Blockchain

The blocks hold sets of information, as they possess inherent storage capabilities.

Author: Ananya sahani
Ananya sahani
Ananya sahani
Reviewed By: Sara De Meyer
Sara De Meyer
Sara De Meyer
Undergraduate economics-finance student double-minoring in French and Mandarin, with experience in finance education, regulatory reporting, economic analysis, and financial modeling. Beginning at BNP Paribas in July 2024.
Last Updated:April 30, 2024

What Is a Blockchain?

A blockchain is a sophisticated system for storing information. The term itself, "blockchain," refers to its method of capturing data in blocks.

These database systems operate on a distributed network, spread across various nodes within a network of interconnected computers.

Beyond its primary function of storing and tracking information, blockchain technology finds significant application in cryptocurrency. It provides an exceptionally high level of security without reliance on third-party intermediaries.

The structure of blockchain encryption ensures the integrity of stored data. Transactions, for instance, are fortified using cryptography, rendering them highly secure and resistant to tampering. This inherent security feature contributes to the system's robust data integrity.

Key Takeaways

  • Blockchain is a distributed ledger system that securely records transactions across a network of computers. It ensures data integrity, security, and transparency without relying on intermediaries.
  • Blockchain operates on principles such as immutability, validity, encryption, programmability, anonymity, distribution, and timestamps. Transactions are recorded in blocks on a shared ledger maintained by multiple nodes.
  • Blockchain offers benefits like immutability, transparency, higher security, and availability. It reduces the need for intermediaries, lowers transaction costs, and streamlines processes in various sectors.
  • Blockchain finds applications in various sectors such as banking, finance, supply chain management, identity verification, and government record storage. It enhances efficiency, transparency, and security in these domains.

Understanding Blockchains

Blockchains classify and store information in data groups called blocks. The blocks hold sets of information, as they possess inherent storage capabilities.

When these are filled with information, they become interconnected to form chains. These chains of data make up a database. The bit of information added to these strings of data creates a compilation.

These strings of data combine into chunks. The chain has a timeline of data in chronological order, using timestamps. A typical application of its structure is the ledger for transactions.

The distributed ledger technology is the reason behind the spike in demand for blockchain developers. It allows all the participants on a chain to view all the on-chain data with their access data transactions recorded.

On the other hand, crypto uses this system to confirm transactions in the absence of regulatory institutions.

These represent a type of  Distributed Ledger Technology. This keeps the data:

  1. Programmable 
  2. Distributed 
  3. Secured 
  4. Immutable 

This raises controversies in their use of them. Structures develop immutability independently to overcome the lack of regulation, meaning they can't be modified. This makes the data irreversible.

Also, it creates visibility for anyone. They can trust the maintenance and integrity of these records. However, it can rely on online transactions with high electricity costs. 

Mechanism and Principles Of Blockchain

Blockchain technology is emerging as a game-changing decentralized information management and storage solution. Comprehending the mechanism and underlying principles of this revolutionary technology is crucial to fully appreciate the underlying notions.

We will examine the fundamental ideas of blockchain in this section, including its distributed nature, programmability, immutability, validation procedures, encryption techniques, and anonymity.

We will also examine how transactions are recorded on blockchain networks, emphasizing the functions of cryptocurrency wallets, shared ledgers, and decentralised validation.

Understanding these foundational elements will help us recognise how blockchain technology has the potential to revolutionise a number of sectors and use cases.

Principles of Blockchain

The principles behind this system can be illustrated as follows:

  1. Immutable Records: Immutable records guarantee data integrity since they cannot be changed or manipulated after they have been verified and added to the blockchain.
  2. Validity: The authenticity and correctness of the records are guaranteed by the verification and authentication of every piece of data contained in the blockchain.
  3. Individual Encryption: To improve security and privacy, each transaction and piece of data is encrypted separately.
  4. Programmability: Blockchain transactions can be automatically carried out in accordance with predetermined criteria because they are programmable. Before being recorded, transactions are validated to ensure they are accurate and follow the rules.
  5. Anonymity: Blockchain transactions provide privacy and security while preserving participant anonymity.
  6. Distribution and Timestamps: The blockchain ensures accountability and transparency by distributing information among several nodes in a network and timestamping every transaction.

Mechanism of Blockchain

The mechanism answers the question of "How does a transaction get recorded in blockchain?"

  1. The operations rest in a shared ledger system. This permits thousands of servers to maintain one ledger. This ledger acts as a single secured and immutable reference.
  2. This system performs user transactions without the need for third-party financial intermediaries. Instead, these transactions require "wallets."
  3. The blockchain wallet is a program that allows one to invest in cryptocurrencies. These maintain a certain amount of security through cryptography techniques.
    Thus, they are protected by public and private keys and give complete control over transactions.
  4. These days, the wallet options allow for creating a unique domain name. Also, the creation of data generates a block for storage. This block denotes the transaction. This is broadcasted over peer-to-peer networks that continue the validation of the transactions.

