Tag
#web3j
125 repositories
Repos
Full featured library for Ethereum interaction with the JSON RPC API in swift. Native ABI parsing and smart contract interactions.
sample project that illustrates how to send transaction and observe processed transaction in ethereum using web3j, blockchain and spring boot
I developed this project for helping developers to create their own ethereum wallet using Web3j library.
sample project that illustrates how to create and deploy smart contracts, smart wallets, send transactions and observe processed transactions in ethereum using web3j, blockchain, solidity and spring boot
OpenAPI compliant service generator for Solidity Smart contracts
以太坊钱包 web3swift lib、Generate Account、Import Account、ETH Transfer、ERC20 Transfer、Get ETH Balance、ERC20 Balance、Estimate Transaction Fee with Swift.
Smart contract testing framework via integrated EVM and various Ethereum clients
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。
A Blockchain based secure voting system with delegation support
Everything you need to know about how to make an Ethereum blockchain dapp on android using Solidity, Web3j, Infura, etc.
Goals: Implement an Ethereum Smart Contract called SoccerManager and deploy it to Ethereum Blockchain running locally; Implement 2 Spring Boot BE applications, ethereum-api and player-api, that uses Web3j to communicate with Ethereum blockchain; Implement 2 React FE applications, ethereum-ui and player-ui, that communicate to their respective BE.
java-defi-bot is an application that aims to do beneficial actions for the DeFi ecosystem while earning a profit for the user
We have developed a basic decenterlized wallet of ethereum using web3j as a ethereum client on java Swing framework.
Java web application backed by the Ethereum-Blockchain network. Powered by RESTful web services (JAX-RS && Spring Boot) , Docker, Kubernetes and MongoDB.
Keplereum is a decentralized satellite communication system built on Ethereum blockchain technology. It allows ground stations to track and manage their satellites each through a dedicated private Ethereum Proof-of-Authority (PoA) blockchain, ensuring secure, tamper-proof, and efficient data transmission.
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.
DAML library for integration with Ethereum (driven using DAML's Java bindings, web3j, ethereumj and Infura)
Project based on BlockChain, which automatically generates supply chains for products according to the user needs!
This project demonstrate that how a government or any super authority can utilize the Ethereum blockchain for the attestation of citizen's PII data. By empowering the user and allowing user to verify his information on any third party website using his Ethereum account through Web.3.0 wallets.
A repository for the "Building a trustful voting system on a blockchain" workshop at WeAreDevelopers 2023 and other events
A simple Java implementation of a Data (price) provider on Sonbird / Flare Network
dApp for rent deposit and settlement - keeps confidential data off-chain
Ethereum blockchain-based e-portfolio management application built using Web3j API, java and solidity languages.
Sample Counter Ethereum Smart Contract Web3j API
Library to define, configure and run Ethereum contract deployments and transactions
All code, grouped by chapter, for the Learn Truffle - Fundamentals of Ethereum Development book
A simple repository to showcase interacting with an ERC20 token contract using web3j
A repository for the "how to create a coin" workshop at Javaland 2023 and other events
Native Android development Java SDK example with Celo Mobile-first blockchain.
A blockchain based voting system in which the the owner of the contract(dapp) can add new candidates .The voters can vote for one time only.
🎓 Web DApp for secure purchases in NFT. A project for my Bachelor's Degree in Computer Science and Data Security course at University of Salerno.
This project demonstrates the seamless integration of Solidity smart contracts with Web3j, enabling efficient management of legal contracts and participants. The system is designed to support dynamic contract types, participant handling, and secure interaction with the Ethereum blockchain.
decentrifi is a lightweight, end-to-end analytics platform for smart contracts on the Ethereum blockchain and other EVM-compatible chains.
Android based wallet for Flare, XRP and Ethereum compatible blockchains. Support for ERC20 and ERC721 style tokens. Private messaging feature for sending encrypted communications over the Flare blockchain.
Application for analyzing Ethereum ERC20 token's transfer events via Java web3j library.
The location preserve anonymous payment system based on permissioned blockchain in CrowdOS
Showcase the Web3j API that is used to interact with the Ethereum network by connecting to Ethereum nodes using JSON-RPC over HTTP, WebSockets, IPC
web3j example to get the latest block on Ethereum/Quorum node deployed with Chainstack
This is a library for Android to call data from Node on Ethereum Chain or Solana Chain
Full Stack Hello World Voting Ethereum Dapp Tutorial — Part 1 by Mahesh Murthy
An Ethereum based on-demand, order management system integration use case.
Generators for developing Java apps with Hyperledger Besu
Design and implementation of a blockchain architecture, located on the edge, to provide secure support, reliability, monitoring and malicious behavior control of IoT devices.
Custom Web3-Connector for Camunda BPM - currently supporting Contract calls only.
Android application based on block-chain which provide the facility of voting.
Esempio di utilizzo della libreria Web3j per l'invio di fondi sulla rete testnet di Ethereum
To do list using etherum blockchain network truffle js and metamask chrome extension
Online Test Implementation in Ethereum Blockchain using Java