Smart Contracts – Smart contracts are computer software lines of codes stored on a blockchain and programmed to carry out specified tasks automatically once certain pre-defined criteria are met.

Smart Contracts

Smart Contracts are frequently deployed to expedite the process and guarantee that all stakeholders can swiftly receive certainty about the outcome. These contracts do not require any middlemen or delays.

In the 1990s, Nick Szabo, a prominent figure of his time in the field of computer science, presented the notion of Smart Contracts. He portrayed them as a group of virtual agreements that come with specific regulations to guarantee their fulfilment.

Introduction – Smart Contract

A smart contract is a computer program designed to facilitate the enforcement and execution of business conditions in form of smart contract on blockchain. This technology automates the requisite actions that are specified in the contract, reducing the need for human intervention and increasing transparency and efficiency.

Smart contracts enable the execution of reliable transactions and agreements among dissimilar and unidentified entities, without necessitating the involvement of a centralized authority, or middleman. Blockchain technology, despite being commonly associated with the fundamental structure of Bitcoin, has undergone significant progress beyond serving as a base protocol for a digital currency. Smart contracts utilize computer code to automatically execute predefined actions upon meeting certain conditions, devoid of conventional legal language, terms, or agreements.

In other words, a little computer program that can enforce and execute all on its own. No need for human intervention, which means less chance for human error or shadiness. Plus, they increase transparency and efficiency. It’s like having a robot lawyer that you can trust!

Where Does Smart Contract Live and What they Do

Smart contracts are hosted and executed on a distinct computer network known as a blockchain, such as Ethereum. This ensures that all aspects are accessible, secure, and unalterable. Smart contracts autonomously impose rules and stipulations without requiring human intervention. Smart contracts refer to software applications designed to facilitate the creation, verification, and implementation of contractual agreements.

Smart contracts (yeah, I know I keep referring to them as “Smart” even though they are not) make use of sophisticated technology. I beg your pardon. Oh dear, please don’t be startled. I am referring to utilizing blockchain technology as a means to accomplish various tasks. This cutting-edge technology enables them to carry out their tasks with a high degree of safety and efficiency. Yes, that is what blockchain is meant for, i.e., safety, privacy, immutability, and what not.

The application of blockchain as an innovative technology empowers smart contracts (software lines of codes with predefined sets of rules) to execute their duties with a great level of safety and efficiency. There is no legality or real smartness is ever involved. Please don’t raise your eyebrows, hehe.

Sky Dive Into Smart Contracts

Let’s dive into the details of smart contracts, I promise to keep serious tone and language here, sorry no jokes

  1. Blockchain Technology: Smart contracts are typically implemented on blockchain platforms
  2. Smart contracts are a unique type of automation that executes predetermined actions automatically once certain conditions are met. Once a blockchain contract is established, it operates autonomously without the need for intermediaries or centralized authorities.
  3. Smart contracts comprise the parameters and rules that establish the conditions and terms of the arrangement among the involved parties. The programming languages utilized for drafting the contract code are Solidity, Rust, C++, etc., which lay out the necessary steps to take, guidelines to adhere to, and requisites for activating those steps.
  4. The decentralized nature  of blockchain guarantees that smart contracts are put into effect across multiple nodes within the network through distributed execution. When a condition is met, the contract’s code is executed simultaneously on all nodes, and the result is recorded on the blockchain. A consensus mechanism ensures agreement on the contract’s outcome without relying on a single point of failure.
  5. Immutability and auditability: Smart contracts deployed on the blockchain are immutable and thus cannot be changed or tampered with. This is how the integrity of the contract is ensured and provides a historical record of all contract transactions and states.
  6. Smart contracts use cryptographic methods to guarantee the safety of both the transactions and the data involved. Through the implementation of digital signatures, the contract’s functionality is restricted only to approved parties. The risk of fraud or manipulation is significantly reduced by blockchain’s decentralized nature since consensus mechanisms entail the agreement of the majority of nodes on the authenticity of transactions.
  7. By now, we know smart contracts operate on blockchain and may need to interact with external data in the world beyond, which can be facilitated through oracles. Oracles serve as intermediaries connecting the blockchain with external systems by furnishing up-to-date information streams or activating events in response to external occurrences. Smart contracts are able to retrieve and handle data that is not confined to the blockchain through the utilization of oracles.

Uses Cases, Limitations and Risk Of Smart Contracts

Smart contracts offer a revolutionary (oops may be not that revolutionary though) method for automating and ensuring agreements in a manner that is decentralized, secure, and transparent. With their ability to simplify procedures, cut down expenses, and establish greater confidence.

  1. Use Cases: Smart contracts have a broad spectrum of usage in a range of distinct sectors and disciplines. Decentralized lending, crowdfunding, and token issuance are some of the financial functions that can utilize these tools.
    • Smart contracts have the power to enhance supply chain management through the automated handling of various processes, including the validation and monitoring of the source and transportation of goods. Furthermore, this technological advancement has a vast array of practical uses, including tasks such as handling digital identities, protecting intellectual property rights, implementing voting systems, and other relevant applications.
  2. Limitations and Risks: Even though they have several advantages, smart contracts are not entirely immune to potential drawbacks and limitations. The existence of flaws in the code or security gaps in a contractually obligated software can lead to unforeseen actions or breaches in safety.
    • The limited support and recognition from legal and regulatory systems in certain areas could limit the uptake and execution of smart contracts. It is crucial to have precise and exhaustive procedures in place for developing, trying out, and reviewing smart contracts to reduce the potential hazards involved.

Smart contracts presents a unique opportunity for the automation and execution of agreements via a decentralized, transparent, and secure framework.

Are Smart Contracts – Really Contracts and Really Smart – Will find out in next post


Points to Note :


Conclusion: In essence, smart contracts represent a pioneering approach to the automation and implementation of contractual obligations (in simple language, a small action is required to complete the obligation) within a framework that is characterized by transparency, security, and decentralization.

The abilities of these entities to increase operational efficiencies, enhance cost-effectiveness, and establish trust among contractual stakeholders have established them as essential contributors in various industries.

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Posted by V Sharma

A Technology Specialist boasting 22+ years of exposure to Fintech, Insuretech, and Investtech with proficiency in Data Science, Advanced Analytics, AI (Machine Learning, Neural Networks, Deep Learning), and Blockchain (Trust Assessment, Tokenization, Digital Assets). Demonstrated effectiveness in Mobile Financial Services (Cross Border Remittances, Mobile Money, Mobile Banking, Payments), IT Service Management, Software Engineering, and Mobile Telecom (Mobile Data, Billing, Prepaid Charging Services). Proven success in launching start-ups and new business units - domestically and internationally - with hands-on exposure to engineering and business strategy. "A fervent Physics enthusiast with a self-proclaimed avocation for photography" in my spare time.

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  1. […] chain payments. By leveraging its decentralized and transparent nature, businesses can create smart contracts that automatically execute payment transactions when specific conditions are […]


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