--Originally published at Computer and Information Security
Sup, reader! I feel like a little rusty talking to you since I haven’t uploaded in a while and that’s something I want to change today.
Today’s topic is about blockchain, you will be asking yourself, wt… is blockchain, well, this is nothing that how Bitcoin works, I mean, this is not a post about Bitcoins if that’s what you think you will learn here, for that I recommend you to look it up in my later blog post, where I talk about some cryptocurrency. But, for now I will explain as how I understood from a video that a person made online. I will tell you how I interpret it, but of course I will leave the video down somewhere here, for you to understand the basic concepts about how something like Bitcoins work.
First we have an ecosystem of computers connected in the whole world, through the internet, imagine like a bunch of computers connected with a lan, something, like a mesh. For example this image:
Here you can see a lot of devices connected, this is known as a descentralized and distrubuted, distributed because, each computer or device has a copy of each transaction and doesn’t depend on a third party, like how banks works, where you need a banc account which is managed by a banker and in order to reflect when you make a transaction, it needs to be aproved by this banker. So, in blockchain, what is trying to do, is to remove those third party entities, so that, each one of us can have a very transparent and out of corruption system. And, descentralized because, the transcations are reflected in each device connected to this system.
The basic component of the blockchain is a layer, which is something like you see in the
