What is Blockchain (Block Chain)?

28 Nov. 2017 - - Total Reads 11,245

What is Blockchain

So what is blockchain really about ? And can you use it for your business. This article tackles the Block Chain basics – if you want to know how to use Blockchain in your business or more specifically… should you use it for your business? read our article on Blockchain for Business here.

What is Blockchain (Block Chain)?

Ok the basics first – In computer programming, there are many types of data structures. Data is basically any bit or collection of information; it could be a 0 or 1, which are the fundamentals of computer programming (everything in the end is either a 0 or 1 in computers today… yes this excludes parallel computing which is coming but still experimental and a topic for another time); it could be a character like a-z or 0-9 all the way up to the Ascii table; OR you can start building more complex data structures;

The simpler forms of these are like lists or arrays; to see how ‘complex’ these simple structures can be, take a look a Strings… again these are at the simple end. Then stepping up, 3D arrays, the list goes on and on. Programmers use pointers or addresses to setup these data structures and connect them, as they all require little references to determine where they live in the computer’s memory. Essentially this is the way we connect individual pieces of data to each other. These ‘relationships’ can get quite complex including the rules that we build up to connect them.

So blockchain works like any other data structure, except each block has some specific rules and characteristics. The main three are;

1. it is protected by cryptography – which means that it is hard to hack ;

2. each block which must include blockchain data – it’s core structure characteristics ;

3. Each block is linked to another block in a decentralised relationship

Together they solve some challenging and interesting computer networking problems mainly to do with security (like the two general’s problem), and speed to access the data – which makes blockchain accessible, robust and secure. How secure? well that is what teams of experts and hackers work on and, the market itself is testing as time goes on.

Data structures are often visualised using graphs (or relationship diagrams). Blockchain works on a decentralised relationships, which is a fancy way of saying the blocks are stored (distributed) to different locations. If you ever pirated content (naughty naughty) you would have downloaded parts of your music or video from many different users – blockchain is similar in its structure with massive replication of data.

What is blockchain in a nutshell?

Essentially a complex data structure, arranged in a particular way, proposed to solve (and is solving) many challenge computer and networking challenges.

Where and when will it be used by Businesses? Read our article on Blockchain for Business here.

 

Michael Simonetti
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