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A Definitive Guide to Blockchain Technology

What do we understand by blockchain?

To understand Blockchain lets take an example of Wikipedia, it is a pool of information which is not handled by any single identity, but can be amended by multiple entities. Likewise, Blockchain is a technology that offers access to community of users to make changes, create entries and control the information record. The unique quality of a blockchain technology which has brought about all the difference is the use of client server network model which functions on distributed network. User is the client with permissions associated with its account and is able to make necessary alterations and changes to the Wikipedia entries and store the same on a centralized sever for ease of accessibility.
The distributed database created by blockchain technology functions on a fundamentally different backbone which is digitally handled well. Every node in blockchain points toward similar conclusion, with every record getting updated independently. The transactions are well broadcasted to all the nodes, and each node creates its own version of event update.

Blockchain technology has a myth around it, that it is an absolutely new technology, whereas, it is a combination of proven technologies which are applied in new and different ways.

It was these three technologies (the Internet, private key cryptography and a protocol governing incentivization) that made Satoshi Nakamoto, the Bitcoin creator’s idea useful.

How blockchain works?

Blockchain is a powerful combination of three major technologies, namely, Internet, Private Key Cryptography, and Protocol governing the functioning.

The following is an explanation of how these technologies work together to secure digital relationships.

Cryptographic keys

Consider two people, who wish to transact over the internet.

Each of them has access to a private key and a public key.

The major purpose of the component is to establish a secure reference of digital identity.

The key combination is a dexterous form of consent which creates an extremely important digital signature.


A Strong control of ownership is not enough to handle a digital relationship which is safe and secure. The authentication is solved and must be combined with means of transaction approval and granting permission.

Distributed Network

Let us try and understand this particular case with the help of an example. Consider, a tree falls in the forest, with cameras placed to cleverly record it’s descend. Since, we have photographic evidence that suggests the fall, we are sure of the event.

On same lines consider Bitcoin blockchain, it is a large network in which validators reach to a conclusion only after they witness the event.


Once the network has been established. The block which contains digital signature, timestamp, and all the relevant information gets broadcasted to all the nodes that there exist in the network. The broadcasting takes place only pertaining to a particular protocol.

People who wish to make a career in this advanced and future technology, look for a blockchain classroom training program providing them the right tools and techniques to help attain proficiency in the field.

What can a Blockchain do?

Financial Institution finances the disruption of countless industries over the course of last 30 years. They have a clear idea and sense of what change this revolutionary technology can bring about in the economic world. Hence, banks, R&D labs, building test centers, and partnerships have all emerged and started to imbibe the prowess of blockchain in their daily tasks.

A feature that governs the working of blockchain is that the database has its own history. Hence, it is often immutable. Blockchain is the technology of future that is here to change the world of finances and other industries with streamlined and well functioned system.

Why you must use Blockchain Technology?

If you are intrigued by speed then its high performance and milliseconds of transactions is what is required by you, then it’s best for you to stick around with a more centralized system which was traditionally used. Blockchain as a database is slow and there incurs a cost to storing the important information known as the data. The processing (or ‘mining’) of every block in a chain comes with a cost. The centralized data system which is based on the client-server model is faster, swifter, and less expensive.

In a nut shell, while we are still unaware of all the various limits and possibilities of blockchain, we can definitely at the least try and say the use cases which have passed inspection have all been in totality about managing and securing the established digital relationships which are a part of the system of record. Blockchain training online is offered by various institutes to ensure more professionals build their careers in this technology of the future. 

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