- Introduction
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Introduction to blockchains
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Blockchains and bitcoins
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Blockchains are more than bitcoins
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Blockchains - a quick guide
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How does it work?
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I love you
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Three main characteristics
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Check your knowledge
- Technology - security and trust
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Why security?
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Two types of blockchain
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Cryptography
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The validity of transaction
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Consensus algorithms
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Check your knowledge
- Blockchains in real life
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How is the blockchain technology used in real life?
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DNV GL - intro to the story
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DNV GL - MyStory™
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Trust in transactions
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OBOS - buying and selling properties
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Cermaq - the CV of a salmon
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Danish-based Mærsk and IBM
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Mærsk - shipping and international trade
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Check your knowledge
- Challenges and considerations
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Which challenges should you address when considering blockchain in your company?
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Challenges
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Energy consumption
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Transaction speed
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Data quality
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GDPR
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Blockchains vs. centralized databases
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Check your knowledge
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Feedback
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End of course
Blockchain
This course introduces very basic level of blockchains and explains how they function and the value they create.
Welcome to the course on blockchains
Blockchains are changing a variety of industries. This technology enables the secure, efficient, and transparent transfer of values and data over the internet. Blockchains were designed to serve the digital currency Bitcoin, but the technology is now widely used for different purposes in new industries and business areas.
This course introduces blockchains and explains how they function and the value they create.
We will cover
- introduction to blockchain
- security and trust
- blockchains in real life
- challenges and consideration
Who should take this course?
This course was created for anybody interested to learn more about the basic concepts of blockchains.
This course is independent, but also part of the learning path Introduction to enabling technologies. We recommend that you take all 5 courses from the Introduction to enabling technologies series and take the final test to receive a certificate of completion.
Instructor
This course was developed by Cognite Academy and Digital Norway, Telenor, Statnett, DNV, and SINTEF. Instructors from Cognite Academy are available to assist with all queries.
Estimated duration
30 min
Knowledge prerequisites
None
Technical prerequisites
None