You (Person A) want to electronically send a monetary amount to Person B. You access your wallet via an electronic key. You initiate the transaction. This transaction is broadcast to a particular network. The entities on this network will verify that you have enough value in your wallet in order to transfer the desired amount to Person B. Once verified, they will confirm the transaction. The money can then be moved from your wallet to Person B. This monetary transfer will be recorded in a long chain of other transactions, making it permanent and immutable.

How is the above e-transaction unique from other non-cash transactions?

  • There is no bank/third-party authority sitting between Person A and Person B who is handling the transaction.
  • A permanent, unchangeable record of this transaction is created.
  • The transaction is made over an underlying technology called blockchain, in which other entities on the same network confirmed the transaction and created a record of the transaction.
  • The value transferred is in the form of digital currency/crypto-currency.

Blockchain. Bitcoin. Cryptocurrencywhat does all this mean?

These ‘buzz-words’ have seeped into our daily conversation; however, they are widely misunderstood and often confused to be similar concepts. Let us understand them and know more about their uses and application –

  • What is Blockchain?

Simply put, blockchain is a form of ‘distributed ledger’ – a record (i.e. ledger) which is distributed (i.e. it is decentralized and is not regulated by a single entity). On a distributed ledger, any transaction or data entered is confirmed by other entities on that network, and is, thus, recorded.

Blockchain is unique in the fact that the data exchanged over it is stored in blocks which are linked to each other. This linked chain is continuously growing as it does not delete old data – it simply adds another block containing new, verified data. These blocks are connected with cryptography. Data over a blockchain cannot be tampered with or changed.

To sum up, blockchain is an underlying technology with many applications (such as digital currency transaction illustrated above), much like the internet with its many uses and applications (such as email, social networking, etc.).

  • Why Blockchain?

In the illustration shown above, Person A could transfer value to Person B over blockchain without needing a bank or any other intermediary; instead, the role of the intermediary (verifying and recording the transaction) was ‘distributed’ amongst other entities on that network, making the transaction transparent and efficient.

Since there is no intermediary/authority – transparency and efficiency created due to the underlying blockchain technology has made blockchain attractive and malleable to almost any scenario where multiple participants who may not know/trust each other are required to share data in order to perform a certain function.

  • Then, what is Bitcoin?

Bitcoin, a cryptocurrency, is just one of the many applications of the blockchain technology. Why, then, is the term Bitcoin commonly used alongside the term blockchain and is, more often than not, conceptually confused?

The answer to this allows us to briefly delve into the history of blockchain.

Cryptocurrency was officially introduced in 2008 by an anonymous entity/entities calling himself/herself/themselves Satoshi Nakamoto in a paper titled ‘Bitcoin: A Peer-to-Peer Electronic Cash System’ which spoke about electronic (non-physical) cash transactions without resorting to a financial institution. The paper explained an underlying technology for making cryptocurrency transactions, which is now known as blockchain.

With Bitcoin being the first use-case of blockchain technology and the reason blockchain technology was discovered – the two terms are frequently used together, and therefore, are often confused.

  • To what else can blockchain technology be applied?

The chart below shows some useful applications of blockchain, with real-life examples of companies that have implemented them.

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Indian view towards blockchain and cryptocurrency – conservative yet evolving

After several public notices warning users about the risks of cryptocurrency/virtual currency (such as hacking, malware attacks, volatility in the value of cryptocurrencies etc.), the Reserve Bank of India (RBI), by a notification dated April 6, 2018, prohibited all regulated entities under it from dealing in virtual currencies or dealing with entities that deal in virtual currencies.

Simultaneously, the RBI is also investing in research and exploring the potential of blockchain technology as a part of the Indian financial framework. In January 2017, RBI’s research arm – the Institute for Development and Research in Banking Technology (IDRBT) – published a white paper titled ‘Applications of Blockchain Technology to Banking and Financial Sector in India’. Later that year in September, IDRBT announced that they were working on a model blockchain platform on which various applications can be built. Similarly, NITI Aayog, the Indian government’s think tank, is also working on a national strategy for blockchain applications which can be implemented in India.

Blockchain & Cryptocurrency – An interesting segment to follow in the coming years

To conclude, blockchain technology has a variety of applications, many of which are being explored by Indian authorities as well as governments of several countries such as South Korea and Dubai. India’s dubious outlook towards virtual currencies is shared by many; however, there are several countries and organisations that are embracing it.

Though cryptocurrency and blockchain technology have been around for many years, their innovative applications and ever-growing uses are still being explored, tested, exploited and implemented throughout the world.

This article has been contributed by Anvitaa Pattani. To read our earlier article on the legal aspects of Blockchain Technology, click here.  

To enroll for a free certification course on Blockchain Technology and become an industry expert, click here.

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