Blocks, Nodes, Consensus)
Types of Blockchains (Public, Private, Consortium)
Hashing & Merkle Trees
✅ Cryptography in Blockchain
Symmetric vs. Asymmetric Cryptography
Hash Functions (SHA-256, Keccak-256)
Digital Signatures & Public Key Infrastructure (PKI)
📌 Mini Projects:
Build a Simple Blockchain in Python
Generate & Verify Digital Signatures
Phase 2: Smart Contracts & Security Risks
✅ Introduction to Smart Contracts
What are Smart Contracts? How They Work
Solidity Basics & Ethereum Virtual Machine (EVM)
Writing & Deploying Smart Contracts (Remix, Hardhat)
✅ Common Smart Contract Vulnerabilities
Reentrancy Attacks (DAO Hack)
Integer Overflows & Underflows
Front-Running Attacks
Denial of Service (DOS) via Gas Limit
Self-Destruct & Access Control Issues
📌 Mini Projects:
Write a Secure Smart Contract (ERC-20 Token)
Simulate a Reentrancy Attack & Patch It
Phase 3: Blockchain Attack Vectors & Exploitation
✅ Blockchain Network Attacks
51% Attack & Double Spending
Sybil Attack & Eclipse Attack
Routing Attacks & DNS Hijacking
✅ DeFi & Web3 Security Risks
Flash Loan Attacks
Oracle Manipulation (Price Oracle Exploits)
MEV (Maximal Extractable Value) Exploits
📌 Mini Projects:
Exploit a Vulnerable Smart Contract in a Testnet
Simulate an Oracle Manipulation Attack
Phase 4: Blockchain Security Auditing & Penetration Testing
✅ Smart Contract Security Auditing
Manual Code Review for Vulnerabilities
Using Static Analysis Tools (Slither, Mythril, Manticore)
Testing with Fuzzing (Echidna, Foundry, AFL)
✅ Blockchain Penetration Testing
Web3 Attack Surface (Infura, MetaMask, dApps)
Exploiting Weak Private Key Generation
Phishing & Social Engineering in Crypto
📌 Mini Projects:
Perform a Security Audit on an Open Source Smart Contract
Build a Custom Web3 Penetration Testing Toolkit
Phase 5: Advanced Topics in Blockchain Security
✅ Zero-Knowledge Proofs (ZKPs) & Privacy Tech
zk-SNARKs & zk-STARKs
Confidential Transactions & Ring Signatures
✅ Cross-Chain & Layer 2 Security
Bridges & Interoperability Risks
Lightning Network & Plasma Chain Attacks
📌 Mini Projects:
Analyze a Real-World Blockchain Hack (e.g., Ronin Bridge Hack)
Implement a Simple zk-SNARK Proof in Python
Phase 6: Real-World Blockchain Security & Bug Bounty Hunting
✅ Blockchain Bug Bounty Programs
Top Bug Bounty Platforms (Immunefi, HackenProof, Code4rena)
Finding & Reporting Smart Contract Vulnerabilities
✅ Blockchain Forensics & Incident Response
Tracking Stolen Funds on Chain (Chainalysis, Etherscan)
Smart Contract Exploit Mitigation Strategies
📌 Mini Projects:
Submit a Smart Contract Bug Bounty Report
Trace & Analyze a Crypto Hack Using On-Chain Data
Final Step: Real-World Practice & Skill Testing
🔥 Platforms to Test & Improve Skills:
Ethereum Security Toolbox – Smart Contract Security Best Practices
Capture the Ether – Smart Contract CTF Challenges
Immunefi – Blockchain Bug Bounty Platform
🚀 By mastering this roadmap, you’ll be able to: ✅ Secure & Audit Smart Contracts Professionally ✅ Identify & Exploit Blockchain Vulnerabilities ✅ Contribute to Web3 Security & Bug Bounty Programs
🔥 Start your Blockchain Security journey today!
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