What Are Smart Contracts on Blockchain and How They Work

What Are Smart Contracts on Blockchain and How They Work

Blockchain technology has been a game-changer in the world of finance and beyond. One of its key innovations is the ability to create smart contract management, which have the potential to automate many types of business transactions. In this article, we will explore what smart contracts blockchains are, how they work, and their potential applications.

What are Smart Contracts on Blockchain?

Smart contracts are simply computer programs that run on a blockchain when predetermined conditions are met. It is a self-executing blockchain in contract management with the terms of the agreement between buyer and seller being directly written into lines of code. The code and the agreements contained therein exist on a decentralized ledger, which means that it is not controlled by any one entity or organization. Blockchain contract management can be used to automate the execution of complex contracts without the need for intermediaries, thereby reducing the cost and time required for contract execution.

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How do Smart Contracts Work?

Smart contracts operate using the same blockchain technology that powers cryptocurrencies such as Bitcoin and Ethereum. However, while cryptocurrencies use blockchain technology to record financial transactions, smart contracts use it to execute contractual terms.

When a smart contract is created, the terms of the blockchain contract management are written into code and then deployed to the blockchain. Once the blockchain contract is deployed, it is available to anyone who wants to use it. The terms of the contract are encoded in the contract’s code, which specifies the conditions that must be met in order for the contract to execute.

The code is executed automatically when the contract’s conditions are met. For the smart contract blockchain example, if the blockchain contract lifecycle management specifies that a payment must be made when a certain event occurs, such as the delivery of goods, the payment will be automatically triggered and sent to the designated recipient when the event occurs. Blockchain contract lifecycle management solutions are software that is equipped with all the tools and techniques to handle contract lifecycle.

Once a smart contract is executed, it cannot be changed. This is because the code is stored on the blockchain, which is immutable. This means that once a contract is deployed, it cannot be altered or tampered with.

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Benefits of Smart Contracts on Blockchain

  1. Speed and Efficiency
  2. Transparency and Trust
  3. Security
  4. Accuracy
  5. Trust

1. Speed and Efficiency

Smart contracts and blockchain automate many of the steps involved in traditional contract execution, thereby reducing the time and cost associated with contract execution. Smart contracts remove the need for intermediaries to handle transactions and by extension, their associated time delays and fees.

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2. Transparency and Trust

Smart contracts are executed on a decentralized ledger, which means that all parties to the contract can view the terms of the contract and the status of its execution.

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3. Security

Smart contracts are stored on a decentralized ledger, which makes them tamper-proof and resistant to hacking and fraud.

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4. Accuracy

Smart contract benefits through automatic execution, which eliminates the risk of human error and ensures that contractual terms are executed exactly as specified.

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5. Trust

Smart contracts eliminate the need for intermediaries, such as lawyers and brokers, which reduces the risk of disputes and builds trust between parties.

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Applications of Smart Contracts Across Different Industries

Smart contracts have many potential applications across a wide range of industries. Here are some examples:

1. Supply Chain Management: Smart contracts can be used to automate supply chain management, thereby reducing the time and cost associated with supply chain transactions.

For example, a smart contract could be used to automatically trigger a payment to a supplier when goods are received.

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2. Real Estate: Smart contracts can be used to automate many of the steps involved in real estate transactions, such as property transfers and escrow payments. This can reduce the time and cost associated with real estate transactions.

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3. Insurance: Smart contracts can be used to automate insurance claims, thereby reducing the time and cost associated with claims processing. For example, a smart contract could be used to automatically trigger a payment to a policyholder when a specified event occurs, such as a natural disaster.

4. Voting: Smart contracts can be used to automate the voting process, thereby reducing the risk of fraud and ensuring that votes are counted accurately. For example, a smart contract could be used to automatically tally votes and ensure that only eligible voters are able to cast their vote.


The users can also convert their current agreements and contracts into smart contracts on blockchain and manage them on blockchain. Legitt allows users to convert their web2/pdf contracts into smart contracts and manage them on blockchain. Not only the verification of validity and legitimacy take a few seconds, but also the smart contracts allow to create integrations with other applications in the ecosystem and keep the contracts live and updated. Thus, converting dumb contracts into intelligent and smart’er contracts.

Did you find this Legitt article worthwhile? More engaging blogs about smart contracts on the blockchain, contract management software and electronic signatures can be found in the Legitt Blogs section. You may also contact Legitt to hire the best contract lifecycle management services and solutions.

FAQs on Smart Contracts On Blockchain

What is the purpose of a smart contract?

The purpose of a smart contract is to automate the execution of a contract without the need for intermediaries, such as lawyers or banks, by programming the contract's rules and conditions into code and storing it on a blockchain.

What programming language is smart contract in blockchain?

Smart contracts in blockchain are typically programmed using specialized programming languages such as Solidity for Ethereum, which is a high-level language designed to write smart contracts for the Ethereum blockchain, or other languages like Vyper, Chaincode, or Michelson for other blockchain platforms.

What is smart contract types?

There are two types of smart contracts: deterministic and non-deterministic. Deterministic smart contracts execute the same way every time, while non-deterministic smart contracts can have different outcomes based on external factors or randomnesses, such as in gambling or prediction markets.

Is smart contract a software?

Yes, smart contracts are a type of software that are written in code and stored on a blockchain. They are self-executing and enforceable digital contracts that automate the execution of contracts without the need for intermediaries.

Can smart contracts be modified once they are deployed?

Once a smart contract is deployed on a blockchain, its code is immutable and cannot be modified. However, in certain cases, smart contracts may have upgradeable features or mechanisms that allow for the deployment of a new contract to replace the old one.

Are smart contracts legally binding?

Smart contracts are not inherently legally binding, but they can be designed to be legally binding. The enforceability of a smart contract depends on whether it meets the legal requirements of a contract and the applicable laws in the jurisdiction where the contract is executed.

How secure are smart contracts on blockchain?

Smart contracts on blockchain are considered to be highly secure due to the inherent features of blockchain technology, such as decentralization and immutability. However, vulnerabilities in the code, as well as external attacks, can still pose risks to the security of smart contracts.

Which industries may use the smart contracts?

Smart contracts have potential applications in various industries such as finance, real estate, supply chain management, insurance, and healthcare. Any industry that requires the execution of contracts and the verification of transactions can benefit from the use of smart contracts on blockchain.