What is Ethereum Smart Contract?

In the industry of Blockchain, Ethereum smart contract is a usual confusion. Blockchain has made a new technology possible, smart contracts are tough to understand as its description is confusing. Outlines of a standard contract, the conditions of the relationship are a smart contract implements a relation with cryptographic codes. But differently, Ethereum smart contract executes exactly as it is set up by the creator.

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First considered in the year 1993, it was the idea originally explained by Nick Szabo who is the computer scientist. In his popular example, users of Ethereum can send 20 Ether to his friends on any particular date with the smart contract. Here, a user will create a contract and send data to the contract so it can execute the desired command. Thus, Ethereum is kind of a platform that is designed specially to create smart contracts.

However, these tools are not planned to be used in separation. It is to be believed that it can form the block of the building for ‘Decentralized Applications”

Ethereum Smart Contract. How does a smart contract work?

It’s a worth noticing that Bitcoin is the first which support smart contracts in the meaning that network will transfer value between two persons. The network will validate transaction only if the certain terms are met. However, Bitcoins are limited to a currency use case. Ethereum replaces Bitcoin’s more restraining language and replaces with a language that permits developers to write own programs.

Ethereum lets developers plan their smart contracts or in another language ‘Autonomous agents’ like the white paper calls them. A language is ‘Turing-Complete’ that means it can support a wider set of computational commands.

Learn more: Ethereum Wallet

Following are the points to understand what can Ethereum smart contract do?

  • It functions ‘Multi-Signature’ account, so that amount can be spends only when the required proportion of people agree.
  • It can manage agreements between two users; it is like buying the insurance from another party.
  • As software library work, it can provide the utility to different contracts.
  • It can store information for an application, like membership records or registration information.

When a person places a simple bet in the hot summer, it may trigger numbers of contracts under the hood. One contract will be used outside of the data while another contract would settle a bet on the basis of the information which they receive from the first contract.

Each running contract needs ether fees for the transaction, which depends on the value of computational power required.

As we have explained in the guide, What Is Ethereum Virtual Machine? the role of Ethereum is to run a code for a Ethereum smart contract when the user sends a message with the sufficient of transaction fees. Then an Ethereum virtual machine executes a smart contract in the form of ‘Bytecode’ which is in zeros and ones that can only be read by a network.

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