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1

Web3j

Lightweight Java and Android library for integration with Ethereum

...Plugins for leading build tools to simplify the developer experience. Create projects to work with new or import existing decentralized apps in a single command with the Web3j CLI. Simple to use framework for automated integration testing against networks within your IDE. Web3j is 100% open source and maintained by Web3 Labs.

Downloads: 4 This Week

Last Update: 2026-01-21
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2

bitcoinj

A library for working with Bitcoin

bitcoinj is a library for working with the Bitcoin protocol. It can maintain a wallet, send/receive transactions without needing a local copy of Bitcoin Core and has many other advanced features. It's implemented in Java but can be used from any JVM compatible language, examples in Python and JavaScript are included. Highly optimized lightweight simplified payment verification (SPV) mode. In this mode, only a small part of the blockchain is downloaded, making bitcoin suitable for usage on...

Downloads: 5 This Week

Last Update: 2025-02-21
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