Benefits Of Blockchain

The technology has many benefits, including:

  1. Immutability: In conventional databases, the system administrator maintains and controls the data. This system is different. Once entered, it remains unaltered. 
  2. Transparency: Centralized systems often lack transparency. In this case, it's designed and controlled by all participants. Hence, it's transparent and visible. 
  3. Higher Levels of Availability and Security: The system's decentralized nature allows availability and a high level of security. It will enable access to other peers on the network. Additionally, the design of cryptographic algorithms makes them difficult to break and manipulate.

The Algorithmic Structures: 

  1. Consensus Algorithms: Blockchain relies on consensus algorithms to ensure the security and validity of transactions. These algorithms facilitate agreement among network participants, establishing trust and reliability in the system. Consensus protocols ensure that all users verify and agree on the information stored in the distributed ledger.
  2. Reliability and Trust: Consensus algorithms promote reliability and trust among peers across distributed computer networks. Each block added to the blockchain represents a single version of truth agreed upon by all participants, fostering trust and eliminating the need for intermediaries.

Attributes and Features Of Blockchain

Blockchain technology is a mainstay in many applications, especially in the cryptocurrency space and beyond, because of its many qualities and advantages. Its essential attributes are listed below: 

  1. Safe, Transparent, and Cost-Effective Transactions: Blockchain is perfect for financial transactions, contracts, and goods inventory management since it allows for safe, transparent transactions with little to no transaction fees.
  2. Virtual Nature: Blockchain assets only exist digitally and have no inherent value or physical presence.
  3. Predetermined Quantity: To provide predictability and transparency, programmers or users decide how much cryptocurrency will be available overall.

The Decentralization Feature

Decentralization allows the storage and protection of data across networks. This ensures if data entered on one node is affected, the others are notified.

This ensures security for data in the network and provides transparency.

In this case, the connection is distributed over the nodes that have the relevant blocks. The other nodes provide access and control if damage occurs on one node. 

The Transparency Feature 

The distributed network allows permission and access via all the system nodes. This access is by explorers and via individual nodes. 

These nodes carry the information and are updated with the addition of information. The data has been encrypted. This maintains anonymity and bolsters security, as decryption requires keys. 

Security Consideration

The sequential arrangement of blocks in a blockchain makes it very challenging to change stored data. Data security and integrity are guaranteed by the inclusion of timestamps and cryptographic hash algorithms.

Unauthorised access is not feasible due to blockchain network hacking's computational difficulty and cost.

Usage and Applications

The below-mentioned applications help us understand how blockchain is driving innovation and efficiency while also addressing challenges such as fraud and inefficiencies in traditional systems.

  1. Banking and Finance: It is being used more and more to streamline processing times and reduce costs for safe, transparent financial transactions.
  2. Regulatory Compliance and Audit: It makes record-keeping transparent and unchangeable, which helps with regulatory compliance and audit procedures.
  3. Transfer Payments and Supply Chains: It streamlines supply chains and transfer payments, increasing supply chain transparency, lowering fraud, and boosting productivity.

Comparative and Evaluative Examination Of Blockchain

The applications, evolution, and traits can be used to explain key differences between blockchain and other systems. 

Feature Blockchain Conventional Database
Method of Storing Information Stores data in "blocks" Stores data in table-like structures
Structure Chain-like linear format with interconnected blocks Tabular structure with independent data sets
Purpose Emphasizes storing data without further modifications Allows for edits and updates to stored information
Evolution and Application Originated as a research project in the 1990s, it evolved into Bitcoin in the 2000s Primarily used for various forms of cryptocurrencies, decentralized finance, non-fungible tokens, and smart contracts.
Recording Data Points Records various data points for transactions, voting records, inventory tracking, identification of states, deeds, healthcare and property records Used for tracking data relevant to specific transactions, business operations, or information management
Application in Banking and Finance Widely used for functional payments and transactions worldwide Utilized for traditional banking operations, with fundamental differences in operational hours, transactional costs, speed, and regulatory compliance

Blockchain Case Studies

There has been much hype about blockchain's use and applications. However, it offers a method of storing information in a secure, transparent, and accessible manner.

1. Government Record Storage

South Korea, Estonia, and Dubai have implemented blockchain technology to store official documents like marriage licenses, corporate registrations, and medical data.

These governments improve security and transparency while guaranteeing the availability and integrity of important records by implementing blockchain technology.

2. Systems for Digital Authentication and Verification

Blockchain is being used in many different sectors' digital verification and authentication systems. These solutions include digital signature and authentication, frictionless transactions, local energy production distribution, and charitable transparency.

Note

Digital transactions are reliable and trustworthy because blockchain technology is transparent and unchangeable.

