What is Blockchain Technology?

Have you ever imagined a world where there is not necessary to validate any sale or purchase with no receipts, no bank documents and no need of registering or disposal of property with the concerned government department?

We know that buying or selling of any property is put in a record. Before taking a commercial decision we always want that all the information should be available at one place. This is possible only when a technology of code writing in financial system circles all over the world.

While doing any transaction the main problem is about trust. Can one trust another party? This made a need for legally binding stamps and seals and to maintain records.

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Several centuries ago, when populations and commerce were both a tiny fraction of what they are now, some communities maintained a ledger of all financial transactions, which was open to public scrutiny and anything mentioned in the ledger acquired the status of truth.

Gradually do you know what happened, these records become voluminous and to keep them or to maintain them was very difficult. And so it became the function of government departments and banks and was no longer freely available to the public.

Let us study through this article about pros and cons of Blockchain technology.

What is Blockchain Technology?

A Microsoft Excel Sheet file in your computer or laptop with the details of some of your transactions is known as a ledger.

If your Excel file is copied to hundreds of your friend’s computers and connected to each other forming a network is known as distributed ledger. And if there will be a technology to update this Excel sheet whenever you or your friends update a ledger.

Therefore, blockchain is nothing but a digital ledger. That is a book containing accounts to which debits and credits are posted from books of original entry.

A blockchain is an anonymous online ledger that uses a data structure to simplify the way we transact. Without the help of third party blockchain allows users to manipulate the ledger in a secure way.

It protects the identities of the users. This way blockchain is a more secure way to carry out transactions. Each list of records in a blockchain is called a block. That is why it is known as blockchain because the various growing list of records i.e. blocks are linked and secured.
Bitcoin ledger and on the other hand the blockchain was to allow users to control their own money so that no third party, not even the government, would be able to access or monitor it.
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Why Blockchain technology is required?

The blockchain technology is a method that brings everyone to the highest degree of accountability. With the help of this technology no more transactions will be missed, human or machine errors will be minimised etc. Even nowadays major banks are experimenting this technology as they can use it for money transfers, record keeping and other backend functions. As an un-alterable ledger in real time it enables them to track documentation and authenticate ownership of assets digitally. Also, Indian IT service providers like Infosys and TCS companies are using this technology to create core banking platforms for banks

Advantages of Blockchain Technology
It will allow smart devices to speak to each other better and faster.
Challenges of Blockchain Technology

• To verify all the transactions huge power i.e. electricity is required.

• There should be security about the private key. Every time private key must remain secret because revealing it to third parties is equivalent to giving them control over the bitcoins secured by that key. Also, it is necessary to have a back up of the private key so that it can be protected from accidental loss. We know that if it is lost ones cannot be recovered and the funds secured by it are lost forever.

• We know blocks in a chain must be verified by the distributed network and it can take time. So, transaction speed can be an issue.

Is Blockchain technology safe to use?

Hope from the above discussion, it is clear that no doubt blockchain architecture can significantly bring down the costs and reduce inefficiencies in the financial sector. As, it allows two parties to execute a transaction without any intermediary. Without any human intervention blockchain allows financial institutions to execute and verify transactions discretely. And transactions are continuously maintained and verified in ‘blocks’ of records.

With the advancement of technology and the development of society the main goal of the government is to provide a method for a secure way of transactions. Whether methods are advanced or new technologies are emerging but the goal is same. As, blockchain allows consumers and suppliers to connect directly, removing the need for a third party.

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