Web3j: Java and Android library for Ethereum smart contracts, no boilerplate integration

githubprojects@opensourceprojects.dev (githubprojects) · Sep 7, 2026 · via Open Source Projects · 1 min read

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lfdt-web3j/web3j

★ 5.4K⑂ 1.8K

Lightweight Java and Android library for integration with Ethereum clients

Java#android#blockchain#ether#ethereum#java#reactivex
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If you've ever built anything on Ethereum, you know the drill: wiring up JSON-RPC calls, managing wallet keys, parsing responses, and hand-rolling contract interactions. It's tedious, error-prone, and it's the same code every single time. You just want to call a smart contract function from Java, no... GitHub Repository: https://github.com/lfdt-web3j/web3j

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