Now, let's look at the networking features of the blockchain.
The following diagram is a typical example of the centralized network topology, in which there is a central node that acts as a hub for sharing information with the other nodes:
You can check out the image in the following link, https://commons.m.wikimedia.org/wiki/File:NetworkCentral.svg. The advantages of the centralized network can be summarized by the fact that there is only one central authority (server) that acts as an arbitrator. This manages the requests coming from the remaining nodes of the network (clients).
However, the fundamental limit of centralized networks is the fact that the central node represents a single point of failure for the entire network (which can, therefore, be the target of Denial of Service attacks, for example). If the central node is compromised, all...