A lightweight Java and Android library that replaces manual JSON-RPC calls for Ethereum integration. It provides full type-safe smart contract wrappers and tools for managing Ethereum wallets and transactions.
Tech Stack
JavaWeb3 & Blockchain
Why web3j?
• Strongly typed contract interactions
• Excellent Android compatibility
• Comprehensive command-line tools
Limitations
• Java verbosity compared to JS
• Larger binary size for mobile
• Slower update cycle than JS libs
1/30/2026
Last Update
1,771
Forks
136
Issues
Other
License
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