3. Identity Verification and Tracking for Intellectual Property Rights

Kodak is investigating blockchain-based methods to confirm and monitor who owns the rights to certain types of intellectual property, such as music and photos. Kodak wants to improve licencing, protection, and management of intellectual property by utilising blockchain technology.

4. Supply Chain Monitoring

Blockchain technology is being used by diamond manufacturer DeBeers and retail behemoth Walmart to track their supply lines. They can track every stage of the distribution process thanks to blockchain, which guarantees the items' legitimacy, traceability, and transparency.

This enhances the effectiveness of the supply chain and helps to avoid counterfeit goods.

What are the Global Perspectives on Adopting Blockchain?

The industry perspectives on the adoption of it can be examined based on 2020 research data. It finds fundamental differences of opinion and few stark similarities.

This section is based on Deloitte's 2020 Global Blockchain Survey, hyperlinked above. It offers an innovative integrated solution with countless business uses.

The research included about a thousand and five hundred senior executives. Overall, they showed an acceptance and a fading lack of faith in adopting it. 

Research Insight

The fundamental insights from the research are that:

  1. Life post-COVID demands a digital revolution in various aspects of the economy. It can contribute to this revolution. This includes various aspects of education, digitization, and ecosystem management.  
  2. The decentralized peer-to-peer network offered by blockchain technology presents a communal solution to fundamental network governance issues, enhancing transparency, security, and efficiency.
  3. The implementation of blockchain technology rests on addressing uncertainties observed in pilot cases and improving the design of test surveys to assess its efficiency in real-world applications.
  4. The adoption of blockchain technology has the ability to bring efficiency and transparency, which can resolve the contradictions found in global supply chains and production.

Real-Life Insights on Applications

It has found a place in numerous aspects of the global economy. To name a few, these include commerce and finance, non-fungible token experiences, infrastructure and scaling, supply chains, and government and identification.

Ground X will join the Korean central bank's digital currency project. The site is a blockchain affiliate of Korea's technology giant, Kakao Corporation. They have developed "Klayten", which is a public system. Klayton is a partner of and compatible with ConsenSys.

For the pilot program, it will begin operations with the Central Bank of Korea's (CBDC) architecture. It focuses on developing digital currency.

The Bank of Thailand is developing a retail digital currency project. The Bank of Thailand's venture is in the potential of the technology in developing a proof-of-concept prototype. This is for a Central Bank Digital Currency project and the "SCG and Digital Ventures" project.

Hong Kong is exploring new ways of conducting cross-border transactions. The project "Inthanon-Lion Rock" was launched in May 2019 following a memorandum of understanding between the Hong Kong Monetary Authority and the Bank of Thailand.

This project focuses on applying a central bank digital currency for cross-border payments. The design and delivery focus on a decentralized system of cost networks.

Palm NFT Studio creates a New NFT Ecosystem

"Palm" is a new non-fungible token ecosystem connected to Ethereum. Palm NFT studio is also conducting research and innovation in NFT creation and exchange. 

It features low gas costs, fast transaction finality, and is 99% more energy efficient than the currently used proof of work system.

The Palm NFT Studio is working keenly on the development and commitment of resources toward NFT projects and platforms. These include experiments across various partners in the crypto market: 

  • Uniswap
  • $MEME
  • Nifty
  • Protocol Labs
  • MetaMask
  • Infura

Covantis is Modernizing Agricultural Operations with the Use of Blockchain

Covantis uses blockchain technology to modernize farming practices and expedite supply chain procedures. By utilizing blockchain technology, Covantis hopes to improve agricultural trade operations' worldwide openness, efficiency, and dependability.

Covantis uses a variety of blockchain tools, such as Quorum, Code, and Diligence, to build a strong international network for carrying out agricultural trade operations in bulk.

With these blockchain solutions, Covantis is able to:

  1. Boost Openness: This transparency builds trust among stakeholders and reduces the risk of fraud or manipulation.
  2. Boost Productivity: Blockchain enables seamless and real-time tracking of products, reducing delays and errors in the supply chain.
  3. Facilitate International Trade: The interconnected network streamlines communication and collaboration, enabling efficient trade operations on a global scale.

Conclusion

Blockchain technology represents a fundamental transformation in the way we store, handle, and share data. Its decentralized architecture, which is based on immutability and transparency, ushers in a new era of efficiency and confidence across all sectors of the economy.

It provides a revolutionary answer to persistent problems by revolutionizing identity verification, supply chain management, financial transactions, and more.

It emerges not only as a technological revolution but also as a catalyst for transforming the very fabric of our digital economy as its worldwide acceptance accelerates and real-world applications multiply.

It has the capacity to redefine possibilities and open up new avenues for cooperation, advancement, and innovation as we continue to study its possibilities and perfect its application.

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