A glimpse into the World of Blockchain

Posted by: Prof. L Priya

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A glimpse into the World of Blockchain

The evolution of blockchain technology started with the creation of Bitcoin in 2009, where blockchain was used to record transactions on a public ledger. This technology allows all transactions to be transparent and immutable, preventing fraud and double-spending, without the need for a centralized authority. The digital age has brought about remarkable innovations, and the concept of digital currencies, also known as cryptocurrencies, stands at the forefront. Cryptocurrencies, backed by groundbreaking blockchain technology, are gradually changing the face of finance and investment worldwide.


Sustainability and Green Blockchain

As we move towards a greener future, blockchain can play a crucial role in promoting sustainability. The energy consumption associated with blockchain technology has been a concern, but innovative solutions are emerging. In the future, we’ll witness the rise of green blockchains that utilize renewable energy sources or adopt energy-efficient consensus mechanisms. This eco-friendly approach will make blockchain more sustainable and align it with our environmental goals.


Opportunities and the future of blockchain technology

The future of blockchain in finance is quite promising. The cost of money transfers between different intermediaries is very high. Blockchain technology can eliminate the need for such intermediaries and help in lowering the cost significantly. It can provide the finance sector with a transparent ledger system. Here are some of the industries that employ blockchain technology to improve their operations: banking, cybersecurity, academia, marketing and advertising, supply-chain management, e-commerce, voting, supply-chain networks, finance, asset management, healthcare, real estate, Internet of Things, and government record keeping.


Future of Blockchain and Its Implications

Blockchain technology is useful in verifying and tracing multistep transactions that require verification and traceability. This technology can facilitate secure transactions, reduce compliance costs, and expedite data transfer processing. Additionally, blockchain can aid in contract management and enable the audit of a product’s origin.


Major Challenges faced by blockchain technology

Blockchain has become a popular technology on the Internet, thanks to its decentralized nature that offers an alternative to traditional transaction systems. However, to ensure scalability, interoperability, and sustainability, blockchain systems need to be offloaded to an accelerating system. One possible solution is a secure public key infrastructure engine that can offload public key operations like signature generation and verification. Our blockchain hardware accelerator combines a load dispatcher with our Public Key Crypto Engine to distribute the transaction load among several components, which increases the overall transaction speed and output accuracy. The architecture supports all cryptographic algorithms, including ECC, and can handle ECDSA operations used by various blockchain platforms like Ethereum, Ripple, Bitcoin, Hyperledger, and Libra. It’s worth noting that Bitcoin’s electricity consumption is estimated to be around 127 terawatt-hours per year.


Software for blockchain

MetaMask is a software that serves as a cryptocurrency wallet, enabling users to engage with the Ethereum blockchain. It provides access to Ethereum wallets via a browser extension or mobile app, facilitating interaction with decentralized applications. Developed by ConsenSys Software Inc., a company specializing in Ethereum-based tools, MetaMask offers a user-friendly interface for Ethereum transactions. Ethereum itself is a decentralized blockchain platform supporting smart contracts, with its native cryptocurrency called Ether. Ether ranks as the second-largest cryptocurrency by market capitalization, trailing only Bitcoin. Proposed by programmer Vitalik Buterin in 2013, Ethereum is an open-source software project.


Solidity is an object-oriented programming language used for developing smart contracts on different blockchain platforms, with Ethereum being the most prominent one. It is licensed under the GNU General Public License v3.0 and was created by Gavin Wood, along with contributions from Christian Reitwiessner, Alex Beregszaszi, and other former Ethereum core contributors. Solidity programs can be executed on the Ethereum Virtual Machine (EVM) or other compatible virtual machines, providing flexibility in deployment across blockchain networks.


Benefits of Blockchain Technology

Blockchain technology is a powerful tool that enhances trust, security, transparency, and data traceability in business networks. It offers cost savings and increased efficiencies by automating processes and reducing manual work. Governments can benefit from blockchain by working smarter and fostering innovation. By securely sharing data between citizens and agencies, trust is built, and regulatory compliance is ensured. In the insurance industry, blockchain and smart contracts streamline underwriting and claims settlement, resulting in faster operations, improved efficiency, and reduced costs. Additionally, blockchain helps reduce fraud and provides end-to-end traceability for better transparency.



  1. https://www.bitsathy.ac.in/the-bright-horizons-of-blockchain-technology/
  2. https://www.bitsathy.ac.in/blockchain-for-cybersecurity/
  3. https://nielit.gov.in/aurangabad/content/world-blockchain
  4. https://www.investopedia.com/terms/b/blockchain.asp
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