Consensus Algorithm Security Course
1 hour, 28 minutes
Course description
Consensus algorithms are essential to a distributed, decentralized ledger, where a network of nodes must agree on an official version of the ledger without a central authority. This course describes the underlying principles of consensus algorithms, how two of the primary consensus algorithms work under the hood and how they can be attacked.![](/contentassets/d65de3a5bb034993b7cf1ea5e1eab9f3/prerequisites-graphic.png)
Syllabus
Course Recap
Video - 00:02:00
This video reviews the information covered in this course and introduces the next one.
Attacking Proof of Stake
Video - 00:30:00
This video discusses attacks against Proof of Stake consensus algorithms.
Proof of Stake
Video - 00:12:00
This video introduces the Proof of Stake consensus algorithm and describes how it works.
Attacking Proof of Work
Video - 00:17:00
This video discusses attacks against Proof of Work consensus algorithms.
Proof of Work
Video - 00:10:00
This video introduces the Proof of Work consensus algorithm and describes how it works.
Introduction to Blockchain Consensus Algorithms
Video - 00:14:00
This video introduces some of the fundamental principles behind blockchain consensus algorithms and describes some common ones.
Course Introduction
Video - 00:02:00
This video introduces this course, providing an overview of topics to be covered.
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