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Web3 Libraries
web3.js

web3.js

Free

Web3 Libraries

web3.js is a TypeScript/JavaScript library that lets DApps interact with the Ethereum blockchain.

Ethereum

About web3.js

web3.js is a TypeScript/JavaScript library that enables DApps to interact with the Ethereum blockchain.

Its modular design lets developers work with smart contracts as if they were TypeScript/JavaScript objects, subscribe to on-chain events, and fetch block state directly from Ethereum nodes.

Version 4 was rewritten in TypeScript and introduced features such as Plugins, enhancing extensibility and type safety.

The library has over 500,000 weekly downloads and is used by projects such as Truffle.

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