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You're reading from  Learn Blockchain Programming with JavaScript

Product typeBook
Published inNov 2018
Reading LevelIntermediate
PublisherPackt
ISBN-139781789618822
Edition1st Edition
Languages
JavaScript
Tools
Node.js
Concepts
Blockchain
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Author (1)
Eric Traub
Eric Traub
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Eric Traub

Eric Traub currently works as a software engineer in New York City. He has extensive experience working as a teacher and instructing people in a variety of different subjects. He changed his career from teaching to software engineering because of the excitement it brings to him and the passion that he has for it. He is now lucky enough to have the opportunity to combine both of these passions - software engineering and teaching!
Read more about Eric Traub

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Areas of improvement

Now, there are a few areas where the blockchain could be improved. One of those areas is in error handling. Throughout this book, we didn't do much error handling, because we were focusing on getting the actual functionalities to work correctly, but to improve this blockchain we would definitely want to do a lot of error handling. This would ensure that our blockchain can't be hacked, and also make sure that it runs correctly.

Another area where this blockchain could be improved is when we are making transactions. Right now, when we make transactions, we send a certain amount of Bitcoin from one person to another, but at no point do we validate that the sender actually has this bitcoin to send.

One exercise we would encourage you to do is to go to our createTransaction method in our blockchain data structure, and then find a way to verify that the...

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Learn Blockchain Programming with JavaScript
Published in: Nov 2018Publisher: PacktISBN-13: 9781789618822
© 2018 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Eric Traub

Eric Traub currently works as a software engineer in New York City. He has extensive experience working as a teacher and instructing people in a variety of different subjects. He changed his career from teaching to software engineering because of the excitement it brings to him and the passion that he has for it. He is now lucky enough to have the opportunity to combine both of these passions - software engineering and teaching!
Read more about Eric Traub

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