Learn how the blockchain authenticates transactions and distributes data to peers — nodes connected to the network. This course shows you how multiple versions of a blockchain are reconciled into one, discusses blockchain limitations, and delves into organizational applications of blockchain technology.
The Blockchain System
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The Blockchain System
This course is part of Blockchain Specialization
Instructor: Stefano M. Stefan
5,444 already enrolled
Included with 
Gain insight into a topic and learn the fundamentals.
4.2
(37 reviews)
Beginner level
No prior experience required
12 hours to complete
3 weeks at 4 hours a week
Flexible schedule
Learn at your own pace
Details to know
Shareable certificate
Add to your LinkedIn profile
Assessments
2 assignments
Taught in English
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This course is part of the Blockchain Specialization
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There are 4 modules in this course
During this initial week we will start by looking at how the blockchain data are shared among nodes in the peer-to-peer network over the internet and how the interconnectivity of the nodes is managed.
What's included
1 video3 readings1 assignment1 discussion prompt
We will continue to look more closely at how nodes add blocks to the data structure with the goal of maintaining a consistent transaction history. We’ll also see that multiple histories can sometimes arise due to a variety of factors ranging from benign, but unpredictable, node outages to intentional malfeasance. This requires that the system have a means of collectively determining which single history is the correct one. We’ll explore two approaches to achieve this: the longest chain criterion and the heaviest chain criterion and practice applying the principles that we have learned in this week’s assignment.
What's included
3 readings1 peer review1 discussion prompt
The blockchain is not a perfect system and indeed has its limitations. We will explore some of the constraints of the blockchain and address the issues that cause such limitations.
What's included
1 video2 readings1 assignment1 discussion prompt
We will finish the course by exploring other opportunities for using a blockchain approach to decentralize what have been heretofore centralized industries in which individual entities have controlled or consolidated information. We will develop ideas for applying a blockchain approach to industries other than cryptofinance.
What's included
1 video2 readings1 peer review1 discussion prompt
Instructor
Instructor ratings
3.2 (5 ratings)4 Courses23,026 learners
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Reviewed on Jun 28, 2020
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