In this course you learn how to secure blockchain applications.

Learning Objectives

Coming soon...

Topics and Subtopics

Here is the list of topics and subtopics that are covered in this course:

1. Overview of Blockchain, Ethereum and Hyperledger

  • Blockchain Fundamentals
  • Core Components
  • Blocks
  • Chains
  • Network (public vs. private, permissioned vs. permissionless)
  • Demo
  • Working of Blockchain
  • Shared Ledger
  • Cryptography
  • Public/Private Key 
  • Hash Function
  • Wallet
  • Consensus
  • PoW
  • PoS
  • BFT
  • PoET
  • Smart Contracts

  • Ethereum Fundamentals
  • Understanding Ethereum Blockchain
  • Understanding Transaction Gas and Miners
  • How Ethereum Transactions works 
  • Lab on Ethereum Blockchain and Smart Contracts

  • Hyperledger Fabric Fundamentals
  • Understanding Hyperledger Fabric Blockchain
  • Understanding Asset and Ledger
  • How Hyperledger Fabric Transactions works 
  • Lab on Hyperledger fabric Blockchain and Smart Contracts

2. Advanced Cryptographic Techniques and Methods

  • Multi-signatures
  • Zero-knowledge Proofs
  • Stealth Addresses
  • Ring Signatures
  • Confidential Signatures

3. Network-related Vulnerabilities, Attacks and defense

  • Network attacks
  • 51% attack
  • DDoS
  • Eclipse attacks
  • Replay attacks
  • Routing attacks
  • Sybil attacks
  • Node attacks
  • Cryptojacking
  • Miner exploits

4. User-related Vulnerabilities, attacks and defense

  • Wallet considerations
  • Hot vs. cold (hardware wallet)
  • Best practices
  • User Attacks
  • Air Drops and Hard Fork Scams
  • Fake Wallets
  • Fake Sites
  • Wallet Exploits

5. System/Process-related Vulnerabilities, attacks and Defenses

  • Verge Attacks
  • Pigeoncoin Hack
  • SPV Mining Exploit

6. Smart Contract-related Vulnerabilities, attacks and defenses

  • Primer on Solidity and smart contracts – Ethereum
  • Regulatory Drivers
  • Legality
  • Characteristics and Programming
  • Smart Contract Audit Considerations
  • Tools
  • Top attack techniques
  • Access control
  • Default visibility
  • Reentrancy
  • Integer overflow and underflow
  • Unchecked return
  • Timestamp manipulation
  • Bad randomness
  • Front running
  • Denial of services
  • Short address
  • Coding analysis
  • Control flow analysis
  • Error handling
  • State management
  • Dynamic code analysis
  • Manual code analysis
  • Automated code analysis
  • Best practices for smart contracts

7. Security of Alternative DLT Architectures

  • CIntroduction to DAG-Based DLTs
  • Advantages of DAG-Based DLTs
  • Limitations of DAG-Based DLTs

8. Blockchain platforms and security

  • Introduction to Ethereum Security
  • Introduction to Hyperledger Security
  • Introduction to Corda Security


Good knowledge of blockchain technology and cybersecurity concepts

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Complete Training Bundle

If you are serious about becoming a pro blockchain specialist, you should enroll in our Complete Blockchain Development Training. This bundle covers all essential and practical topics related to blockchain design and development. For $290 monthly subscription, you can have access to 300+ hours of hands-on project-based training covering all courses related to blockchain technology like Hyperledger, Ethereum, Solidity, Blockchain Security, Corda R3 and more. Click here to learn more.

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