Blockchain Security - Intermediate Practices
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Blockchain Security - Intermediate Practices
This course is part of Security for Blockchain and DApps Specialization
Instructor: LearnQuest Network
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There are 5 modules in this course
This course is intended for blockchain innovators, developers, security analysts, and business leaders seeking to build or enhance secure blockchain networks. With Blockchain Security Foundational Concepts, as its muse, the Blockchain Security Intermediate Practices course journeys through uncharted realms of blockchain exploration, thrilling, intricate, and alluring. Advanced security practices, cryptography, consensus models, and network security are woven together in a harmonious ballet, punctuated by real-world case studies. This course is more than an intellectual dance; it's a challenge and an awakening to the sublime world of blockchain security.
Upon completing the course, learners will understand the complexity of cryptographic techniques including has functions and public key cryptography. Learners will also be able to engage with the blockchain security mechanisms, PoW and PoS, safeguard users and nodes, and analyze case studies.
Welcome to Blockchain Security Intermediate Practices! Unveil the keys to the digital fortress that is the blockchain network. This module acquaints you with the high art of defending the blockchain's foundational layers—because even the most avant-garde systems must stand on secure ground. Topics include network encryption, node security, and the intricacies of guarding against Sybil attacks.
What's included
8 videos6 readings2 assignments1 discussion prompt1 plugin
8 videos•Total 22 minutes
- Introduction to Securing the Blockchain Network•1 minute
- Blockchain Peer-to-Peer Network•3 minutes
- Attack the Blockchain Network•2 minutes
- Denial of Service Attacks•3 minutes
- Eclipse / Routing Attacks•6 minutes
- Eclipse vs Routing Attacks•3 minutes
- Sybil Attack•3 minutes
- Summary•1 minute
6 readings•Total 36 minutes
- Course Description•1 minute
- Learning Objectives & Skills•1 minute
- Course Outline•3 minutes
- The Keys to the Blockchain Kingdom: Network Encryption and Node Security•9 minutes
- A Taxonomy of Blockchain Threats and Vulnerabilities•12 minutes
- Use Case Story as Exam Review: Securing Blockchain Networks•10 minutes
2 assignments•Total 35 minutes
- Securing Blockchain Networks Knowledge Check•5 minutes
- Module 1 Exam: Securing Blockchain Networks•30 minutes
1 discussion prompt•Total 15 minutes
- Are Blockchain Networks Really Infallible?•15 minutes
1 plugin•Total 15 minutes
- Securing Blockchain Networks•15 minutes
This module serves as an introduction to the security considerations that are unique to smart contracts in blockchain systems. It aims to equip learners with the principles of secure smart contract development, including best practices for auditing. Emphasis will be placed on balancing contract functionality with security requirements.
What's included
4 videos3 readings1 assignment1 discussion prompt
4 videos•Total 11 minutes
- Introduction to Smart Contract Security•0 minutes
- Introduction to Smart Contracts•5 minutes
- Smart Contract Security•5 minutes
- Summary•1 minute
3 readings•Total 79 minutes
- Use Case Story: Smart Contract Security•10 minutes
- Building a Digital Fortress: Secure Smart Contract Development and Auditing•9 minutes
- Assignment: Vulnerable Smart Contract Assignment•60 minutes
1 assignment•Total 10 minutes
- Lesson 1 Quiz: Smart Contract Security•10 minutes
1 discussion prompt•Total 15 minutes
- Smart Contracts: Treasure Chests or Trojan Horses?•15 minutes
This module addresses the general vulnerabilities commonly encountered in programming practices and specifically targets their implications in the realm of blockchain. Topics covered will include arithmetic vulnerabilities, dependencies on external libraries, and issues arising from Right-to-Left Control, among others.
