Blockchain Security

Blockchain Security


Blockchains provide a decentralized platform for data processing and storage, which has the potential to revolutionize many business processes. However, blockchain-based platforms are only useful if they are secure. Enroll in this course to learn about the potential vulnerabilities and security risks that exist at each level of the blockchain ecosystem.


  • What security benefits do blockchain’s cryptography provide?
  • How do blockchain consensus algorithms work?
  • How does blockchain’s theoretical and real-world security differ?
  • What are potentially exploitable vulnerabilities in smart contracts?
  • What are the pros and cons of different blockchain architectures?
  • How does blockchain technology affect regulatory compliance?

Courses in this Certificate Program

  • 16 Total Hours
  • OnDemand: 16 Hours
  • LIVE: 2 Hours+
  • Tuition: $249
Courses in this ProgramHours Delivery Method
Student Orientation1 HoursLive Online (optional)
Blockchain Security16 HoursOnDemand - Instructor Supported
Live Instructor AMA - Weekly1 Hour +Live Online (optional)
Additional Options (Add Ons)
LIVE Security Workshop3 HoursLIVE Online
Enroll with Workshop below, $495

Upcoming LIVE Instruction Dates

There are no upcoming events.

Blockchain Security Program Objectives

Upon successful completion of this intensive program, participants will be able to:

Understand the security of blockchain’s fundamental cryptography.

Explore the advantages and disadvantages of blockchain consensus algorithms.

Identify the security impacts of blockchain infrastructure, such as nodes and networks.

Discuss the security of smart contracts and their applications.

Define how to develop a secure blockchain-based solution for a business case.

Certificate of Completion – Blockchain Security – 16 Hours

Knowledge gained on Focus Area Certification Exam Competencies:
  • 50% towards W3CB Blockchain Security Professional Certification Exam (Level 2, v2023)


You must have an understanding of computing and a strong sense of blockchain.  Completing the Web3 Foundations Career Track is advised.  W3CB Web3 Foundations Level 1 Certification is required to sit for the W3CB Blockchain Security Professional Level 2 Certification exam.

Target Audience

The Blockchain Security course is for existing online security professionals, software developers, and technically capable managers to comprehend an enterprise blockchain application’s security implementation. Executives, project managers, and developers aligning their experience with this emerging technology need to be aware of security pros, cons, development, maintenance, and mitigation aspects.

Sample Course Content

Module 1: Intro to Blockchain Security

Module 2: Cryptography, Hash Functions and Public Key

  • Cryptography in Blockchain
  • Hash Functions
  • Public Key Cryptography
  • Case Study – LISK

Module 3: Consensus, PoW and PoS Security

  • Introduction to Consensus Introduction to Consensus
  • Proof of Work Security
  • Proof of Stake Security
  • Case Study Verge

Module 4: Advanced Blockchain and Architectural Security

  • Advanced Blockchain Security Mechanisms
  • Architectural Security
  • Advanced Cryptography Tools

Module 5: The Blockchain User & Node Security

  • Blockchain User & Node Security
  • Securing Blockchain User
  • Securing Blockchain Node
  • Case Study: Ethereum RPC

Module 6: Securing Blockchain NetStake

  • Securing Blockchain NetStake

Module 7: Introduction to Smart Contract Security

  • Introduction to Smart Contract Security

Module 8: Programming Vulnerabilities

  • General Programming Vulnerabilities
  • Arithmetic Vulnerabilities

Bundled Certificate Programs Related to The Course

Certified Blockchain Security Professional
Master Blockchain Developer

Program Info

  • Dates: Rolling Enrollment
  • Location: OnDemand & LIVE Online
  • Tuition: $249
  • Tuition Assistance
  • 16 Total Hours
Enroll Now

Additional Information

  • Module Quizzes and Knowledge Checks
  • Guest Lectures & Networking
  • Student Orientation
  • LIVE Online Instructor AMAs
  • Certification Exam Prep

Certification Competencies

Course content covers 50% of the Focus Area Certification Exam Competencies for the Web3 Certification Board (W3CB) Blockchain Security Professional Level 2 2023 Certification.

Review W3CB Exam Focus Areas

Certification Tracks



  • AI Essentials
  • Web3 Foundations
  • Blockchain Foundations
  • Blockchain & Bitcoin Intensive
  • Exam Voucher: W3CB Web3 Foundations Certification Exam 
  • Key Management
  • Blockchain Security
  • Smart Contract Security
  • Exam Voucher: W3CB Blockchain Government Advisor Certification Exam