December 2018
Beginner to intermediate
564 pages
17h 34m
English
Content preview from Blockchain Developer's Guide
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Using blockchain does not make an application decentralized
The more a single entity or small group maintains power over the application, the more centralized it is. The less any one group is able to control the fate of the application and its functioning, the more decentralized it is. Just as decentralized applications do not require a blockchain, running on a blockchain does not make an application decentralized. This means that many applications running on blockchains today may still not be true decentralized applications. This is true, even if the application is entirely open source.
To illustrate, let's consider a small sample application called SpecialClub, written in Solidity. It is very simple, merely keeping a list of members (stored ...
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