功能强大的web3j以太坊用例，支持批量生成钱包，批量不同账户转账，查询余额等，监控，定时任务，交易mint等方法，持续更新中... ...

Signum Node

Magician-Scanning is a toolkit developed in Java for scanning blockchains, which can be used to monitor transactions according to the needs of developers, and it plans to support three chains, ETH (BSC, POLYGON, etc.), SOL and TRON

👾 A React Native app to visualize your NFTs in AR

EVM ABI Decoder allows to decode raw input data from EVM tx (on Ethereum or a compatible chain like Avalanche, BSC stc) into processable format obtained from the contract's ABI definition (JSON).

dApp scaffold for react native apps

Paper and implementation of blockchain attestations

A Java repository for natively interacting with the Solana blockchain.

💳 A payment SDK that supports Ethereum and its compatible chains.

Magician-ContractsTools is a toolkit for calling smart contracts , you can very easily call smart contracts in Java programs for query and write operations

一个很受欢迎的用java和android app类库web3j开发区块链以太坊dapp和智能合约的教程。内容涉及以太坊核心概念，如账户管理、状态与交易、合约开发与交互、过滤器和事件等，也详细说明如何用web3j开发接口与以太坊交互。

蚂蚁链开发者徽章服务示例

Blockchain data streaming in Apache Arrow format. Web3 data for data engineers, ready for large scale analysis

We have developed a basic decenterlized wallet of ethereum using web3j as a ethereum client on java Swing framework.

ETL scripts for Hedera Hashgraph

A tool to visualise all the key information about your token

Connects your JVM solutions to TON Virtual Machine smart-contracts. Develop, test & access Web 3.0 apps. Suitable for TVM family of blockchains: TON, AckiNacki, Everscale & Venom.

⚛️ 🌐 Access the Interplanetary File System (IPFS) from React Native without trusted third parties.

The Alphagram Android Project with Telegram

Lightweight React Native library for integration with Ethereum clients