What's included
12 videos7 readings5 assignments1 discussion prompt1 plugin
12 videos•Total 37 minutes
- General Programming Vulnerabilities•2 minutes
- Arithmetic Vulnerabilities•4 minutes
- Integer Underflow Example•4 minutes
- Case Study: PizzaHack•2 minutes
- Mitigating Arithmetic Vulnerabilities•4 minutes
- External Library Functions•3 minutes
- Case Study: Parity Wallet•5 minutes
- Mitigating External Library Vulnerabilities•3 minutes
- Right to Left Control Characters•3 minutes
- Right to Left Control Example•3 minutes
- Mitigating Right to Left Control Vulnerabilities•2 minutes
- Recap•3 minutes
7 readings•Total 68 minutes
- Blockchain Cyber Security Vulnerabilities and Potential Countermeasures•12 minutes
- Assignment: External Library Functions & Arithmetic Vulnerabilities•7 minutes
- Use Case Story: Right to Left Control•10 minutes
- Use Case Story as Exam Review: Programming Vulnerabilities•10 minutes
- Down the Rabbit Hole: Common Programming Pitfalls in Blockchain•8 minutes
- The Devil in the Details: Recapping Programming Vulnerabilities in Blockchain•9 minutes
- An Empirical Study of Blockchain Systems Vulnerabilities Modules Types and Patterns•12 minutes
5 assignments•Total 55 minutes
- Lesson 1 Quiz: General Program Vulnerabilities•5 minutes
- Lesson 2 Quiz: External Library Functions•5 minutes
- Lesson 3 Quiz: Right to Left Control•5 minutes
- Programming Vulnerabilities Knowledge Check•10 minutes
- Module 3 Exam: Programming Vulnerabilities •30 minutes
1 discussion prompt•Total 15 minutes
- The Devil’s Playground: Traps and Pitfalls in Programming•15 minutes
1 plugin•Total 15 minutes
- Programming Vulnerabilities•15 minutes
This module delves into the vulnerabilities that are specific to blockchain technologies. It discusses unique threat vectors such as access control vulnerabilities, denial-of-service attacks, frontrunning, and more. The module aims to equip learners with specialized knowledge to build secure, blockchain-specific architectures.
What's included
26 videos9 readings8 assignments2 discussion prompts
26 videos•Total 76 minutes
- Blockchain Specific Vulnerabilities •2 minutes
- Access Control Vulnerabilities •3 minutes
- Access Control Vulnerabilities continued•3 minutes
- Case Study: Poly Network•3 minutes
- Mitigating Access Control Vulnerabilities•3 minutes
- Denial of Service•7 minutes
- Case Study: Sia•1 minute
- Mitigating Denial of Service Vulnerabilties•3 minutes
- Introduction to Frontrunning•6 minutes
- Frontrunning Transactions•1 minute
- Frontrunning Example•2 minutes
- Case Study: Dodo Punk Protocol•3 minutes
- Mitigating Frontrunning Vulnerabilities•2 minutes
- Introduction to Rollback Attacks•3 minutes
- Case Study: EOSIO Rollback Attack•2 minutes
- Rollback Attack Mitigation•3 minutes
- Time Stamp Dependence•3 minutes
- Time Stamp Example•2 minutes
- Case Study: GovernMental•2 minutes
- Mitigating Timestamp Dependencies•4 minutes
- Introduction to Weak Randomness•4 minutes
- Weak Randomness - Continued•4 minutes
- Weak Randomness Example•3 minutes
- Case Study: Smart Billions Lottery•3 minutes
- Mitigating Weak Randomness Vulnerabilities•2 minutes
- Recap•2 minutes
9 readings•Total 331 minutes
- Journey to the Center of the Blockchain: Access Control Weaknesses•11 minutes
- Assignment: Unveiling Access Control Vulnerabilities•90 minutes
- Use Case Story: DoS•10 minutes
- Denial of Service and Frontrunning: Unique Threats in Blockchain Architecture•10 minutes
- Assignment: Unraveling the Enigma of Frontrunning in Blockchain•90 minutes
- Use Case Story: Rollback Attacks•10 minutes
- The Blockchain's Underbelly: Timestamp Dependence, Weak Randomness, and Other Lurking Threats•10 minutes
- Assignment: Navigating the Labyrinth of Time Stamp Dependence in Blockchain•90 minutes
- Use Case Story as Exam Review: Blockchain Specific Vulnerabilities•10 minutes
8 assignments•Total 75 minutes
- Lesson 1 Quiz: Blockchain Specific Vulnerabilities•5 minutes
- Lesson 2 Quiz: Denial of Service•5 minutes
- Lesson 3 Quiz: Frontrunning•5 minutes
- Lesson 4 Quiz: Introduction to Rollback Attacks•5 minutes
- Lesson 5 Quiz: Time Stamp Dependence•5 minutes
- Lesson 6 Quiz: Introduction to Weak Randomness•5 minutes
- Blockchain Specific Vulnerabilities: Knowledge Check •15 minutes
- Module 4 Exam: Blockchain Specific Vulnerabilities•30 minutes
2 discussion prompts•Total 25 minutes
- Timestamp Dependence•10 minutes
- A Maze of Mayhem: Navigating Blockchain-Specific Vulnerabilities•15 minutes
The focus of this module is on vulnerabilities that are particular to Ethereum, one of the most widely used blockchain platforms. Topics will include, but are not limited to, vulnerabilities arising from block gas limits, forced sending of Ether, and unchecked return values. Special attention will be given to Ethereum's specific architecture and its associated security considerations.
