Hands-On Cybersecurity with Blockchain by Rajneesh Gupta

Author:Rajneesh Gupta
Language: eng
Format: epub, mobi
Tags: COM053000 - COMPUTERS / Security / General, COM043050 - COMPUTERS / Security / Networking, COM018000 - COMPUTERS / Data Processing
Publisher: Packt
Published: 2018-11-20T06:05:04+00:00

You should see that the holder has indeed been changed by querying for key 1 again. Now, the holder attribute has been changed from Miriam to Alex:

Finishing up: Remove all the Docker containers and images that we created in this tutorial with the following commands in the tuna-app folder:

$ docker rm -f $(docker ps -aq) $ docker rmi -f $(docker images -a -q)

Summary

We explored a new breed of blockchain Hyperledger project, built to focus on business challenges and overcome the distributed ledger technology. Hyperledger is the only group project led and hosted by the Linux Foundation that is on a continuous roadmap to revolutionize business with the distributed ledger-as-a-service model. This project helps the industry to avoid difficulties in deploying blockchains, just like WordPress solved the difficulty of turning up a website and Apache solved the problem of turning up a database.

In the next chapter, we will understand how blockchain technology can impact on existing and traditional security models, named Confidentiality, Integrity, and Availability (CIA) triad models.

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