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IoT and Edge Computing for Architects

You're reading from   IoT and Edge Computing for Architects Implementing edge and IoT systems from sensors to clouds with communication systems, analytics, and security

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Product type Paperback
Published in Mar 2020
Publisher Packt
ISBN-13 9781839214806
Length 632 pages
Edition 2nd Edition
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Author (1):
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Perry Lea Perry Lea
Author Profile Icon Perry Lea
Perry Lea
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Table of Contents (17) Chapters Close

Preface 1. IoT and Edge Computing Definition and Use Cases 2. IoT Architecture and Core IoT Modules FREE CHAPTER 3. Sensors, Endpoints, and Power Systems 4. Communications and Information Theory 5. Non-IP Based WPAN 6. IP-Based WPAN and WLAN 7. Long-Range Communication Systems and Protocols (WAN) 8. Edge Computing 9. Edge Routing and Networking 10. Edge to Cloud Protocols 11. Cloud and Fog Topologies 12. Data Analytics and Machine Learning in the Cloud and Edge 13. IoT and Edge Security 14. Consortiums and Communities 15. Other Books You May Enjoy
16. Index

Blockchains and cryptocurrencies in IoT

Blockchains exist to solve a trust model (not necessarily a security issue). Blockchains are public, digital, and decentralized ledgers or cryptocurrency transactions. The original cryptocurrency blockchain was Bitcoin, but there are over 2000 new currencies on the market, such as Ethereum, Ripple, and Dash. The power of a blockchain is that there is no single entity controlling the state of transactions. It also forces redundancy in the system by ensuring everyone using a blockchain also maintains a copy of the ledger.

Assuming there is no inherent trust in blockchain participants, the system must live in consensus.

A good question to ask is if we have solved identity management and security with asymmetric cryptography and key exchanges, why are blockchains needed to exchange data or currency? This is not enough for the exchange of money or data of value. One thing to note is that since the inception of...

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