What's included
29 videos8 readings11 assignments2 discussion prompts1 plugin
29 videos•Total 82 minutes
- Ethereum Specific Vulnerabilities•2 minutes
- Ethereum Block Gas Limits•4 minutes
- Ethereum Block Gas Limits Denial of Service Example•3 minutes
- Case Study: GovernMental•2 minutes
- Mitigating Ethereum Block Gas Limit DoS Vulnerabilities•3 minutes
- Introduction to Unexpected Revert•3 minutes
- Unexpected Revert Example•3 minutes
- Case Study: KingEther•2 minutes
- Mitigating Unexpected Revert Vulnerabilities•1 minute
- Introduction to Forced Send Ether•4 minutes
- Forced Send Ether Example•2 minutes
- Case Study: Edgeware•3 minutes
- Mitigating Forced Send Ether Vulnerabilities•4 minutes
- Introduction to Reentrancy•2 minutes
- Reentrancy Vulnerability Example•6 minutes
- Case Study: The DAO•4 minutes
- Mitigating Reentrancy Vulnerabilities•2 minutes
- Introduction to Short Addresses•4 minutes
- Short Addresses Example•5 minutes
- Mitigating Short Addresses Vulnerabilities•2 minutes
- Introduction to Unchecked Return Values•3 minutes
- Unchecked Return Values Example•2 minutes
- Case Study: ForceDAO•3 minutes
- Mitigating Return Values Vulnerabilities•2 minutes
- Introduction to Unsafe External Calls•3 minutes
- Unsafe External Calls Example•2 minutes
- Case Study: Furucombo•3 minutes
- Mitigating Unsafe External Call Vulnerabilities•2 minutes
- Course Recap•3 minutes
8 readings•Total 240 minutes
- At the Summit: Block Gas Limits and Unexpected Revert Risks in Ethereum•8 minutes
- Assignment: Decoding the Mystery of Unexpected Revert in Ethereum•90 minutes
- Venturing into Ethereum's Dark Forest: Reentrancy, Short Addresses, and More•9 minutes
- Assignment: Reentrancy: The Recursive Demon in Smart Contracts•90 minutes
- Use Case Story as Exam Review: Ethereum Specific Vulnerabilities•10 minutes
- Systematic Review of Security Vulnerabilities in Ethereum Blockchain Smart Contract•13 minutes
- A Survey on Ethereum Systems Security Vulnerabilities Attacks and Defenses•11 minutes
- The Ethereum Security Panorama: A Recap of Key Risks and Safeguards•9 minutes
11 assignments•Total 120 minutes
- Lesson 1 Quiz: Introduction to Ethereum Mistakes and Ethereum Block Gas Limits•5 minutes
- Lesson 2 Quiz: Introduction to Unexpected Revert•5 minutes
- Lesson 3 Quiz: Introduction to Forced Send Ether•5 minutes
- Lesson 4 Quiz : Introduction to Reentrancy•5 minutes
- Lesson 5 Quiz: Introduction to Short Addresses•5 minutes
- Lesson 6 Quiz: Introduction to Unchecked Return Values•5 minutes
- Lesson 7 Quiz: Introduction to Unsafe External Calls•5 minutes
- Ethereum Specific Vulnerabilities Knowledge Check•10 minutes
- Blockchain Security Practices Knowledge Check•15 minutes
- Module 5 Exam: Ethereum Specific Vulnerabilities•30 minutes
- Course Final Exam•30 minutes
2 discussion prompts•Total 25 minutes
- Key Challenges in Ethereum Smart Contract Security•10 minutes
- Ethereum: The Double-Edged Sword of Popularity•15 minutes
1 plugin•Total 15 minutes
- Ethereum Specific Vulnerabilities•15 minutes
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